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

ui/base/ime/win/tsf_text_store_unittest.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 "ui/base/ime/win/tsf_text_store.h"
 
 #include <initguid.h>  // for GUID_NULL and GUID_PROP_INPUTSCOPE
 #include <InputScope.h>
 #include <OleCtl.h>
 
@@ skipping 12 matching lines @@
 namespace ui {
 namespace {
 
 class MockTextInputClient : public TextInputClient {
  public:
   ~MockTextInputClient() {}
   MOCK_METHOD1(SetCompositionText, void(const ui::CompositionText&));
   MOCK_METHOD0(ConfirmCompositionText, void());
   MOCK_METHOD0(ClearCompositionText, void());
   MOCK_METHOD1(InsertText, void(const base::string16&));
-  MOCK_METHOD2(InsertChar, void(char16, int));
+  MOCK_METHOD2(InsertChar, void(base::char16, int));
   MOCK_CONST_METHOD0(GetAttachedWindow, gfx::NativeWindow());
   MOCK_CONST_METHOD0(GetTextInputType, ui::TextInputType());
   MOCK_CONST_METHOD0(GetTextInputMode, ui::TextInputMode());
   MOCK_CONST_METHOD0(CanComposeInline, bool());
   MOCK_CONST_METHOD0(GetCaretBounds, gfx::Rect());
   MOCK_CONST_METHOD2(GetCompositionCharacterBounds, bool(uint32, gfx::Rect*));
   MOCK_CONST_METHOD0(HasCompositionText, bool());
   MOCK_CONST_METHOD1(GetTextRange, bool(gfx::Range*));
   MOCK_CONST_METHOD1(GetCompositionTextRange, bool(gfx::Range*));
   MOCK_CONST_METHOD1(GetSelectionRange, bool(gfx::Range*));
@@ skipping 1251 matching lines @@
     text_store_->SetFocusedTextInputClient(NULL, NULL);
     num_copied = 0xfffffff;
     TS_ATTRVAL buffer[2] = {};
     EXPECT_HRESULT_FAILED(text_store_->RetrieveRequestedAttrs(
         arraysize(buffer), buffer, &num_copied));
   }
 }
 
 }  // namespace
 }  // namespace ui