Added more detailed result codes for CreateViewCommandBuffer.

content/common/gpu/client/gpu_channel_host.h

Index: content/common/gpu/client/gpu_channel_host.h
diff --git a/content/common/gpu/client/gpu_channel_host.h b/content/common/gpu/client/gpu_channel_host.h
index 4f5b74f010d3ad22d4ee963a1751d5cf4ace05b1..07d5a612ef94a0c60d57d4d00b3c04e3026230d6 100644
--- a/content/common/gpu/client/gpu_channel_host.h
+++ b/content/common/gpu/client/gpu_channel_host.h
@@ -17,6 +17,7 @@
 #include "base/synchronization/lock.h"
 #include "content/common/content_export.h"
 #include "content/common/gpu/gpu_process_launch_causes.h"
+#include "content/common/gpu/gpu_result_codes.h"
 #include "content/common/message_router.h"
 #include "gpu/config/gpu_info.h"
 #include "ipc/ipc_channel_handle.h"
@@ -68,7 +69,7 @@ class CONTENT_EXPORT GpuChannelHostFactory {
   virtual base::MessageLoop* GetMainLoop() = 0;
   virtual scoped_refptr<base::MessageLoopProxy> GetIOLoopProxy() = 0;
   virtual scoped_ptr<base::SharedMemory> AllocateSharedMemory(size_t size) = 0;
-  virtual bool CreateViewCommandBuffer(
+  virtual CreateCommandBufferResult CreateViewCommandBuffer(
       int32 surface_id,
       const GPUCreateCommandBufferConfig& init_params,
       int32 route_id) = 0;