Add a few missing "typename"s.

ui/base/dragdrop/os_exchange_data_provider_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 "ui/base/dragdrop/os_exchange_data_provider_win.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/file_path.h"
@@ skipping 810 matching lines @@
 
   STGMEDIUM* storage = new STGMEDIUM;
   storage->hGlobal = handle;
   storage->tymed = TYMED_HGLOBAL;
   storage->pUnkForRelease = NULL;
   return storage;
 }
 
 template<class T>
 static HGLOBAL CopyStringToGlobalHandle(const T& payload) {
-  int bytes = static_cast<int>(payload.size() + 1) * sizeof(T::value_type);
+  int bytes =
+      static_cast<int>(payload.size() + 1) * sizeof(typename T::value_type);
   HANDLE handle = GlobalAlloc(GPTR, bytes);
   void* data = GlobalLock(handle);
   size_t allocated = static_cast<size_t>(GlobalSize(handle));
   memcpy(data, payload.c_str(), allocated);
-  static_cast<T::value_type*>(data)[payload.size()] = '\0';
+  static_cast<typename T::value_type*>(data)[payload.size()] = '\0';
   GlobalUnlock(handle);
   return handle;
 }
 
 static STGMEDIUM* GetStorageForString16(const string16& data) {
   STGMEDIUM* storage = new STGMEDIUM;
   storage->hGlobal = CopyStringToGlobalHandle<string16>(data);
   storage->tymed = TYMED_HGLOBAL;
   storage->pUnkForRelease = NULL;
   return storage;
@@ skipping 93 matching lines @@
   return new OSExchangeDataProviderWin();
 }
 
 // static
 OSExchangeData::CustomFormat OSExchangeData::RegisterCustomFormat(
     const std::string& type) {
   return RegisterClipboardFormat(ASCIIToUTF16(type).c_str());
 }
 
 }  // namespace ui