[chrome/browser/media] favor DCHECK_CURRENTLY_ON for better logs

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 574 matching lines @@
           MEDIA_BLOCKED_BY_USER_SETTING;
     } else {
       ++requested_devices;
     }
   }
 
   return requested_devices;
 }
 
 bool MediaStreamDevicesController::IsDefaultMediaAccessBlocked() const {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
   return (profile_->GetHostContentSettingsMap()->GetDefaultContentSetting(
               CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC, NULL)
           == CONTENT_SETTING_BLOCK &&
           profile_->GetHostContentSettingsMap()->GetDefaultContentSetting(
               CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA, NULL)
           == CONTENT_SETTING_BLOCK);
 }
 
 bool MediaStreamDevicesController::IsSchemeSecure() const {
   return request_.security_origin.SchemeIsSecure() ||
       request_.security_origin.SchemeIs(extensions::kExtensionScheme);
 }
 
 void MediaStreamDevicesController::StorePermission(bool allowed) const {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
   ContentSettingsPattern primary_pattern =
       ContentSettingsPattern::FromURLNoWildcard(request_.security_origin);
   // Check the pattern is valid or not. When the request is from a file access,
   // no exception will be made.
   if (!primary_pattern.IsValid())
     return;
 
   ContentSetting content_setting = allowed ?
       CONTENT_SETTING_ALLOW : CONTENT_SETTING_BLOCK;
   if (request_permissions_.find(content::MEDIA_DEVICE_AUDIO_CAPTURE) !=
@@ skipping 62 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;
 }