Enable Shadow DOM and scoped stylesheet for extensions and Web UI.

chrome/renderer/chrome_render_view_observer.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_RENDERER_CHROME_RENDER_VIEW_OBSERVER_H_
 #define CHROME_RENDERER_CHROME_RENDER_VIEW_OBSERVER_H_
 #pragma once
 
 #include <set>
 #include <string>
@@ skipping 86 matching lines @@
                                     int extension_group) OVERRIDE;
   virtual bool allowScriptExtension(WebKit::WebFrame* frame,
                                     const WebKit::WebString& extension_name,
                                     int extension_group,
                                     int world_id);
   virtual bool allowStorage(WebKit::WebFrame* frame, bool local) OVERRIDE;
   virtual bool allowReadFromClipboard(WebKit::WebFrame* frame,
                                       bool default_value) OVERRIDE;
   virtual bool allowWriteToClipboard(WebKit::WebFrame* frame,
                                      bool default_value) OVERRIDE;
+  virtual bool allowWebComponents(const WebKit::WebDocument&, bool) OVERRIDE;
   virtual void didNotAllowPlugins(WebKit::WebFrame* frame) OVERRIDE;
   virtual void didNotAllowScript(WebKit::WebFrame* frame) OVERRIDE;
   virtual bool allowDisplayingInsecureContent(
       WebKit::WebFrame* frame,
       bool allowed_per_settings,
       const WebKit::WebSecurityOrigin& context,
       const WebKit::WebURL& url) OVERRIDE;
   virtual bool allowRunningInsecureContent(
       WebKit::WebFrame* frame,
       bool allowed_per_settings,
@@ skipping 58 matching lines @@
   // frame whose size is image_size is returned. If the image doesn't
   // have a frame at the specified size, the first is returned.
   bool DownloadFavicon(int id, const GURL& image_url, int image_size);
 
   // Decodes a data: URL image or returns an empty image in case of failure.
   SkBitmap ImageFromDataUrl(const GURL&) const;
 
   // Determines if a host is in the strict security host set.
   bool IsStrictSecurityHost(const std::string& host);
 
+  // Determines if the document has a permission to use experimental Web API
+  bool IsExperimentalWebFeatureAllowed(const WebKit::WebDocument& document);
+
   // Save the JavaScript to preload if a ViewMsg_WebUIJavaScript is received.
   scoped_ptr<WebUIJavaScript> webui_javascript_;
 
   // Owned by ChromeContentRendererClient and outlive us.
   ChromeRenderProcessObserver* chrome_render_process_observer_;
   ExtensionDispatcher* extension_dispatcher_;
 
   // Have the same lifetime as us.
   ContentSettingsObserver* content_settings_;
   TranslateHelper* translate_helper_;
@@ skipping 25 matching lines @@
   // A color page overlay when visually de-emaphasized.
   scoped_ptr<WebViewColorOverlay> dimmed_color_overlay_;
 
   // Used to delay calling CapturePageInfo.
   base::Timer capture_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeRenderViewObserver);
 };
 
 #endif  // CHROME_RENDERER_CHROME_RENDER_VIEW_OBSERVER_H_