Notify CloseFile from Pepper to FileSystem.

content/renderer/pepper/pepper_plugin_delegate_impl.h

Index: content/renderer/pepper/pepper_plugin_delegate_impl.h
diff --git a/content/renderer/pepper/pepper_plugin_delegate_impl.h b/content/renderer/pepper/pepper_plugin_delegate_impl.h
index c0134022017dc7aead7c1082d9c58be81289039a..a7bacb405f3bf02abfcab11d64ec10a526f74fa0 100644
--- a/content/renderer/pepper/pepper_plugin_delegate_impl.h
+++ b/content/renderer/pepper/pepper_plugin_delegate_impl.h
@@ -217,6 +217,7 @@ class PepperPluginDelegateImpl
       const GURL& path,
       int flags,
       const AsyncOpenFileCallback& callback) OVERRIDE;
+  virtual bool AsyncNotifyCloseFileSystemURL(const GURL& path) OVERRIDE;
   virtual bool OpenFileSystem(
       const GURL& url,
       fileapi::FileSystemType type,
@@ -465,6 +466,9 @@ class PepperPluginDelegateImpl
   MouseLockDispatcher* GetMouseLockDispatcher(
       webkit::ppapi::PluginInstance* instance);
 
+  // Notifies the file system about file close.
+  void DoNotifyCloseFile(const GURL& path);
+
   // Pointer to the RenderView that owns us.
   RenderViewImpl* render_view_;