Convert string16 to base::string16 in content.

content/renderer/render_frame_impl.h

 // Copyright 2013 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 CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
 #define CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
 
 #include <set>
 #include <vector>
 
@@ skipping 108 matching lines @@
       TransportDIB** dib,
       gfx::Rect* location,
       gfx::Rect* clip,
       float* scale_factor);
   void PageVisibilityChanged(bool shown);
   void OnSetFocus(bool enable);
   void WillHandleMouseEvent(const blink::WebMouseEvent& event);
 
   // Simulates IME events for testing purpose.
   void SimulateImeSetComposition(
-      const string16& text,
+      const base::string16& text,
       const std::vector<blink::WebCompositionUnderline>& underlines,
       int selection_start,
       int selection_end);
-  void SimulateImeConfirmComposition(const string16& text,
+  void SimulateImeConfirmComposition(const base::string16& text,
                                      const gfx::Range& replacement_range);
 
   // TODO(jam): remove these once the IPC handler moves from RenderView to
   // RenderFrame.
   void OnImeSetComposition(
-    const string16& text,
+    const base::string16& text,
     const std::vector<blink::WebCompositionUnderline>& underlines,
     int selection_start,
     int selection_end);
  void OnImeConfirmComposition(
-    const string16& text,
+    const base::string16& text,
     const gfx::Range& replacement_range,
     bool keep_selection);
 
   PepperPluginInstanceImpl* focused_pepper_plugin() {
     return focused_pepper_plugin_;
   }
 #endif  // ENABLE_PLUGINS
 
   // IPC::Sender
   virtual bool Send(IPC::Message* msg) OVERRIDE;
@@ skipping 163 matching lines @@
 
 #if defined(ENABLE_PLUGINS)
   typedef std::set<PepperPluginInstanceImpl*> PepperPluginSet;
   PepperPluginSet active_pepper_instances_;
 
   // Whether or not the focus is on a PPAPI plugin
   PepperPluginInstanceImpl* focused_pepper_plugin_;
 
   // Current text input composition text. Empty if no composition is in
   // progress.
-  string16 pepper_composition_text_;
+  base::string16 pepper_composition_text_;
 
   // The plugin instance that received the last mouse event. It is set to NULL
   // if the last mouse event went to elements other than Pepper plugins.
   // |pepper_last_mouse_event_target_| is not owned by this class. We can know
   // about when it is destroyed via InstanceDeleted().
   PepperPluginInstanceImpl* pepper_last_mouse_event_target_;
 #endif
 
   // All the registered observers.
   ObserverList<RenderFrameObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_FRAME_IMPL_H_