Moves extension_icon_image and image_loader to extensions/browser

chrome/browser/extensions/image_loader_factory.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 CHROME_BROWSER_EXTENSIONS_IMAGE_LOADER_FACTORY_H_
-#define CHROME_BROWSER_EXTENSIONS_IMAGE_LOADER_FACTORY_H_
-
-#include "base/memory/singleton.h"
-#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
-
-namespace content {
-class BrowserContext;
-}
-
-namespace extensions {
-
-class ImageLoader;
-
-// Singleton that owns all ImageLoaders and associates them with
-// BrowserContexts. Listens for the BrowserContext's destruction notification
-// and cleans up the associated ImageLoader. Uses the original BrowserContext
-// for incognito contexts.
-class ImageLoaderFactory : public BrowserContextKeyedServiceFactory {
- public:
-  static ImageLoader* GetForBrowserContext(content::BrowserContext* context);
-
-  static ImageLoaderFactory* GetInstance();
-
- private:
-  friend struct DefaultSingletonTraits<ImageLoaderFactory>;
-
-  ImageLoaderFactory();
-  virtual ~ImageLoaderFactory();
-
-  // BrowserContextKeyedServiceFactory:
-  virtual KeyedService* BuildServiceInstanceFor(
-      content::BrowserContext* context) const OVERRIDE;
-  virtual bool ServiceIsCreatedWithBrowserContext() const OVERRIDE;
-  virtual content::BrowserContext* GetBrowserContextToUse(
-      content::BrowserContext* context) const OVERRIDE;
-};
-
-}  // namespace extensions
-
-#endif  // CHROME_BROWSER_EXTENSIONS_IMAGE_LOADER_FACTORY_H_