Update Mac plugin IME handling to match updated spec

chrome/plugin/webplugin_delegate_stub.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_PLUGIN_WEBPLUGIN_DELEGATE_STUB_H_
 #define CHROME_PLUGIN_WEBPLUGIN_DELEGATE_STUB_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 71 matching lines @@
                               int notify_id);
 
   void OnSetContentAreaFocus(bool has_focus);
 #if defined(OS_MACOSX)
   void OnSetWindowFocus(bool has_focus);
   void OnContainerHidden();
   void OnContainerShown(gfx::Rect window_frame, gfx::Rect view_frame,
                         bool has_focus);
   void OnWindowFrameChanged(const gfx::Rect& window_frame,
                             const gfx::Rect& view_frame);
-  void OnImeCompositionConfirmed(const string16& text);
+  void OnImeCompositionCompleted(const string16& text);
 #endif
 
   void OnDidReceiveManualResponse(
       const GURL& url,
       const PluginMsg_DidReceiveResponseParams& params);
   void OnDidReceiveManualData(const std::vector<char>& buffer);
   void OnDidFinishManualLoading();
   void OnDidManualLoadFail();
   void OnInstallMissingPlugin();
   void OnHandleURLRequestReply(unsigned long resource_id,
@@ skipping 30 matching lines @@
   // browser.
   void OnSetFakeAcceleratedSurfaceWindowHandle(gfx::PluginWindowHandle window);
 #endif
 
 #endif
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(WebPluginDelegateStub);
 };
 
 #endif  // CHROME_PLUGIN_WEBPLUGIN_DELEGATE_STUB_H_