Move IsScaleFactorSupported, FindClosestScaleFactorUnsafe to ui/base/resource_bundle.cc

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 <map>
 #include <string>
 
@@ skipping 238 matching lines @@
   // 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 GetMaxScaleFactor() const;
 
+ protected:
+  // Returns true if |scale_factor| is supported by this platform.
+  static bool IsScaleFactorSupported(ScaleFactor scale_factor);
+
  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;
@@ 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_