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

content/browser/accessibility/browser_accessibility_win.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_ACCESSIBILITY_BROWSER_ACCESSIBILITY_WIN_H_
 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_WIN_H_
 
 #include <atlbase.h>
 #include <atlcom.h>
 #include <oleacc.h>
@@ skipping 64 matching lines @@
     COM_INTERFACE_ENTRY(ISimpleDOMDocument)
     COM_INTERFACE_ENTRY(ISimpleDOMNode)
     COM_INTERFACE_ENTRY(ISimpleDOMText)
     COM_INTERFACE_ENTRY(IAccessibleEx)
     COM_INTERFACE_ENTRY(IRawElementProviderSimple)
   END_COM_MAP()
 
   // Represents a non-static text node in IAccessibleHypertext. This character
   // is embedded in the response to IAccessibleText::get_text, indicating the
   // position where a non-static text child object appears.
-  CONTENT_EXPORT static const char16 kEmbeddedCharacter[];
+  CONTENT_EXPORT static const base::char16 kEmbeddedCharacter[];
 
   // Mappings from roles and states to human readable strings. Initialize
   // with |InitializeStringMaps|.
   static std::map<int32, base::string16> role_string_map;
   static std::map<int32, base::string16> state_string_map;
 
   CONTENT_EXPORT BrowserAccessibilityWin();
 
   CONTENT_EXPORT virtual ~BrowserAccessibilityWin();
 
@@ skipping 802 matching lines @@
   // Give BrowserAccessibility::Create access to our constructor.
   friend class BrowserAccessibility;
   friend class BrowserAccessibilityRelation;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityWin);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_WIN_H_