Add bits to indicate which parts of GPUInfo are collected.

content/gpu/gpu_child_thread.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/gpu/gpu_child_thread.h"
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
 #include "base/threading/worker_pool.h"
 #include "build/build_config.h"
@@ skipping 179 matching lines @@
   gpu::CollectInfoResult result =
       gpu::CollectContextGraphicsInfo(&gpu_info_);
   switch (result) {
     case gpu::kCollectInfoFatalFailure:
       LOG(ERROR) << "gpu::CollectGraphicsInfo failed (fatal).";
       // TODO(piman): can we signal overall failure?
       break;
     case gpu::kCollectInfoNonFatalFailure:
       VLOG(1) << "gpu::CollectGraphicsInfo failed (non-fatal).";
       break;
+    case gpu::kCollectInfoNone:
+      NOTIMPLEMENTED();

[piman, 2014/09/03 02:02:20]

nit: NOTREACHED()? I don't think it can happen.

[Zhenyao Mo, 2014/09/03 02:10:28]

Done.

+      break;
     case gpu::kCollectInfoSuccess:
       break;
   }
   GetContentClient()->SetGpuInfo(gpu_info_);
 
 #if defined(OS_WIN)
   // This is slow, but it's the only thing the unsandboxed GPU process does,
   // and GpuDataManager prevents us from sending multiple collecting requests,
   // so it's OK to be blocking.
   gpu::GetDxDiagnostics(&gpu_info_.dx_diagnostics);
@@ skipping 46 matching lines @@
     // the future posting of tasks to the message loop.
     if (watchdog_thread_->message_loop())
       watchdog_thread_->PostAcknowledge();
     // Prevent rearming.
     watchdog_thread_->Stop();
   }
 }
 
 }  // namespace content