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

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 268 matching lines @@
     return true;
   }
 
   host->ForceShutdown();
   return false;
 }
 
 // static
 GpuProcessHost* GpuProcessHost::Get(GpuProcessKind kind,
                                     CauseForGpuLaunch cause) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
   // Don't grant further access to GPU if it is not allowed.
   GpuDataManagerImpl* gpu_data_manager = GpuDataManagerImpl::GetInstance();
   DCHECK(gpu_data_manager);
   if (!gpu_data_manager->GpuAccessAllowed(NULL))
     return NULL;
 
   if (g_gpu_process_hosts[kind] && ValidateHost(g_gpu_process_hosts[kind]))
     return g_gpu_process_hosts[kind];
 
@@ skipping 53 matching lines @@
 
 GpuMainThreadFactoryFunction g_gpu_main_thread_factory = NULL;
 
 void GpuProcessHost::RegisterGpuMainThreadFactory(
     GpuMainThreadFactoryFunction create) {
   g_gpu_main_thread_factory = create;
 }
 
 // static
 GpuProcessHost* GpuProcessHost::FromID(int host_id) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
   for (int i = 0; i < GPU_PROCESS_KIND_COUNT; ++i) {
     GpuProcessHost* host = g_gpu_process_hosts[i];
     if (host && host->host_id_ == host_id && ValidateHost(host))
       return host;
   }
 
   return NULL;
 }
 
@@ skipping 716 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