Replace string16 with base::string16 in src/webkit

webkit/plugins/ppapi/mock_plugin_delegate.h

 // Copyright (c) 2012 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 WEBKIT_PLUGINS_PPAPI_MOCK_PLUGIN_DELEGATE_H_
 #define WEBKIT_PLUGINS_PPAPI_MOCK_PLUGIN_DELEGATE_H_
 
 #include "webkit/plugins/ppapi/plugin_delegate.h"
 
 struct PP_NetAddress_Private;
 namespace ppapi { class PPB_X509Certificate_Fields; }
 
 namespace webkit {
 namespace ppapi {
 
 class MockPluginDelegate : public PluginDelegate {
  public:
   MockPluginDelegate();
   virtual ~MockPluginDelegate();
 
   virtual void PluginFocusChanged(PluginInstance* instance, bool focused);
   virtual void PluginTextInputTypeChanged(PluginInstance* instance);
   virtual void PluginCaretPositionChanged(PluginInstance* instance);
   virtual void PluginRequestedCancelComposition(PluginInstance* instance);
   virtual void PluginSelectionChanged(PluginInstance* instance);
   virtual void SimulateImeSetComposition(
-      const string16& text,
+      const base::string16& text,
       const std::vector<WebKit::WebCompositionUnderline>& underlines,
       int selection_start,
       int selection_end);
-  virtual void SimulateImeConfirmComposition(const string16& text);
+  virtual void SimulateImeConfirmComposition(const base::string16& text);
   virtual void PluginCrashed(PluginInstance* instance);
   virtual void InstanceCreated(PluginInstance* instance);
   virtual void InstanceDeleted(PluginInstance* instance);
   virtual scoped_ptr< ::ppapi::thunk::ResourceCreationAPI>
       CreateResourceCreationAPI(PluginInstance* instance);
   virtual SkBitmap* GetSadPluginBitmap();
   virtual WebKit::WebPlugin* CreatePluginReplacement(
       const base::FilePath& file_path);
   virtual PlatformImage2D* CreateImage2D(int width, int height);
   virtual PlatformGraphics2D* GetGraphics2D(PluginInstance* instance,
@@ skipping 128 matching lines @@
   virtual IPC::PlatformFileForTransit ShareHandleWithRemote(
       base::PlatformFile handle,
       base::ProcessId target_process_id,
       bool should_close_source) const;
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_MOCK_PLUGIN_DELEGATE_H_