Migrate chrome/browser files to histogram_macros.h includes.

chrome/browser/sessions/session_service.cc

 // Copyright (c) 2012 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/sessions/session_service.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <set>
 #include <utility>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
-#include "base/metrics/histogram.h"
+#include "base/metrics/histogram_macros.h"
 #include "base/pickle.h"
 #include "base/threading/thread.h"
 #include "build/build_config.h"
 #include "chrome/browser/background/background_mode_manager.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/defaults.h"
 #include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/browser/prefs/session_startup_pref.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 1067 matching lines @@
   for (auto* browser : *BrowserList::GetInstance()) {
     if (browser->profile() == profile())
       return;
   }
   DeleteSessionOnlyData(profile());
 }
 
 sessions::BaseSessionService* SessionService::GetBaseSessionServiceForTest() {
   return base_session_service_.get();
 }