favor DCHECK_CURRENTLY_ON for better logs in content/browser/[f-p]*

content/browser/media/capture/desktop_capture_device_aura.cc

 // Copyright 2013 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/media/capture/desktop_capture_device_aura.h"
 
 #include "base/logging.h"
 #include "base/timer/timer.h"
 #include "content/browser/media/capture/aura_window_capture_machine.h"
 #include "content/browser/media/capture/content_video_capture_device_core.h"
 #include "content/public/browser/browser_thread.h"
 #include "ui/aura/window.h"
 
 namespace content {
 
 namespace {
 
 void SetCaptureSource(AuraWindowCaptureMachine* machine,
                       const DesktopMediaID& source) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   aura::Window* window = DesktopMediaID::GetAuraWindowById(source);
   machine->SetWindow(window);
 }
 
 }  // namespace
 
 DesktopCaptureDeviceAura::DesktopCaptureDeviceAura(
     const DesktopMediaID& source) {
   AuraWindowCaptureMachine* machine = new AuraWindowCaptureMachine();
@@ skipping 19 matching lines @@
     scoped_ptr<Client> client) {
   DVLOG(1) << "Allocating " << params.requested_format.frame_size.ToString();
   core_->AllocateAndStart(params, client.Pass());
 }
 
 void DesktopCaptureDeviceAura::StopAndDeAllocate() {
   core_->StopAndDeAllocate();
 }
 
 }  // namespace content