diff --git a/browser/app/Makefile.in b/browser/app/Makefile.in

--- a/browser/app/Makefile.in

+++ b/browser/app/Makefile.in

@@ -44,16 +44,17 @@ srcdir		= @srcdir@

 VPATH		= @srcdir@

 include $(DEPTH)/config/autoconf.mk

 DIRS		= profile/extensions

 PREF_JS_EXPORTS = $(srcdir)/profile/firefox.js \

 		  $(srcdir)/profile/channel-prefs.js \

+		  $(srcdir)/profile/kde.js \

 		  $(NULL)

 # hardcode en-US for the moment

 AB_CD = en-US

 DEFINES += -DAB_CD=$(AB_CD)

diff --git a/browser/base/content/browser-kde.xul b/browser/base/content/browser-kde.xul

new file mode 100644

--- /dev/null

+++ b/browser/base/content/browser-kde.xul

+#filter substitution

+<?xml version="1.0"?>

+# -*- Mode: HTML -*-

+#

+# ***** BEGIN LICENSE BLOCK *****

+# Version: MPL 1.1/GPL 2.0/LGPL 2.1

+#

+# The contents of this file are subject to the Mozilla Public License Version

+# 1.1 (the "License"); you may not use this file except in compliance with

+# the License. You may obtain a copy of the License at

+# http://www.mozilla.org/MPL/

+#

+# Software distributed under the License is distributed on an "AS IS" basis,

+# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License

+# for the specific language governing rights and limitations under the

+# License.

+#

+# The Original Code is Mozilla Communicator client code, released

+# March 31, 1998.

+#

+# The Initial Developer of the Original Code is

+# Netscape Communications Corporation.

+# Portions created by the Initial Developer are Copyright (C) 1998-2000

+# the Initial Developer. All Rights Reserved.

+#

+# Contributor(s):

+#   Blake Ross <blake@cs.stanford.edu>

+#   David Hyatt <hyatt@mozilla.org>

+#   Joe Hewitt <hewitt@netscape.com>

+#   Pierre Chanial <chanial@noos.fr>

+#   Dean Tessman <dean_tessman@hotmail.com>

+#   Johnathan Nightingale <johnath@mozilla.com>

+#   Dão Gottwald <dao@mozilla.com>

+#   Ehsan Akhgari <ehsan.akhgari@gmail.com>

+#   Robert Strong <robert.bugzilla@gmail.com>

+#   Rob Campbell <rcampbell@mozilla.com>

+#   Patrick Walton <pcwalton@mozilla.com>

+#   David Dahl <ddahl@mozilla.com>

+#

+# Alternatively, the contents of this file may be used under the terms of

+# either the GNU General Public License Version 2 or later (the "GPL"), or

+# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),

+# in which case the provisions of the GPL or the LGPL are applicable instead

+# of those above. If you wish to allow use of your version of this file only

+# under the terms of either the GPL or the LGPL, and not to allow others to

+# use your version of this file under the terms of the MPL, indicate your

+# decision by deleting the provisions above and replace them with the notice

+# and other provisions required by the GPL or the LGPL. If you do not delete

+# the provisions above, a recipient may use your version of this file under

+# the terms of any one of the MPL, the GPL or the LGPL.

+#

+# ***** END LICENSE BLOCK *****

+

+<?xml-stylesheet href="chrome://browser/content/browser.css" type="text/css"?>

+<?xml-stylesheet href="chrome://browser/content/places/places.css" type="text/css"?>

+<?xml-stylesheet href="chrome://browser/skin/" type="text/css"?>

+

+<?xul-overlay href="chrome://global/content/editMenuOverlay.xul"?>

+<?xul-overlay href="chrome://browser/content/baseMenuOverlay.xul"?>

+<?xul-overlay href="chrome://browser/content/places/placesOverlay.xul"?>

+

+# All DTD information is stored in a separate file so that it can be shared by

+# hiddenWindow.xul.

