Added more detailed result codes for CreateViewCommandBuffer.

content/browser/gpu/gpu_process_host.h

Index: content/browser/gpu/gpu_process_host.h
diff --git a/content/browser/gpu/gpu_process_host.h b/content/browser/gpu/gpu_process_host.h
index f0243a700db552544aaf29ce4359c94378dfd773..739a452a9174d55da9cd66155e6c373dfa3056e7 100644
--- a/content/browser/gpu/gpu_process_host.h
+++ b/content/browser/gpu/gpu_process_host.h
@@ -19,6 +19,7 @@
 #include "content/common/content_export.h"
 #include "content/common/gpu/gpu_memory_uma_stats.h"
 #include "content/common/gpu/gpu_process_launch_causes.h"
+#include "content/common/gpu/gpu_result_codes.h"
 #include "content/public/browser/browser_child_process_host_delegate.h"
 #include "content/public/browser/gpu_data_manager.h"
 #include "gpu/command_buffer/common/constants.h"
@@ -63,7 +64,8 @@ class GpuProcessHost : public BrowserChildProcessHostDelegate,
   typedef base::Callback<void(const IPC::ChannelHandle&, const gpu::GPUInfo&)>
       EstablishChannelCallback;
 
-  typedef base::Callback<void(bool)> CreateCommandBufferCallback;
+  typedef base::Callback<void(CreateCommandBufferResult)>
+      CreateCommandBufferCallback;
 
   typedef base::Callback<void(const gfx::Size)> CreateImageCallback;