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

content/browser/media/capture/content_video_capture_device_core.cc

 // Copyright 2014 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/content_video_capture_device_core.h"
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/callback_forward.h"
 #include "base/callback_helpers.h"
@@ skipping 17 matching lines @@
 #include "media/base/video_frame_metadata.h"
 #include "media/base/video_util.h"
 #include "ui/gfx/geometry/rect.h"
 
 namespace content {
 
 namespace {
 
 void DeleteCaptureMachineOnUIThread(
     scoped_ptr<VideoCaptureMachine> capture_machine) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   capture_machine.reset();
 }
 
 }  // namespace
 
 ThreadSafeCaptureOracle::ThreadSafeCaptureOracle(
     scoped_ptr<media::VideoCaptureDevice::Client> client,
     const media::VideoCaptureParams& params)
     : client_(client.Pass()),
@@ skipping 292 matching lines @@
     return;
 
   if (oracle_proxy_.get())
     oracle_proxy_->ReportError(reason);
 
   StopAndDeAllocate();
   TransitionStateTo(kError);
 }
 
 }  // namespace content