Load extension icons for more scale factors.

extensions/browser/extension_icon_image.h

 // Copyright 2014 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 EXTENSIONS_BROWSER_EXTENSION_ICON_IMAGE_H_
 #define EXTENSIONS_BROWSER_EXTENSION_ICON_IMAGE_H_
 
 #include <map>
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "extensions/common/extension_icon_set.h"
-#include "ui/base/layout.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/image/image_skia.h"
 
 namespace content {
 class BrowserContext;
 }
 
 namespace extensions {
 class Extension;
 }
@@ skipping 55 matching lines @@
 
  private:
   class Source;
 
   // Loads an image representation for the scale factor.
   // If the representation gets loaded synchronously, it is returned by this
   // method.
   // If representation loading is asynchronous, an empty image
   // representation is returned. When the representation gets loaded the
   // observers' OnExtensionIconImageLoaded() will be called.
-  gfx::ImageSkiaRep LoadImageForScaleFactor(ui::ScaleFactor scale_factor);
+  gfx::ImageSkiaRep LoadImageForScale(float scale);
 
-  void OnImageLoaded(float scale_factor, const gfx::Image& image);
+  void OnImageLoaded(float scale, const gfx::Image& image);
 
   // content::NotificationObserver overrides:
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
   content::BrowserContext* browser_context_;
   scoped_refptr<const Extension> extension_;
   ExtensionIconSet icon_set_;
   const int resource_size_in_dip_;
@@ skipping 13 matching lines @@
   content::NotificationRegistrar registrar_;
 
   base::WeakPtrFactory<IconImage> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(IconImage);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_EXTENSION_ICON_IMAGE_H_