Remove dependency on ui::ScaleFactor from ui/gfx

ui/base/resource/resource_bundle.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 UI_BASE_RESOURCE_RESOURCE_BUNDLE_H_
 #define UI_BASE_RESOURCE_RESOURCE_BUNDLE_H_
 
 #include "build/build_config.h"
 
 #include <map>
@@ skipping 237 matching lines @@
 
   // Returns the full pathname of the locale file to load.  May return an empty
   // string if no locale data files are found and |test_file_exists| is true.
   // Used on Android to load the local file in the browser process and pass it
   // to the sandboxed renderer process.
   base::FilePath GetLocaleFilePath(const std::string& app_locale,
                                    bool test_file_exists);
 
   // Returns the maximum scale factor currently loaded.
   // Returns SCALE_FACTOR_100P if no resource is loaded.
-  ScaleFactor max_scale_factor() const {
-    return max_scale_factor_;
-  }
+  ScaleFactor GetMaxScaleFactor() const;
 
  private:
   FRIEND_TEST_ALL_PREFIXES(ResourceBundleTest, DelegateGetPathForLocalePack);
   FRIEND_TEST_ALL_PREFIXES(ResourceBundleTest, DelegateGetImageNamed);
   FRIEND_TEST_ALL_PREFIXES(ResourceBundleTest, DelegateGetNativeImageNamed);
 
   friend class ResourceBundleImageTest;
   friend class ResourceBundleTest;
 
   class ResourceBundleImageSource;
   friend class ResourceBundleImageSource;
 
   // Ctor/dtor are private, since we're a singleton.
   explicit ResourceBundle(Delegate* delegate);
   ~ResourceBundle();
 
+  // Shared initialization.
+  static void InitSharedInstance(Delegate* delegate);
+
   // Free skia_images_.
   void FreeImages();
 
   // Load the main resources.
   void LoadCommonResources();
 
   // Implementation for AddDataPackFromPath and AddOptionalDataPackFromPath, if
   // the pack is not |optional| logs an error on failure to load.
   void AddDataPackFromPathInternal(const base::FilePath& path,
                                    ScaleFactor scale_factor,
@@ skipping 106 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_