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

content/browser/pepper_flash_settings_helper_impl.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/pepper_flash_settings_helper_impl.h"
 
 #include "base/files/file_path.h"
 #include "content/browser/plugin_service_impl.h"
 #include "content/public/browser/browser_thread.h"
 #include "ipc/ipc_channel_handle.h"
 
 namespace content {
 
 // static
 scoped_refptr<PepperFlashSettingsHelper> PepperFlashSettingsHelper::Create() {
   return new PepperFlashSettingsHelperImpl();
 }
 
 PepperFlashSettingsHelperImpl::PepperFlashSettingsHelperImpl() {
 }
 
 PepperFlashSettingsHelperImpl::~PepperFlashSettingsHelperImpl() {
 }
 
 void PepperFlashSettingsHelperImpl::OpenChannelToBroker(
     const base::FilePath& path,
     const OpenChannelCallback& callback) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
   if (callback.is_null())
     return;
   if (!callback_.is_null())
     callback.Run(false, IPC::ChannelHandle());
 
   // Balanced in OnPpapiChannelOpened(). We need to keep this object around
   // until then.
   AddRef();
 
   callback_ = callback;
   PluginServiceImpl* plugin_service = PluginServiceImpl::GetInstance();
   plugin_service->OpenChannelToPpapiBroker(0, path, this);
 }
 
 void PepperFlashSettingsHelperImpl::GetPpapiChannelInfo(
     base::ProcessHandle* renderer_handle,
     int* renderer_id) {
   *renderer_handle = base::kNullProcessHandle;
   *renderer_id = 0;
 }
 
 void PepperFlashSettingsHelperImpl::OnPpapiChannelOpened(
     const IPC::ChannelHandle& channel_handle,
     base::ProcessId /* plugin_pid */,
     int /* plugin_child_id */) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
   DCHECK(!callback_.is_null());
 
   if (!channel_handle.name.empty())
     callback_.Run(true, channel_handle);
   else
     callback_.Run(false, IPC::ChannelHandle());
 
   callback_.Reset();
   // Balance the AddRef() call in Initialize().
   Release();
 }
 
 bool PepperFlashSettingsHelperImpl::OffTheRecord() {
   return false;
 }
 
 }  // namespace content