Make the DOMUIThemeSource load and pass through a PNG, rather than relying on...

views/widget/default_theme_provider.h

 // Copyright (c) 2009 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 VIEWS_DEFAULT_THEME_PROVIDER_H_
 #define VIEWS_DEFAULT_THEME_PROVIDER_H_
 
 #include "app/theme_provider.h"
 #include "base/basictypes.h"
 
 class Profile;
 class ResourceBundle;
 
 namespace views {
 
 class DefaultThemeProvider : public ThemeProvider {
  public:
   DefaultThemeProvider() { };
   virtual ~DefaultThemeProvider() { };
 
   // Overridden from ThemeProvider.
   virtual void Init(Profile* profile);
   virtual SkBitmap* GetBitmapNamed(int id);
   virtual SkColor GetColor(int id);
   virtual bool GetDisplayProperty(int id, int* result);
   virtual bool ShouldUseNativeFrame();
   virtual bool HasCustomImage(int id);
+  virtual bool GetRawData(int id, std::vector<unsigned char>* raw_data) {
+    return false;
+  }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(DefaultThemeProvider);
 };
 
 }  // namespace views
 
 #endif  // VIEWS_DEFAULT_THEME_PROVIDER_H_