Moves extension_icon_image and image_loader to extensions/browser

extensions/browser/component_extension_resource_manager.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_COMPONENT_EXTENSION_RESOURCE_MANAGER_H_
+#define EXTENSIONS_BROWSER_COMPONENT_EXTENSION_RESOURCE_MANAGER_H_
+
+#include "base/files/file_path.h"

[James Cook, 2014/06/18 20:29:58]

nit: You can forward declare base::FilePath.

[Jun Mukai, 2014/06/19 16:47:13]

Done.

+
+namespace extensions {
+
+// This class manages which extension resources are actually come from
+// the resource bundle.
+class ComponentExtensionResourceManager {
+ public:
+  virtual ~ComponentExtensionResourceManager() {}
+
+  // Checks whether image is a component extension resource. Returns false
+  // if a given |resource| does not have a corresponding image in bundled
+  // resources. Otherwise fills |resource_id|. This doesn't check if the
+  // extension the resource is in is actually a component extension.
+  virtual bool IsComponentExtensionResource(
+    const base::FilePath& extension_path,
+    const base::FilePath& resource_path,
+    int* resource_id) = 0;
+};
+
+}  // namespace extensions
+
+#endif  // EXTENSIONS_BROWSER_COMPONENT_EXTENSION_RESOURCE_MANAGER_H_