+#include browser-doctype.inc

+

+<window id="main-window"

+        xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"

+        xmlns:svg="http://www.w3.org/2000/svg"

+        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"

+        onload="BrowserStartup()" onunload="BrowserShutdown()" onclose="return WindowIsClosing();"

+        title="&mainWindow.title;@PRE_RELEASE_SUFFIX@"

+        title_normal="&mainWindow.title;@PRE_RELEASE_SUFFIX@"

+#ifdef XP_MACOSX

+        title_privatebrowsing="&mainWindow.title;@PRE_RELEASE_SUFFIX@&mainWindow.titlemodifiermenuseparator;&mainWindow.titlePrivateBrowsingSuffix;"

+        titledefault="&mainWindow.title;@PRE_RELEASE_SUFFIX@"

+        titlemodifier=""

+        titlemodifier_normal=""

+        titlemodifier_privatebrowsing="&mainWindow.titlePrivateBrowsingSuffix;"

+#else

+        title_privatebrowsing="&mainWindow.titlemodifier;@PRE_RELEASE_SUFFIX@ &mainWindow.titlePrivateBrowsingSuffix;"

+        titlemodifier="&mainWindow.titlemodifier;@PRE_RELEASE_SUFFIX@"

+        titlemodifier_normal="&mainWindow.titlemodifier;@PRE_RELEASE_SUFFIX@"

+        titlemodifier_privatebrowsing="&mainWindow.titlemodifier;@PRE_RELEASE_SUFFIX@ &mainWindow.titlePrivateBrowsingSuffix;"

+#endif

+        titlemenuseparator="&mainWindow.titlemodifiermenuseparator;"

+        lightweightthemes="true"

+        lightweightthemesfooter="browser-bottombox"

+        windowtype="navigator:browser"

+        screenX="4" screenY="4"

+        browsingmode="normal"

+        persist="screenX screenY width height sizemode"> 

+

+# All JS files which are not content (only) dependent that browser.xul

+# wishes to include *must* go into the global-scripts.inc file

+# so that they can be shared by macBrowserOverlay.xul.

+#include global-scripts.inc

+<script type="application/javascript" src="chrome://browser/content/nsContextMenu.js"/>

+

+#ifdef MOZ_SAFE_BROWSING

+<script type="application/javascript" src="chrome://browser/content/safebrowsing/sb-loader.js"/>

+#endif

+<script type="application/javascript" src="chrome://global/content/contentAreaUtils.js"/>

+

+<script type="application/javascript" src="chrome://browser/content/places/editBookmarkOverlay.js"/>

+

+# All sets except for popupsets (commands, keys, stringbundles and broadcasters) *must* go into the

+# browser-sets.inc file for sharing with hiddenWindow.xul.

+#include browser-sets.inc

+

+  <popupset id="mainPopupSet">

+    <menupopup id="tabContextMenu"

+               onpopupshowing="if (event.target == this) TabContextMenu.updateContextMenu(this);"

+               onpopuphidden="if (event.target == this) TabContextMenu.contextTab = null;">

+      <menuitem id="context_reloadTab" label="&reloadTab.label;" accesskey="&reloadTab.accesskey;"

+                oncommand="gBrowser.reloadTab(TabContextMenu.contextTab);"/>

+      <menuitem id="context_reloadAllTabs" label="&reloadAllTabs.label;" accesskey="&reloadAllTabs.accesskey;"

+                tbattr="tabbrowser-multiple"

+                oncommand="gBrowser.reloadAllTabs();"/>

+      <menuseparator/>

+      <menuitem id="context_pinTab" label="&pinAppTab.label;"

+                accesskey="&pinAppTab.accesskey;"

+                oncommand="gBrowser.pinTab(TabContextMenu.contextTab);"/>

+      <menuitem id="context_unpinTab" label="&unpinAppTab.label;" hidden="true"

+                accesskey="&unpinAppTab.accesskey;"

