[Media Galleries] Lazily initialize the storage monitor.

chrome/browser/extensions/api/media_galleries_private/media_galleries_private_api.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_API_MEDIA_GALLERIES_PRIVATE_MEDIA_GALLERIES_PRIVATE_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_PRIVATE_MEDIA_GALLERIES_PRIVATE_API_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 90 matching lines @@
   DECLARE_EXTENSION_FUNCTION("mediaGalleriesPrivate.addGalleryWatch",
                              MEDIAGALLERIESPRIVATE_ADDGALLERYWATCH);
 
  protected:
   virtual ~MediaGalleriesPrivateAddGalleryWatchFunction();
 
   // AsyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
 
  private:
+  void OnStorageMonitorInit(chrome::MediaGalleryPrefId pref_id);
+
   // Gallery watch request handler.
   void HandleResponse(chrome::MediaGalleryPrefId gallery_id,
                       bool success);
 };
 
 // Implements the chrome.mediaGalleriesPrivate.removeGalleryWatch method.
 class MediaGalleriesPrivateRemoveGalleryWatchFunction
-    : public SyncExtensionFunction {
+    : public AsyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("mediaGalleriesPrivate.removeGalleryWatch",
                              MEDIAGALLERIESPRIVATE_REMOVEGALLERYWATCH);
 
  protected:
   virtual ~MediaGalleriesPrivateRemoveGalleryWatchFunction();
 
   // SyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
+
+ private:
+  void OnStorageMonitorInit(chrome::MediaGalleryPrefId pref_id);
 };
 
 // Implements the chrome.mediaGalleriesPrivate.getAllGalleryWatch method.
 class MediaGalleriesPrivateGetAllGalleryWatchFunction
     : public SyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("mediaGalleriesPrivate.getAllGalleryWatch",
                              MEDIAGALLERIESPRIVATE_GETALLGALLERYWATCH);
  protected:
   virtual ~MediaGalleriesPrivateGetAllGalleryWatchFunction();
@@ skipping 43 matching lines @@
  protected:
   virtual ~MediaGalleriesPrivateGetHandlersFunction();
 
   // AsyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_PRIVATE_MEDIA_GALLERIES_PRIVATE_API_H_