Attempt four at landing the "histogram.h removed from message_loop.h" patch.

chrome/browser/browser_init.cc

 // Copyright (c) 2010 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/browser_init.h"
 
 #include <algorithm>   // For max().
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/env_var.h"
 #include "base/event_recorder.h"
+#include "base/histogram.h"
 #include "base/path_service.h"
 #include "base/scoped_ptr.h"
 #include "chrome/browser/automation/automation_provider.h"
 #include "chrome/browser/automation/chrome_frame_automation_provider.h"
 #include "chrome/browser/browser_list.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_window.h"
 #include "chrome/browser/child_process_security_policy.h"
 #include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/defaults.h"
@@ skipping 1040 matching lines @@
   scoped_refptr<AutomationProviderClass> automation =
       new AutomationProviderClass(profile);
   automation->ConnectToChannel(channel_id);
   automation->SetExpectedTabCount(expected_tabs);
 
   AutomationProviderList* list =
       g_browser_process->InitAutomationProviderList();
   DCHECK(list);
   list->AddProvider(automation);
 }