favor DCHECK_CURRENTLY_ON for better logs in content/browser

content/browser/gpu/gpu_process_host.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/gpu/gpu_process_host.h"
 
 #include "base/base64.h"
 #include "base/base_switches.h"
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 486 matching lines @@
 bool GpuProcessHost::Init() {
   init_start_time_ = base::TimeTicks::Now();
 
   TRACE_EVENT_INSTANT0("gpu", "LaunchGpuProcess", TRACE_EVENT_SCOPE_THREAD);
 
   std::string channel_id = process_->GetHost()->CreateChannel();
   if (channel_id.empty())
     return false;
 
   if (in_process_) {
-    DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+    DCHECK_CURRENTLY_ON(BrowserThread::IO);
     DCHECK(g_gpu_main_thread_factory);
     in_process_gpu_thread_.reset(
         g_gpu_main_thread_factory(InProcessChildThreadParams(
             channel_id, base::MessageLoop::current()->task_runner())));
     base::Thread::Options options;
 #if defined(OS_WIN)
     // WGL needs to create its own window and pump messages on it.
     options.message_loop_type = base::MessageLoop::TYPE_UI;
 #endif
     in_process_gpu_thread_->StartWithOptions(options);
@@ skipping 572 matching lines @@
   TRACE_EVENT0("gpu", "GpuProcessHost::OnCacheShader");
   ClientIdToShaderCacheMap::iterator iter =
       client_id_to_shader_cache_.find(client_id);
   // If the cache doesn't exist then this is an off the record profile.
   if (iter == client_id_to_shader_cache_.end())
     return;
   iter->second->Cache(GetShaderPrefixKey() + ":" + key, shader);
 }
 
 }  // namespace content