Avoid sync IPCs for FileSystem API [chromium] (2/4)

chrome/renderer/content_settings_observer.h

Index: chrome/renderer/content_settings_observer.h
diff --git a/chrome/renderer/content_settings_observer.h b/chrome/renderer/content_settings_observer.h
index 4ab862328aebd4b589379efc8174ce1ae97b90c5..38257762bbf7d1011d1815d29ad60c4c49672365 100644
--- a/chrome/renderer/content_settings_observer.h
+++ b/chrome/renderer/content_settings_observer.h
@@ -53,6 +53,8 @@ class ContentSettingsObserver
                              const blink::WebString& display_name,
                              unsigned long estimated_size);
   virtual bool allowFileSystem();
+  virtual void requestFileSystemAccessAsync(
+      const blink::WebPermissionCallbacks& callbacks);
   virtual bool allowImage(bool enabled_per_settings,
                           const blink::WebURL& image_url);
   virtual bool allowIndexedDB(const blink::WebString& name,
@@ -98,6 +100,7 @@ class ContentSettingsObserver
   void OnSetAllowDisplayingInsecureContent(bool allow);
   void OnSetAllowRunningInsecureContent(bool allow);
   void OnReloadFrame();
+  void OnRequestFileSystemAccessAsyncResponse(int request_id, bool allowed);
 
   // Resets the |content_blocked_| array.
   void ClearBlockedContentSettings();
@@ -141,6 +144,10 @@ class ContentSettingsObserver
   bool is_interstitial_page_;
   bool npapi_plugins_blocked_;
 
+  int current_request_id_;
+  typedef std::map<int, blink::WebPermissionCallbacks> PermissionRequestMap;
+  PermissionRequestMap permission_requests_;
+
   DISALLOW_COPY_AND_ASSIGN(ContentSettingsObserver);
 };