Add bits to indicate which parts of GPUInfo are collected.

content/gpu/gpu_child_thread.cc

Index: content/gpu/gpu_child_thread.cc
diff --git a/content/gpu/gpu_child_thread.cc b/content/gpu/gpu_child_thread.cc
index 4f774464649fbf94d3de2315b105657b5d94cb01..301523fa36b9abefa30352b5b3f40deb7491fec8 100644
--- a/content/gpu/gpu_child_thread.cc
+++ b/content/gpu/gpu_child_thread.cc
@@ -197,6 +197,9 @@ void GpuChildThread::OnCollectGraphicsInfo() {
     case gpu::kCollectInfoNonFatalFailure:
       VLOG(1) << "gpu::CollectGraphicsInfo failed (non-fatal).";
       break;
+    case gpu::kCollectInfoNone:
+      NOTREACHED();
+      break;
     case gpu::kCollectInfoSuccess:
       break;
   }
@@ -207,7 +210,7 @@ void GpuChildThread::OnCollectGraphicsInfo() {
   // and GpuDataManager prevents us from sending multiple collecting requests,
   // so it's OK to be blocking.
   gpu::GetDxDiagnostics(&gpu_info_.dx_diagnostics);
-  gpu_info_.finalized = true;
+  gpu_info_.dx_diagnostics_info_state = gpu::kCollectInfoSuccess;
 #endif  // OS_WIN
 
   Send(new GpuHostMsg_GraphicsInfoCollected(gpu_info_));