Convert ARRAYSIZE_UNSAFE -> arraysize in chrome/browser/.

chrome/browser/media/media_stream_devices_controller.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/media/media_stream_devices_controller.h"
 
 #include "base/metrics/histogram.h"
 #include "base/prefs/scoped_user_pref_update.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
@@ skipping 444 matching lines @@
     const char* list_policy_name;
     ContentSettingsType settings_type;
   } device_checks[] = {
     { IsDeviceAudioCaptureRequestedAndAllowed(), prefs::kAudioCaptureAllowed,
       prefs::kAudioCaptureAllowedUrls, CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC },
     { IsDeviceVideoCaptureRequestedAndAllowed(), prefs::kVideoCaptureAllowed,
       prefs::kVideoCaptureAllowedUrls,
       CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA },
   };
 
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(device_checks); ++i) {
+  for (size_t i = 0; i < arraysize(device_checks); ++i) {
     if (!device_checks[i].has_capability)
       continue;
 
     MediaStreamDevicePolicy policy =
         GetDevicePolicy(profile_,
                         request_.security_origin,
                         device_checks[i].policy_name,
                         device_checks[i].list_policy_name);
 
     if (policy == ALWAYS_DENY)
@@ skipping 141 matching lines @@
 }
 
 bool MediaStreamDevicesController::IsCaptureDeviceRequestAllowed() const {
 #if defined(OS_ANDROID)
   // Don't approve device requests if the tab was hidden.
   // TODO(qinmin): Add a test for this. http://crbug.com/396869.
   return web_contents_->GetRenderWidgetHostView()->IsShowing();
 #endif
   return true;
 }