The first step for enabling off-the-spot IME on Pepper on ChromeOS/Linux.

webkit/plugins/ppapi/plugin_delegate.h

Index: webkit/plugins/ppapi/plugin_delegate.h
diff --git a/webkit/plugins/ppapi/plugin_delegate.h b/webkit/plugins/ppapi/plugin_delegate.h
index d9fd34981dd9de170ee9b7eaab1576baa985af52..9334982fdd19f598fc852636f2440793019b9f70 100644
--- a/webkit/plugins/ppapi/plugin_delegate.h
+++ b/webkit/plugins/ppapi/plugin_delegate.h
@@ -226,6 +226,9 @@ class PluginDelegate {
     virtual ~PpapiBroker() {}
   };
 
+  // Notification that the given plugin is focused or unfocused.
+  virtual void PluginFocusChanged(bool focused) = 0;
+
   // Notification that the given plugin has crashed. When a plugin crashes, all
   // instances associated with that plugin will notify that they've crashed via
   // this function.