Migrate content/ files to histogram_macros.h includes.

content/browser/android/content_video_view.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 "content/browser/android/content_video_view.h"
 
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
-#include "base/metrics/histogram.h"
+#include "base/metrics/histogram_macros.h"
 #include "content/browser/android/content_view_core_impl.h"
 #include "content/browser/media/android/browser_media_player_manager.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/common/content_switches.h"
 #include "jni/ContentVideoView_jni.h"
 
 using base::android::AttachCurrentThread;
 using base::android::CheckException;
 using base::android::JavaParamRef;
 using base::android::ScopedJavaGlobalRef;
@@ skipping 149 matching lines @@
   if (j_content_view_core.is_null())
     return JavaObjectWeakGlobalRef(env, nullptr);
 
   return JavaObjectWeakGlobalRef(
       env, Java_ContentVideoView_createContentVideoView(
                env, j_content_view_core, reinterpret_cast<intptr_t>(this),
                video_natural_size.width(), video_natural_size.height())
                .obj());
 }
 }  // namespace content