Revert DidEndMainMessageLoop changes from my earlier checkin since they caused issues on Mac.

chrome/browser/chrome_browser_main_win.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 "chrome/browser/chrome_browser_main_win.h"
 
 #include <windows.h>
 #include <shellapi.h>
 
 #include <algorithm>
@@ skipping 21 matching lines @@
 #include "chrome/installer/util/install_util.h"
 #include "chrome/installer/util/shell_util.h"
 #include "content/common/main_function_params.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/message_box_win.h"
 #include "views/focus/accelerator_handler.h"
 #include "views/widget/widget.h"
 
+namespace content {
+
+void DidEndMainMessageLoop() {
+  OleUninitialize();
+}
+
+}
+
 namespace {
 
 typedef HRESULT (STDAPICALLTYPE* RegisterApplicationRestartProc)(
     const wchar_t* command_line,
     DWORD flags);
 
 void InitializeWindowProcExceptions() {
   // Get the breakpad pointer from chrome.exe
   base::win::WinProcExceptionFilter exception_filter =
       reinterpret_cast<base::win::WinProcExceptionFilter>(
@@ skipping 223 matching lines @@
     const MainFunctionParams& parameters)
     : ChromeBrowserMainParts(parameters) {
 }
 
 void ChromeBrowserMainPartsWin::PreMainMessageLoopStart() {
   if (!parameters().ui_task) {
     // Make sure that we know how to handle exceptions from the message loop.
     InitializeWindowProcExceptions();
   }
 }