Removed unnecessary call to initialize the COM library

chrome/browser/metrics/thread_watcher.cc

 // 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.
 
 #include <math.h>  // ceil
 
 #include "base/string_tokenizer.h"
 #include "base/threading/thread_restrictions.h"
 #include "build/build_config.h"
 #include "chrome/browser/metrics/metrics_service.h"
@@ skipping 631 matching lines @@
   }
   delete task;
 
   return false;
 }
 
 void WatchDogThread::Init() {
   // This thread shouldn't be allowed to perform any blocking disk I/O.
   base::ThreadRestrictions::SetIOAllowed(false);
 
-#if defined(OS_WIN)
-  // Initializes the COM library on the current thread.
-  HRESULT result = CoInitialize(NULL);
-  CHECK(result == S_OK);
-#endif
-
   base::AutoLock lock(lock_);
   CHECK(!watchdog_thread_);
   watchdog_thread_ = this;
 }
 
 void WatchDogThread::CleanUp() {
   base::AutoLock lock(lock_);
   watchdog_thread_ = NULL;
 }
-
-void WatchDogThread::CleanUpAfterMessageLoopDestruction() {
-#if defined(OS_WIN)
-  // Closes the COM library on the current thread. CoInitialize must be balanced
-  // by a corresponding call to CoUninitialize.
-  CoUninitialize();
-#endif
-}