Wrapping blocked filesystems into TabSpecificContentSettings

chrome/browser/renderer_host/chrome_render_message_filter.cc

Index: chrome/browser/renderer_host/chrome_render_message_filter.cc
diff --git a/chrome/browser/renderer_host/chrome_render_message_filter.cc b/chrome/browser/renderer_host/chrome_render_message_filter.cc
index 63f19b568ee9bdea720dd211c9516a6e2fd9082c..c18cf59700e8731b929007660394074d469d978e 100644
--- a/chrome/browser/renderer_host/chrome_render_message_filter.cc
+++ b/chrome/browser/renderer_host/chrome_render_message_filter.cc
@@ -365,15 +365,18 @@ void ChromeRenderMessageFilter::OnAllowDOMStorage(int render_view_id,
 void ChromeRenderMessageFilter::OnAllowFileSystem(int render_view_id,
                                                   const GURL& url,
                                                   bool* allowed) {
-  
-  // TODO(kinuko): Need to notify the UI thread to indicate that
-  // there's a blocked content.  See the above for inspiration.
   ContentSetting setting = host_content_settings_map_->GetContentSetting(
       url, CONTENT_SETTINGS_TYPE_COOKIES, "");
   DCHECK((setting == CONTENT_SETTING_ALLOW) ||
          (setting == CONTENT_SETTING_BLOCK) ||
          (setting == CONTENT_SETTING_SESSION_ONLY));
   *allowed = setting != CONTENT_SETTING_BLOCK;
+  // If content was blocked, tell the UI to display the blocked content icon.
+  BrowserThread::PostTask(
+      BrowserThread::UI, FROM_HERE,
+      NewRunnableFunction(
+          &TabSpecificContentSettings::FileSystemAccessed,
+          render_process_id_, render_view_id, url, !*allowed));
 }
 
 void ChromeRenderMessageFilter::OnAllowIndexedDB(int render_view_id,