Make sure we can handle favicons that are provided as data: URLs

chrome/renderer/render_view.h

 // Copyright (c) 2006-2008 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_RENDER_VIEW_H_
 #define CHROME_RENDERER_RENDER_VIEW_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 626 matching lines @@
   // Locates a sub frame with given xpath
   WebFrame* GetChildFrame(const std::wstring& frame_xpath) const;
 
   std::string GetAltHTMLForTemplate(const DictionaryValue& error_strings,
                                     int template_resource_id) const;
 
   virtual void TransitionToCommittedForNewPage();
 
   virtual void DidAddHistoryItem();
 
+  // Decodes a data: URL image or returns an empty image in case of failure.
+  SkBitmap ImageFromDataUrl(const GURL&) const;
+
   // A helper method used by WasOpenedByUserGesture.
   bool WasOpenedByUserGestureHelper() const;
 
   void DumpLoadHistograms() const;
 
   // Bitwise-ORed set of extra bindings that have been enabled.  See
   // BindingsPolicy for details.
   int enabled_bindings_;
 
   // DOM Automation Controller CppBoundClass.
@@ skipping 174 matching lines @@
   IDMap<WebFrame> pending_extension_callbacks_;
 
   // The currently selected text. This is currently only updated on Linux, where
   // it's for the selection clipboard.
   std::string selection_text_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderView);
 };
 
 #endif  // CHROME_RENDERER_RENDER_VIEW_H_