diff -r f98f2fd265af -r 6d716caa6abe firefox-kde.patch
--- a/firefox-kde.patch	Sat Nov 04 20:25:02 2017 +0100
+++ b/firefox-kde.patch	Sat Nov 04 23:30:29 2017 +0100
@@ -1,5 +1,5 @@
 # HG changeset patch
-# Parent  05209af7fdfec897f5f574c691184ba27049b0ff
+# Parent  c68a0b83e6eaebd87e9790659aef919e50b830c0
 
 diff --git a/browser/base/content/browser-kde.xul b/browser/base/content/browser-kde.xul
 new file mode 100644
@@ -1330,8 +1330,8 @@
 --- a/browser/base/jar.mn
 +++ b/browser/base/jar.mn
 @@ -58,16 +58,18 @@ browser.jar:
-         content/browser/aboutSocialError.xhtml        (content/aboutSocialError.xhtml)
-         content/browser/aboutProviderDirectory.xhtml  (content/aboutProviderDirectory.xhtml)
+         content/browser/aboutRobots-icon.png          (content/aboutRobots-icon.png)
+         content/browser/aboutRobots-widget-left.png   (content/aboutRobots-widget-left.png)
          content/browser/aboutTabCrashed.css           (content/aboutTabCrashed.css)
          content/browser/aboutTabCrashed.js            (content/aboutTabCrashed.js)
          content/browser/aboutTabCrashed.xhtml         (content/aboutTabCrashed.xhtml)
@@ -1346,8 +1346,8 @@
          content/browser/browser-customization.js      (content/browser-customization.js)
          content/browser/browser-data-submission-info-bar.js (content/browser-data-submission-info-bar.js)
          content/browser/browser-compacttheme.js       (content/browser-compacttheme.js)
-         content/browser/browser-feeds.js              (content/browser-feeds.js)
-         content/browser/browser-fullScreenAndPointerLock.js  (content/browser-fullScreenAndPointerLock.js)
+ #ifndef MOZILLA_OFFICIAL
+         content/browser/browser-development-helpers.js (content/browser-development-helpers.js)
 diff --git a/browser/components/build/nsModule.cpp b/browser/components/build/nsModule.cpp
 --- a/browser/components/build/nsModule.cpp
 +++ b/browser/components/build/nsModule.cpp
@@ -1370,7 +1370,7 @@
  
  #include "rdf.h"
  #include "nsFeedSniffer.h"
-@@ -31,18 +31,16 @@ using namespace mozilla::browser;
+@@ -32,18 +32,16 @@ using namespace mozilla::browser;
  
  /////////////////////////////////////////////////////////////////////////////
  
@@ -1389,9 +1389,9 @@
  
  NS_GENERIC_FACTORY_CONSTRUCTOR(nsFeedSniffer)
  
-@@ -60,17 +58,17 @@ NS_DEFINE_NAMED_CID(NS_WINIEHISTORYENUME
- NS_DEFINE_NAMED_CID(NS_SHELLSERVICE_CID);
- #endif
+@@ -64,17 +62,17 @@ NS_DEFINE_NAMED_CID(NS_SHELLSERVICE_CID)
+ NS_GENERIC_FACTORY_CONSTRUCTOR(nsSessionStoreUtils)
+ NS_DEFINE_NAMED_CID(NS_SESSIONSTOREUTILS_CID);
  
  static const mozilla::Module::CIDEntry kBrowserCIDs[] = {
      { &kNS_BROWSERDIRECTORYPROVIDER_CID, false, nullptr, DirectoryProviderConstructor },
@@ -1411,13 +1411,13 @@
 diff --git a/browser/components/preferences/in-content/main.js b/browser/components/preferences/in-content/main.js
 --- a/browser/components/preferences/in-content/main.js
 +++ b/browser/components/preferences/in-content/main.js
-@@ -41,16 +41,23 @@ var gMainPane = {
-         // way to get all file type association prefs. So we don't know
-         // when the user will select the default.  We refresh here periodically
-         // in case the default changes. On other Windows OS's defaults can also
-         // be set while the prefs are open.
-         window.setInterval(this.updateSetDefaultBrowser.bind(this), 1000);
-       }
+@@ -203,16 +203,23 @@ var gMainPane = {
+           this._backoffIndex++ : backoffTimes.length - 1]);
+       };
+ 
+       window.setTimeout(() => {
+         window.requestIdleCallback(pollForDefaultBrowser);
+       }, backoffTimes[this._backoffIndex]);
      }
  
 +    var env = Components.classes["@mozilla.org/process/environment;1"]
@@ -1427,17 +1427,17 @@
 +      kde_session = 1;
 +    }
 +
+     this.initBrowserContainers();
      this.buildContentProcessCountMenuList();
-     this.updateDefaultPerformanceSettingsPref();
  
-     let defaultPerformancePref =
-       document.getElementById("browser.preferences.defaultPerformanceSettings.enabled");
-     defaultPerformancePref.addEventListener("change", () => {
-       this.updatePerformanceSettingsBox({duringChangeEvent: true});
-     });
-@@ -875,16 +882,27 @@ var gMainPane = {
-       let alwaysCheckPref = document.getElementById("browser.shell.checkDefaultBrowser");
-       alwaysCheckPref.value = true;
+     let performanceSettingsLink = document.getElementById("performanceSettingsLearnMore");
+     let performanceSettingsUrl = Services.urlFormatter.formatURLPref("app.support.baseURL") + "performance";
+     performanceSettingsLink.setAttribute("href", performanceSettingsUrl);
+ 
+     this.updateDefaultPerformanceSettingsPref();
+@@ -952,16 +959,27 @@ var gMainPane = {
+       // Reset exponential backoff delay time in order to do visual update in pollForDefaultBrowser.
+       this._backoffIndex = 0;
  
        let shellSvc = getShellService();
        if (!shellSvc)
@@ -1466,7 +1466,7 @@
 diff --git a/browser/components/shell/moz.build b/browser/components/shell/moz.build
 --- a/browser/components/shell/moz.build
 +++ b/browser/components/shell/moz.build
-@@ -38,16 +38,18 @@ if CONFIG['OS_ARCH'] == 'WINNT':
+@@ -39,16 +39,18 @@ if CONFIG['OS_ARCH'] == 'WINNT':
      ]
  elif CONFIG['MOZ_WIDGET_TOOLKIT'] == 'cocoa':
      SOURCES += [
@@ -1778,7 +1778,7 @@
 diff --git a/browser/installer/package-manifest.in b/browser/installer/package-manifest.in
 --- a/browser/installer/package-manifest.in
 +++ b/browser/installer/package-manifest.in
-@@ -664,16 +664,18 @@
+@@ -666,16 +666,18 @@
  @RESPATH@/browser/defaults/blocklists
  @RESPATH@/browser/defaults/pinning