Add the names of plugins to the blocked plugin bubble.

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 ba9e2fff15a5be965b2384deaf26fecc24e77c66..b6f13b653fbbb3ef892b379b934d4710523e6c6b 100644
--- a/chrome/renderer/content_settings_observer.h
+++ b/chrome/renderer/content_settings_observer.h
@@ -48,6 +48,11 @@ class ContentSettingsObserver
   // Sends an IPC notification that the specified content type was blocked.
   void DidBlockContentType(ContentSettingsType settings_type);
 
+  // Sends an IPC notification that the specified content type was blocked
+  // with additional metadata.
+  void DidBlockContentType(ContentSettingsType settings_type,
+                           const base::string16& details);
+
   // blink::WebPermissionClient implementation.
   virtual bool allowDatabase(const blink::WebString& name,
                              const blink::WebString& display_name,