Media Galleries API: hookup the AllGalleries permission and add tests.

chrome/browser/media_gallery/media_file_system_registry.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.
 
 // MediaFileSystemRegistry registers pictures directories and media devices as
 // File API filesystems and keeps track of the path to filesystem ID mappings.
 
 #ifndef CHROME_BROWSER_MEDIA_GALLERY_MEDIA_FILE_SYSTEM_REGISTRY_H_
 #define CHROME_BROWSER_MEDIA_GALLERY_MEDIA_FILE_SYSTEM_REGISTRY_H_
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/lazy_instance.h"
 #include "base/system_monitor/system_monitor.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 class FilePath;
 
 namespace content {
 class RenderProcessHost;
 }
 
+namespace extensions {
+class Extension;
+}
+
 namespace fileapi {
 class IsolatedContext;
 }
 
 namespace chrome {
 
 class MediaFileSystemRegistry
     : public base::SystemMonitor::DevicesChangedObserver,
       public content::NotificationObserver {
  public:
   // (Filesystem ID, path)
   typedef std::pair<std::string, FilePath> MediaFSIDAndPath;
 
   // The instance is lazily created per browser process.
   static MediaFileSystemRegistry* GetInstance();
 
   // Returns the list of media filesystem IDs and paths for a given RPH.
   // Called on the UI thread.
   std::vector<MediaFSIDAndPath> GetMediaFileSystems(
-      const content::RenderProcessHost* rph);
+      const content::RenderProcessHost* rph,
+      const extensions::Extension& extension);
 
   // base::SystemMonitor::DevicesChangedObserver implementation.
   virtual void OnMediaDeviceDetached(const std::string& id) OVERRIDE;
 
   // content::NotificationObserver implementation.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
  private:
@@ skipping 32 matching lines @@
 
   // Is only used on the UI thread.
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaFileSystemRegistry);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_MEDIA_GALLERY_MEDIA_FILE_SYSTEM_REGISTRY_H_