Convert string16 to base::string16 in content.

content/browser/renderer_host/gtk_im_context_wrapper.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 CONTENT_BROWSER_RENDERER_HOST_GTK_IM_CONTEXT_WRAPPER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_GTK_IM_CONTEXT_WRAPPER_H_
 
 #include <gdk/gdk.h>
 #include <pango/pango-attributes.h>
 #include <vector>
@@ skipping 57 matching lines @@
   bool HasInputMethodResult() const;
 
   void ProcessFilteredKeyPressEvent(NativeWebKeyboardEvent* wke);
   void ProcessUnfilteredKeyPressEvent(NativeWebKeyboardEvent* wke);
 
   // Processes result returned from input method after filtering a key event.
   // |filtered| indicates if the key event was filtered by the input method.
   void ProcessInputMethodResult(const GdkEventKey* event, bool filtered);
 
   // Real code of "commit" signal handler.
-  void HandleCommit(const string16& text);
+  void HandleCommit(const base::string16& text);
 
   // Real code of "preedit-start" signal handler.
   void HandlePreeditStart();
 
   // Real code of "preedit-changed" signal handler.
   void HandlePreeditChanged(const gchar* text,
                             PangoAttrList* attrs,
                             int cursor_position);
 
   // Real code of "preedit-end" signal handler.
@@ skipping 84 matching lines @@
   bool is_in_key_event_handler_;
 
   // The most recent composition text information retrieved from context_;
   ui::CompositionText composition_;
 
   // Whether or not the composition has been changed since last key event.
   bool is_composition_changed_;
 
   // Stores a copy of the most recent commit text received by commit signal
   // handler.
-  string16 commit_text_;
+  base::string16 commit_text_;
 
   // If it's true then the next "commit" signal will be suppressed.
   // It's only used to workaround http://crbug.com/50485.
   // TODO(suzhe): Remove it after input methods get fixed.
   bool suppress_next_commit_;
 
   // Information of the last key event, for working around
   // http://crosbug.com/6582
   int last_key_code_;
   bool last_key_was_up_;
   bool last_key_filtered_no_result_;
 
   DISALLOW_COPY_AND_ASSIGN(GtkIMContextWrapper);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_GTK_IM_CONTEXT_WRAPPER_H_