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

chrome/browser/chrome_browser_main_mac.mm

 // 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_mac.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/command_line.h"
 #include "base/debug/debugger.h"
 #include "base/file_path.h"
 #include "base/mac/mac_util.h"
 #include "base/memory/scoped_nsobject.h"
 #include "base/path_service.h"
 #include "chrome/app/breakpad_mac.h"
 #import "chrome/browser/app_controller_mac.h"
 #import "chrome/browser/chrome_browser_application_mac.h"
 #import "chrome/browser/mac/keystone_glue.h"
 #include "chrome/browser/metrics/metrics_service.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "content/common/main_function_params.h"
 #include "content/common/result_codes.h"
 #include "ui/base/l10n/l10n_util_mac.h"
 #include "ui/base/resource/resource_bundle.h"
 
+namespace content {
+
+void DidEndMainMessageLoop() {
+  AppController* appController = [NSApp delegate];
+  [appController didEndMainMessageLoop];
+}
+
+}
+
 void RecordBreakpadStatusUMA(MetricsService* metrics) {
   metrics->RecordBreakpadRegistration(IsCrashReporterEnabled());
   metrics->RecordBreakpadHasDebugger(base::debug::BeingDebugged());
 }
 
 void RecordBrowserStartupTime() {
   // Not implemented on Mac for now.
 }
 
 void WarnAboutMinimumSystemRequirements() {
@@ skipping 83 matching lines @@
 
   // This is a no-op if the KeystoneRegistration framework is not present.
   // The framework is only distributed with branded Google Chrome builds.
   [[KeystoneGlue defaultKeystoneGlue] registerWithKeystone];
 
   // Prevent Cocoa from turning command-line arguments into
   // |-application:openFiles:|, since we already handle them directly.
   [[NSUserDefaults standardUserDefaults]
       setObject:@"NO" forKey:@"NSTreatUnknownArgumentsAsOpen"];
 }
-
-void ChromeBrowserMainPartsMac::PostMainMessageLoopRun() {
-  ChromeBrowserMainPartsPosix::PostMainMessageLoopRun();
-
-  //AppController* appController = [NSApp delegate];
-  //[appController didEndMainMessageLoop];
-}