Replace string16 with base::string16 in src/webkit

webkit/plugins/ppapi/mock_plugin_delegate.cc

 // 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.
 
 #include "webkit/plugins/ppapi/mock_plugin_delegate.h"
 
 #include "base/logging.h"
 #include "base/message_loop_proxy.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/shared_impl/ppapi_preferences.h"
@@ skipping 22 matching lines @@
 }
 
 void MockPluginDelegate::PluginRequestedCancelComposition(
     PluginInstance* instance) {
 }
 
 void MockPluginDelegate::PluginSelectionChanged(PluginInstance* instance) {
 }
 
 void MockPluginDelegate::SimulateImeSetComposition(
-    const string16& text,
+    const base::string16& text,
     const std::vector<WebKit::WebCompositionUnderline>& underlines,
     int selection_start,
     int selection_end) {
 }
 
-void MockPluginDelegate::SimulateImeConfirmComposition(const string16& text) {
+void MockPluginDelegate::SimulateImeConfirmComposition(
+    const base::string16& text) {
 }
 
 void MockPluginDelegate::PluginCrashed(PluginInstance* instance) {
 }
 
 void MockPluginDelegate::InstanceCreated(PluginInstance* instance) {
 }
 
 void MockPluginDelegate::InstanceDeleted(PluginInstance* instance) {
 }
@@ skipping 324 matching lines @@
 
 IPC::PlatformFileForTransit MockPluginDelegate::ShareHandleWithRemote(
       base::PlatformFile handle,
       base::ProcessId target_process_id,
       bool should_close_source) const {
   return IPC::InvalidPlatformFileForTransit();
 }
 
 }  // namespace ppapi
 }  // namespace webkit