+                oncommand="gBrowser.unpinTab(TabContextMenu.contextTab);"/>

+      <menu id="context_tabViewMenu" label="&moveToGroup.label;"

+            accesskey="&moveToGroup.accesskey;">

+        <menupopup id="context_tabViewMenuPopup"

+                   onpopupshowing="if (event.target == this) TabView.updateContextMenu(TabContextMenu.contextTab, this);">

+          <menuseparator id="context_tabViewNamedGroups" hidden="true"/>

+          <menuitem label="&moveToNewGroup.label;"

+                    oncommand="TabView.moveTabTo(TabContextMenu.contextTab, null);"/>

+        </menupopup>

+      </menu>

+      <menuitem id="context_openTabInWindow" label="&moveToNewWindow.label;"

+                accesskey="&moveToNewWindow.accesskey;"

+                tbattr="tabbrowser-multiple"

+                oncommand="gBrowser.replaceTabWithWindow(TabContextMenu.contextTab);"/>

+      <menuseparator/>

+      <menuitem id="context_bookmarkAllTabs"

+                label="&bookmarkAllTabs.label;"

+                accesskey="&bookmarkAllTabs.accesskey;"

+                command="Browser:BookmarkAllTabs"/>

+      <menuseparator/>

+      <menuitem id="context_closeOtherTabs" label="&closeOtherTabs.label;" accesskey="&closeOtherTabs.accesskey;"

+                oncommand="gBrowser.removeAllTabsBut(TabContextMenu.contextTab);"/>

+      <menuitem id="context_undoCloseTab"

+                label="&undoCloseTab.label;"

+                accesskey="&undoCloseTab.accesskey;"

+                observes="History:UndoCloseTab"/>

+      <menuitem id="context_closeTab" label="&closeTab.label;" accesskey="&closeTab.accesskey;"

+                oncommand="gBrowser.removeTab(TabContextMenu.contextTab, { animate: true });"/>

+    </menupopup>

+

+    <menupopup id="backForwardMenu"

+               onpopupshowing="return FillHistoryMenu(event.target);"

+               onclick="checkForMiddleClick(this, event);"/>

+    <tooltip id="aHTMLTooltip" onpopupshowing="return FillInHTMLTooltip(document.tooltipNode);"/>

+

+    <!-- for search and content formfill/pw manager -->

+    <panel type="autocomplete" id="PopupAutoComplete" noautofocus="true" hidden="true"/>

+

+    <!-- for url bar autocomplete -->

+    <panel type="autocomplete-richlistbox" id="PopupAutoCompleteRichResult" noautofocus="true" hidden="true"/>

+

+    <!-- for invalid form error message -->

+

+    <panel id="editBookmarkPanel"

+           orient="vertical"

+           ignorekeys="true"

+           hidden="true"

+           onpopupshown="StarUI.panelShown(event);"

+           aria-labelledby="editBookmarkPanelTitle">

+      <row id="editBookmarkPanelHeader" align="center" hidden="true">

+        <vbox align="center">

+          <image id="editBookmarkPanelStarIcon"/>

+        </vbox>

+        <vbox>

+          <label id="editBookmarkPanelTitle"/>

+          <description id="editBookmarkPanelDescription"/>

+          <hbox>

+            <button id="editBookmarkPanelRemoveButton"

+                    class="editBookmarkPanelHeaderButton"

+                    oncommand="StarUI.removeBookmarkButtonCommand();"

+                    accesskey="&editBookmark.removeBookmark.accessKey;"/>

+          </hbox>

+        </vbox>

+      </row>

+      <vbox id="editBookmarkPanelContent" flex="1" hidden="true"/>

+      <hbox id="editBookmarkPanelBottomButtons" pack="end">

+#ifdef XP_UNIX

+        <button id="editBookmarkPanelDoneButton"

+                class="editBookmarkPanelBottomButton"

+                label="&editBookmark.done.label;"

+                default="true"

