Add support for a "split" incognito behavior for extensions.

chrome/browser/browser.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/browser.h"
 
 #if defined(OS_WIN)
 #include <shellapi.h>
 #include <windows.h>
 #endif  // OS_WIN
@@ skipping 3034 matching lines @@
       // closing of this one.
       if (GetSelectedTabContents() &&
           &GetSelectedTabContents()->controller() ==
           Source<NavigationController>(source).ptr())
         UpdateToolbar(false);
       break;
 
     case NotificationType::EXTENSION_UPDATE_DISABLED: {
       // Show the UI if the extension was disabled for escalated permissions.
       Profile* profile = Source<Profile>(source).ptr();
-      DCHECK_EQ(profile_, profile);
-      ExtensionsService* service = profile->GetExtensionsService();
-      DCHECK(service);
-      Extension* extension = Details<Extension>(details).ptr();
-      if (service->extension_prefs()->DidExtensionEscalatePermissions(
-              extension->id()))
-        ShowExtensionDisabledUI(service, profile_, extension);
+      if (profile_->IsSameProfile(profile)) {
+        ExtensionsService* service = profile->GetExtensionsService();
+        DCHECK(service);
+        Extension* extension = Details<Extension>(details).ptr();
+        if (service->extension_prefs()->DidExtensionEscalatePermissions(
+                extension->id()))
+          ShowExtensionDisabledUI(service, profile_, extension);
+      }
       break;
     }
 
     case NotificationType::EXTENSION_UNLOADED:
     case NotificationType::EXTENSION_UNLOADED_DISABLED: {
       window()->GetLocationBar()->UpdatePageActions();
 
       // Close any tabs from the unloaded extension.
       Extension* extension = Details<Extension>(details).ptr();
       for (int i = 0; i < tabstrip_model_.count(); i++) {
@@ skipping 944 matching lines @@
 }
 
 void Browser::TabRestoreServiceDestroyed(TabRestoreService* service) {
   if (!tab_restore_service_)
     return;
 
   DCHECK_EQ(tab_restore_service_, service);
   tab_restore_service_->RemoveObserver(this);
   tab_restore_service_ = NULL;
 }