Set extension-related webkit preferences in a common location.

chrome/browser/extensions/extension_host.cc

 // Copyright (c) 2011 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/extensions/extension_host.h"
 
 #include <list>
 
 #include "base/bind.h"
 #include "base/memory/singleton.h"
@@ skipping 508 matching lines @@
   if (associated_contents)
     preferences =
         static_cast<RenderViewHostDelegate*>(associated_contents)->
             GetRendererPrefs(profile);
 
   renderer_preferences_util::UpdateFromSystemSettings(&preferences, profile);
   return preferences;
 }
 
 WebPreferences ExtensionHost::GetWebkitPrefs() {
-  Profile* profile = Profile::FromBrowserContext(
-      render_view_host()->process()->browser_context());
   WebPreferences webkit_prefs =
-      RenderViewHostDelegateHelper::GetWebkitPrefs(profile,
+      RenderViewHostDelegateHelper::GetWebkitPrefs(render_view_host(),
                                                    false);  // is_web_ui
-  // Extensions are trusted so we override any user preferences for disabling
-  // javascript or images.
-  webkit_prefs.loads_images_automatically = true;
-  webkit_prefs.javascript_enabled = true;
-
-  // Enable privileged WebGL extensions.
-  webkit_prefs.privileged_webgl_extensions_enabled = true;
-
-  if (extension_host_type_ == chrome::VIEW_TYPE_EXTENSION_POPUP ||
-      extension_host_type_ == chrome::VIEW_TYPE_EXTENSION_DIALOG ||
-      extension_host_type_ == chrome::VIEW_TYPE_EXTENSION_BACKGROUND_PAGE ||
-      extension_host_type_ == chrome::VIEW_TYPE_EXTENSION_INFOBAR)
-    webkit_prefs.allow_scripts_to_close_windows = true;
 
   // Disable anything that requires the GPU process for background pages.
   // See http://crbug.com/64512 and http://crbug.com/64841.
   if (extension_host_type_ == chrome::VIEW_TYPE_EXTENSION_BACKGROUND_PAGE) {
     webkit_prefs.experimental_webgl_enabled = false;
     webkit_prefs.accelerated_compositing_enabled = false;
     webkit_prefs.accelerated_2d_canvas_enabled = false;
   }
 
   return webkit_prefs;
@@ skipping 261 matching lines @@
 void ExtensionHost::RenderViewCreated(RenderViewHost* render_view_host) {
   if (view_.get())
     view_->RenderViewCreated();
 
   if (extension_host_type_ == chrome::VIEW_TYPE_EXTENSION_POPUP ||
       extension_host_type_ == chrome::VIEW_TYPE_EXTENSION_INFOBAR) {
         render_view_host->EnablePreferredSizeMode(
             kPreferredSizeWidth | kPreferredSizeHeightThisIsSlow);
   }
 }