+                oncommand="StarUI.panel.hidePopup();"/>

+        <button id="editBookmarkPanelDeleteButton"

+                class="editBookmarkPanelBottomButton"

+                label="&editBookmark.cancel.label;"

+                oncommand="StarUI.cancelButtonOnCommand();"/>

+#else

+        <button id="editBookmarkPanelDeleteButton"

+                class="editBookmarkPanelBottomButton"

+                label="&editBookmark.cancel.label;"

+                oncommand="StarUI.cancelButtonOnCommand();"/>

+        <button id="editBookmarkPanelDoneButton"

+                class="editBookmarkPanelBottomButton"

+                label="&editBookmark.done.label;"

+                default="true"

+                oncommand="StarUI.panel.hidePopup();"/>

+#endif

+      </hbox>

+    </panel>

+

+    <panel id="highlighter-panel"

+           hidden="true"

+           ignorekeys="true"

+           noautofocus="true"

+           noautohide="true"

+           onclick="InspectorUI.stopInspecting();"

+           onmousemove="InspectorUI.highlighter.handleMouseMove(event);"

+           onMozMousePixelScroll="InspectorUI.highlighter.handlePixelScroll(event);"/>

+

+    <panel id="inspector-tree-panel"

+           orient="vertical"

+           hidden="true"

+           ignorekeys="true"

+           noautofocus="true"

+           noautohide="true"

+           titlebar="normal"

+           close="true"

+           onpopuphiding="InspectorUI.closeInspectorUI(true);"

+           label="&inspectPanelTitle.label;">

+      <toolbar id="inspector-toolbar"

+               nowindowdrag="true">

+        <toolbarbutton id="inspector-inspect-toolbutton"

+                       label="&inspectButton.label;"

+                       accesskey="&inspectButton.accesskey;"

+                       class="toolbarbutton-text"

+                       command="Inspector:Inspect"/>

+        <toolbarbutton id="inspector-previous-toolbutton"

+                       label="&inspectPreviousButton.label;"

+                       accesskey="&inspectPreviousButton.accesskey;"

+                       class="toolbarbutton-text"

+                       command="Inspector:Previous"/>

+        <toolbarbutton id="inspector-next-toolbutton"

+                       label="&inspectNextButton.label;"

+                       accesskey="&inspectNextButton.accesskey;"

+                       class="toolbarbutton-text"

+                       command="Inspector:Next"/>

+        <toolbarbutton id="inspector-style-toolbutton"

+                       label="&inspectStyleButton.label;"

+                       accesskey="&inspectStyleButton.accesskey;"

+                       class="toolbarbutton-text"

+                       oncommand="InspectorUI.toggleStylePanel();"/>

+        <toolbarbutton id="inspector-dom-toolbutton"

+                       label="&inspectObjectButton.label;"

+                       accesskey="&inspectObjectButton.accesskey;"

+                       class="toolbarbutton-text"

+                       oncommand="InspectorUI.toggleDOMPanel();"/>

+      </toolbar>

+      <hbox id="tree-panel-resizer-box" align="end">

+        <spacer flex="1" />

+        <resizer dir="bottomend" />

+      </hbox>

+    </panel>

+

+    <panel id="inspector-style-panel"

+           hidden="true"

+           orient="vertical"

+           ignorekeys="true"

+           noautofocus="true"

+           noautohide="true"

+           titlebar="normal"

+           label="&inspectStylePanelTitle.label;">

+        <listbox id="inspector-style-listbox" flex="1"/>

+        <hbox align="end">

+          <spacer flex="1" />

+          <resizer dir="bottomend"/>

+        </hbox>

+    </panel>

+

+    <menupopup id="toolbar-context-menu"

+               onpopupshowing="onViewToolbarsPopupShowing(event);">

+      <menuseparator/>

+      <menuitem command="cmd_ToggleTabsOnTop"

+                type="checkbox"

+                label="&viewTabsOnTop.label;"

