GTK: Remove the one user of GetRTLEnabledSurfaceNamed() and move it over to ResourceBundle().

ui/base/resource/resource_bundle.h

 // 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.
 
 #ifndef UI_BASE_RESOURCE_RESOURCE_BUNDLE_H_
 #define UI_BASE_RESOURCE_RESOURCE_BUNDLE_H_
 #pragma once
 
 #include "build/build_config.h"
 
@@ skipping 162 matching lines @@
   // file. Returns a pointer to a shared instance of the GdkPixbuf.  This
   // shared GdkPixbuf is owned by the resource bundle and should not be freed.
   //
   // The bitmap is assumed to exist. This function will log in release, and
   // assert in debug mode if it does not. On failure, this will return a
   // pointer to a shared empty placeholder bitmap so it will be visible what
   // is missing.
   // This function flips it in RTL locales.
   GdkPixbuf* GetRTLEnabledPixbufNamed(int resource_id);
 
+  // Same as above, but returns a gfx::Image wrapping the GdkPixbuf.
+  gfx::Image& GetRTLEnabledImageNamed(int resource_id);
+
  private:
   // Shared implementation for the above two functions.
   gfx::Image* GetPixbufImpl(int resource_id, bool rtl_enabled);
 
  public:
 #endif
 
   // TODO(glen): Move these into theme provider (dialogs still depend on
   //    ResourceBundle).
   static const SkColor frame_color;
@@ skipping 124 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(ResourceBundle);
 };
 
 }  // namespace ui
 
 // TODO(beng): Someday, maybe, get rid of this.
 using ui::ResourceBundle;
 
 #endif  // UI_BASE_RESOURCE_RESOURCE_BUNDLE_H_