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

content/browser/renderer_host/render_widget_host_view_win.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 "content/browser/renderer_host/render_widget_host_view_win.h"
 
 #include <InputScope.h>
 #include <wtsapi32.h>
 #pragma comment(lib, "wtsapi32.lib")
 
@@ skipping 1012 matching lines @@
   if (!base::win::IsTSFAwareRequired()) {
     NOTREACHED();
     return;
   }
   if (render_widget_host_)
     render_widget_host_->ImeConfirmComposition(text,
                                                gfx::Range::InvalidRange(),
                                                false);
 }
 
-void RenderWidgetHostViewWin::InsertChar(char16 ch, int flags) {
+void RenderWidgetHostViewWin::InsertChar(base::char16 ch, int flags) {
   if (!base::win::IsTSFAwareRequired()) {
     NOTREACHED();
     return;
   }
   // TODO(nona): Implement this function.
   NOTIMPLEMENTED();
 }
 
 gfx::NativeWindow RenderWidgetHostViewWin::GetAttachedWindow() const {
   return m_hWnd;
@@ skipping 2175 matching lines @@
   return new RenderWidgetHostViewWin(widget);
 }
 
 // static
 void RenderWidgetHostViewPort::GetDefaultScreenInfo(
       blink::WebScreenInfo* results) {
   GetScreenInfoForWindow(0, results);
 }
 
 }  // namespace content