Browser plugin: Implement loadStart and loadAbort events

content/renderer/browser_plugin/browser_plugin.h

Index: content/renderer/browser_plugin/browser_plugin.h
diff --git a/content/renderer/browser_plugin/browser_plugin.h b/content/renderer/browser_plugin/browser_plugin.h
index 2d3d45116a5eb54545a6d05aa8dc90ad9f738441..4276d83b0c98c120b6def0864d4801c8c174fb3a 100644
--- a/content/renderer/browser_plugin/browser_plugin.h
+++ b/content/renderer/browser_plugin/browser_plugin.h
@@ -54,6 +54,10 @@ class CONTENT_EXPORT BrowserPlugin :
   void GuestCrashed();
   // Informs the BrowserPlugin that the guest has navigated to a new URL.
   void DidNavigate(const GURL& url, int process_id);
+  // Inform the BrowserPlugin that the guest has started loading a new page.
+  void LoadStart(const GURL& url, bool is_top_level);
+  // Inform the BrowserPlugin that the guest has aborted loading a new page.
+  void LoadAbort(const GURL& url, bool is_top_level, const std::string& type);
   // Tells the BrowserPlugin to advance the focus to the next (or previous)
   // element.
   void AdvanceFocus(bool reverse);