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

content/browser/renderer_host/render_widget_host_view_aura.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_RENDER_WIDGET_HOST_VIEW_AURA_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_AURA_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 242 matching lines @@
       gfx::NativeViewAccessible accessible_parent) OVERRIDE;
   virtual gfx::NativeViewId GetParentForWindowlessPlugin() const OVERRIDE;
 #endif
 
   // Overridden from ui::TextInputClient:
   virtual void SetCompositionText(
       const ui::CompositionText& composition) OVERRIDE;
   virtual void ConfirmCompositionText() OVERRIDE;
   virtual void ClearCompositionText() OVERRIDE;
   virtual void InsertText(const base::string16& text) OVERRIDE;
-  virtual void InsertChar(char16 ch, int flags) OVERRIDE;
+  virtual void InsertChar(base::char16 ch, int flags) OVERRIDE;
   virtual gfx::NativeWindow GetAttachedWindow() const OVERRIDE;
   virtual ui::TextInputType GetTextInputType() const OVERRIDE;
   virtual ui::TextInputMode GetTextInputMode() const OVERRIDE;
   virtual bool CanComposeInline() const OVERRIDE;
   virtual gfx::Rect GetCaretBounds() const OVERRIDE;
   virtual bool GetCompositionCharacterBounds(uint32 index,
                                              gfx::Rect* rect) const OVERRIDE;
   virtual bool HasCompositionText() const OVERRIDE;
   virtual bool GetTextRange(gfx::Range* range) const OVERRIDE;
   virtual bool GetCompositionTextRange(gfx::Range* range) const OVERRIDE;
@@ skipping 517 matching lines @@
   // passed to windowless plugins like Flash/Silverlight, etc as the
   // container window.
   HWND plugin_parent_window_;
 #endif
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAura);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_AURA_H_