+                accesskey="&viewTabsOnTop.accesskey;"/>

+      <menuseparator/>

+      <menuitem command="cmd_CustomizeToolbars"

+                label="&viewCustomizeToolbar.label;"

+                accesskey="&viewCustomizeToolbar.accesskey;"/>

+    </menupopup>

+

+    <menupopup id="blockedPopupOptions" 

+               onpopupshowing="gPopupBlockerObserver.fillPopupList(event);">

+      <menuitem observes="blockedPopupAllowSite"/>

+      <menuitem observes="blockedPopupEditSettings"/>

+      <menuitem observes="blockedPopupDontShowMessage"/>

+      <menuseparator observes="blockedPopupsSeparator"/>

+    </menupopup>

+

+    <menupopup id="autohide-context"

+           onpopupshowing="FullScreen.getAutohide(this.firstChild);">

+      <menuitem type="checkbox" label="&fullScreenAutohide.label;"

+                accesskey="&fullScreenAutohide.accesskey;"

+                oncommand="FullScreen.setAutohide();"/>

+      <menuseparator/>

+      <menuitem label="&fullScreenExit.label;"

+                accesskey="&fullScreenExit.accesskey;"

+                oncommand="BrowserFullScreen();"/>

+    </menupopup>

+

+    <menupopup id="contentAreaContextMenu"

+               onpopupshowing="if (event.target != this)

+                                 return true;

+                               gContextMenu = new nsContextMenu(this, gBrowser);

+                               if (gContextMenu.shouldDisplay)

+                                 updateEditUIVisibility();

+                               return gContextMenu.shouldDisplay;"

+               onpopuphiding="if (event.target == this) { gContextMenu = null; updateEditUIVisibility(); }">

+#include browser-context.inc

+    </menupopup>

+

+    <menupopup id="placesContext"/>

+

+

+    <!-- Popup for site identity information -->

+    <panel id="identity-popup" position="after_start" hidden="true" noautofocus="true"

+           onpopupshown="document.getElementById('identity-popup-more-info-button').focus();"

+           level="top">

+      <hbox id="identity-popup-container" align="top">

+        <image id="identity-popup-icon"/>

+        <vbox id="identity-popup-content-box">

+          <label id="identity-popup-connectedToLabel"

+                 class="identity-popup-label"

+                 value="&identity.connectedTo;"/>

+          <label id="identity-popup-connectedToLabel2"

+                 class="identity-popup-label"

+                 value="&identity.unverifiedsite2;"/>

+          <description id="identity-popup-content-host"

+                       class="identity-popup-description"/>

+          <label id="identity-popup-runByLabel"

+                 class="identity-popup-label"

+                 value="&identity.runBy;"/>

+          <description id="identity-popup-content-owner"

+                       class="identity-popup-description"/>

+          <description id="identity-popup-content-supplemental"

+                       class="identity-popup-description"/>

+          <description id="identity-popup-content-verifier"

+                       class="identity-popup-description"/>

+          <hbox id="identity-popup-encryption" flex="1">

+            <vbox>

+              <image id="identity-popup-encryption-icon"/>

+            </vbox>

+            <description id="identity-popup-encryption-label" flex="1"

+                         class="identity-popup-description"/>

+          </hbox>

+          <!-- Footer button to open security page info -->

+          <hbox pack="end">

+            <button id="identity-popup-more-info-button"

+                    label="&identity.moreInfoLinkText;"

+                    onblur="gIdentityHandler.hideIdentityPopup();"

+                    oncommand="gIdentityHandler.handleMoreInfoClick(event);"/>

+          </hbox>

+        </vbox>

+      </hbox>

+    </panel>

+

+    <tooltip id="urlTooltip">

+      <label crop="center" flex="1" class="tooltip-label"/>

+    </tooltip>

+

+    <panel id="ctrlTab-panel" class="KUI-panel" hidden="true" norestorefocus="true" level="top">

