win: Fix another small language violation found by clang.

base/win/scoped_com_initializer.h

 // Copyright (c) 2011 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 BASE_WIN_SCOPED_COM_INITIALIZER_H_
 #define BASE_WIN_SCOPED_COM_INITIALIZER_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/logging.h"
@@ skipping 16 matching lines @@
   // Constructor for STA initialization.
   ScopedCOMInitializer() {
     Initialize(COINIT_APARTMENTTHREADED);
   }
 
   // Constructor for MTA initialization.
   explicit ScopedCOMInitializer(SelectMTA mta) {
     Initialize(COINIT_MULTITHREADED);
   }
 
-  ScopedCOMInitializer::~ScopedCOMInitializer() {
+  ~ScopedCOMInitializer() {
 #ifndef NDEBUG
     // Using the windows API directly to avoid dependency on platform_thread.
     DCHECK_EQ(GetCurrentThreadId(), thread_id_);
 #endif
     if (SUCCEEDED(hr_))
       CoUninitialize();
   }
 
   bool succeeded() const { return SUCCEEDED(hr_); }
 
@@ skipping 38 matching lines @@
  private:
   DISALLOW_COPY_AND_ASSIGN(ScopedCOMInitializer);
 };
 
 }  // namespace win
 }  // namespace base
 
 #endif
 
 #endif  // BASE_WIN_SCOPED_COM_INITIALIZER_H_