Add bits to indicate which parts of GPUInfo are collected.

content/gpu/gpu_main.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 <stdlib.h>
 
 #if defined(OS_WIN)
 #include <dwmapi.h>
 #include <windows.h>
 #endif
@@ skipping 387 matching lines @@
   bool res = true;
   gpu::CollectInfoResult result = gpu::CollectContextGraphicsInfo(&gpu_info);
   switch (result) {
     case gpu::kCollectInfoFatalFailure:
       LOG(ERROR) << "gpu::CollectGraphicsInfo failed (fatal).";
       res = false;
       break;
     case gpu::kCollectInfoNonFatalFailure:
       VLOG(1) << "gpu::CollectGraphicsInfo failed (non-fatal).";
       break;
+    case gpu::kCollectInfoNone:
+      NOTREACHED();
+      break;
     case gpu::kCollectInfoSuccess:
       break;
   }
   GetContentClient()->SetGpuInfo(gpu_info);
   return res;
 }
 #endif
 
 #if defined(OS_LINUX)
 #if !defined(OS_CHROMEOS)
@@ skipping 94 matching lines @@
     return true;
   }
 
   return false;
 }
 #endif  // defined(OS_WIN)
 
 }  // namespace.
 
 }  // namespace content