+      <hbox>

+        <button class="ctrlTab-preview" flex="1"/>

+        <button class="ctrlTab-preview" flex="1"/>

+        <button class="ctrlTab-preview" flex="1"/>

+        <button class="ctrlTab-preview" flex="1"/>

+        <button class="ctrlTab-preview" flex="1"/>

+        <button class="ctrlTab-preview" flex="1"/>

+      </hbox>

+      <hbox pack="center">

+        <button id="ctrlTab-showAll" class="ctrlTab-preview" noicon="true"/>

+      </hbox>

+    </panel>

+

+    <panel id="allTabs-panel" hidden="true" norestorefocus="true" ignorekeys="true"

+           onmouseover="allTabs._updateTabCloseButton(event);">

+      <hbox id="allTabs-meta" align="center">

+        <spacer flex="1"/>

+        <textbox id="allTabs-filter"

+                 tooltiptext="&allTabs.filter.emptyText;"

+                 type="search"

+                 oncommand="allTabs.filter();"/>

+        <spacer flex="1"/>

+        <toolbarbutton class="KUI-panel-closebutton"

+                       oncommand="allTabs.close()"

+                       tooltiptext="&closeCmd.label;"/>

+      </hbox>

+      <stack id="allTabs-stack">

+        <vbox id="allTabs-container"><hbox/></vbox>

+        <toolbarbutton id="allTabs-tab-close-button"

+                       class="tabs-closebutton"

+                       oncommand="allTabs.closeTab(event);"

+                       tooltiptext="&closeCmd.label;"

+                       style="visibility:hidden"/>

+      </stack>

+    </panel>

+

+    <!-- Bookmarks and history tooltip -->

+    <tooltip id="bhTooltip"/>

+

+    <panel id="customizeToolbarSheetPopup"

+           noautohide="true">

+      <iframe id="customizeToolbarSheetIFrame"

+              style="&dialog.style;"

+              hidden="true"/>

+    </panel>

+

+    <tooltip id="tabbrowser-tab-tooltip" onpopupshowing="gBrowser.createTooltip(event);"/>

+  </popupset>

+

+#ifdef MENUBAR_CAN_AUTOHIDE

+  <vbox id="titlebar">

+  <hbox id="titlebar-content">

+  <hbox id="appmenu-button-container" align="start">

+  <button id="appmenu-button"

+          type="menu"

+#ifdef XP_WIN

+          label="&brandShortName;"

+#else

+          label="&appMenuButton.label;"

+#endif

+          style="-moz-user-focus: ignore;">

+  </button>

+  </hbox>

+  <spacer id="titlebar-spacer" flex="1"/>

+  <hbox id="titlebar-buttonbox">

+  </hbox>

+  </hbox>

+  </vbox>

+#endif

+

+<deck flex="1" id="tab-view-deck">

+<vbox flex="1">

+

+  <toolbox id="navigator-toolbox"

+           defaultmode="icons" mode="icons"

+#ifdef WINCE

+           defaulticonsize="small" iconsize="small"

+#endif

+           tabsontop="true"

+           persist="tabsontop">

+    <!-- Menu -->

+    <toolbar type="menubar" id="toolbar-menubar" class="chromeclass-menubar" customizable="true"

+             defaultset="menubar-items"

+             mode="icons" iconsize="small" defaulticonsize="small"

+             lockiconsize="true"

+#ifdef MENUBAR_CAN_AUTOHIDE

+             toolbarname="&menubarCmd.label;"

+             accesskey="&menubarCmd.accesskey;"

+#endif

+             context="toolbar-context-menu">

+      <toolbaritem id="menubar-items" align="center">

+# The entire main menubar is placed into browser-menubar.inc, so that it can be shared by 

+# hiddenWindow.xul.

+#include browser-menubar.inc

+      </toolbaritem>

+    </toolbar>

+

+    <toolbar id="nav-bar" class="toolbar-primary chromeclass-toolbar"