Update some uses of char16 to use the base:: namespace.

ui/base/ime/remote_input_method_win_unittest.cc

 // 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.
 
 #include "ui/base/ime/remote_input_method_win.h"
 
 #include <InputScope.h>
 
 #include <vector>
 
@@ skipping 72 matching lines @@
   void set_emulate_pepper_flash(bool enabled) {
     emulate_pepper_flash_ = enabled;
   }
 
  private:
   // Overriden from DummyTextInputClient.
   virtual void SetCompositionText(
       const ui::CompositionText& composition) OVERRIDE {
     ++call_count_set_composition_text_;
   }
-  virtual void InsertChar(char16 ch, int flags) OVERRIDE{
+  virtual void InsertChar(base::char16 ch, int flags) OVERRIDE {
     inserted_text_.append(1, ch);
     ++call_count_insert_char_;
   }
-  virtual void InsertText(const base::string16& text) OVERRIDE{
+  virtual void InsertText(const base::string16& text) OVERRIDE {
     inserted_text_.append(text);
     ++call_count_insert_text_;
   }
   virtual ui::TextInputType GetTextInputType() const OVERRIDE {
     return text_input_type_;
   }
   virtual ui::TextInputMode GetTextInputMode() const OVERRIDE {
     return text_input_mode_;
   }
   virtual gfx::Rect GetCaretBounds() const {
@@ skipping 734 matching lines @@
   scoped_ptr<InputMethod> input_method(CreateRemoteInputMethodWin(&delegate_));
   input_method->AddObserver(&input_method_observer);
 
   EXPECT_EQ(0u, input_method_observer.on_input_method_destroyed_changed());
   input_method.reset();
   EXPECT_EQ(1u, input_method_observer.on_input_method_destroyed_changed());
 }
 
 }  // namespace
 }  // namespace ui