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

ui/base/clipboard/clipboard_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.
 
 // Many of these functions are based on those found in
 // webkit/port/platform/PasteboardWin.cpp
 
 #include "ui/base/clipboard/clipboard.h"
 
 #include <shlobj.h>
@@ skipping 426 matching lines @@
 
   // Acquire the clipboard.
   ScopedClipboard clipboard;
   if (!clipboard.Acquire(GetClipboardWindow()))
     return;
 
   HANDLE data = ::GetClipboardData(CF_UNICODETEXT);
   if (!data)
     return;
 
-  result->assign(static_cast<const char16*>(::GlobalLock(data)));
+  result->assign(static_cast<const base::char16*>(::GlobalLock(data)));
   ::GlobalUnlock(data);
 }
 
 void Clipboard::ReadAsciiText(ClipboardType type, std::string* result) const {
   DCHECK_EQ(type, CLIPBOARD_TYPE_COPY_PASTE);
   if (!result) {
     NOTREACHED();
     return;
   }
 
@@ skipping 167 matching lines @@
 
   // Acquire the clipboard.
   ScopedClipboard clipboard;
   if (!clipboard.Acquire(GetClipboardWindow()))
     return;
 
   HANDLE data = ::GetClipboardData(GetUrlWFormatType().ToUINT());
   if (!data)
     return;
 
-  base::string16 bookmark(static_cast<const char16*>(::GlobalLock(data)));
+  base::string16 bookmark(static_cast<const base::char16*>(::GlobalLock(data)));
   ::GlobalUnlock(data);
 
   ParseBookmarkClipboardFormat(bookmark, title, url);
 }
 
 void Clipboard::ReadData(const FormatType& format, std::string* result) const {
   if (!result) {
     NOTREACHED();
     return;
   }
@@ skipping 179 matching lines @@
   if (!clipboard_owner_)
     return NULL;
 
   if (clipboard_owner_->hwnd() == NULL)
     clipboard_owner_->Create(base::Bind(&ClipboardOwnerWndProc));
 
   return clipboard_owner_->hwnd();
 }
 
 }  // namespace ui