libcef:

- Add support for embedded netscape-style plugins.
- Add new webkit_glue VisitedLinkHash() and IsLinkVisited() functions required by underlying chromium changes.
cefclient:
- Add sample netscape-style plugin implementation and related Plugin item on the Tests menu.
- Increase the speed of the update timer so that buttons refresh closer to real-time.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@5 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

libcef/context.h

@@ -38,6 +38,13 @@ public:
   // Returns true if the calling thread is the same as the UI thread
   bool RunningOnUIThread() { return (GetCurrentThreadId() == idthreadui_); }
 
+  ////////////////////////////////////////////////////////////
+  // ALL UIT_* METHODS MUST ONLY BE CALLED ON THE UI THREAD //
+  ////////////////////////////////////////////////////////////
+
+  void UIT_RegisterPlugin(struct CefPluginInfo* plugin_info);
+  void UIT_UnregisterPlugin(struct CefPluginInfo* plugin_info);
+
 private:
   void SetMessageLoopForUI(MessageLoopForUI* loop);
   void NotifyEvent();