gpu: Fix some context lost marking glitches+leaks and add UMA stats

content/common/gpu/gpu_messages.h

 // 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.
 
 // Multiply-included message file, hence no include guard here, but see below
 // for a much smaller-than-usual include guard section.
 
 #include <string>
 #include <vector>
 
@@ skipping 36 matching lines @@
 IPC_ENUM_TRAITS_MAX_VALUE(content::CauseForGpuLaunch,
                           content::CAUSE_FOR_GPU_LAUNCH_MAX_ENUM - 1)
 IPC_ENUM_TRAITS_MAX_VALUE(content::CreateCommandBufferResult,
                           content::CREATE_COMMAND_BUFFER_RESULT_LAST)
 IPC_ENUM_TRAITS_MAX_VALUE(gfx::GpuPreference,
                           gfx::GpuPreferenceLast)
 IPC_ENUM_TRAITS_MAX_VALUE(gfx::SurfaceType,
                           gfx::SURFACE_TYPE_LAST)
 IPC_ENUM_TRAITS_MAX_VALUE(gpu::MemoryAllocation::PriorityCutoff,
                           gpu::MemoryAllocation::CUTOFF_LAST)
+IPC_ENUM_TRAITS_MAX_VALUE(gpu::error::Error, gpu::error::kErrorLast)
 IPC_ENUM_TRAITS_MAX_VALUE(gpu::error::ContextLostReason,
                           gpu::error::kContextLostReasonLast)
 IPC_ENUM_TRAITS_MAX_VALUE(media::VideoEncodeAccelerator::Error,
                           media::VideoEncodeAccelerator::kErrorMax)
 IPC_ENUM_TRAITS_MAX_VALUE(media::VideoFrame::Format,
                           media::VideoFrame::FORMAT_MAX)
 IPC_ENUM_TRAITS_MIN_MAX_VALUE(media::VideoCodecProfile,
                               media::VIDEO_CODEC_PROFILE_MIN,
                               media::VIDEO_CODEC_PROFILE_MAX)
 IPC_ENUM_TRAITS_MIN_MAX_VALUE(gpu::CollectInfoResult,
@@ skipping 478 matching lines @@
 IPC_SYNC_MESSAGE_ROUTED5_1(GpuCommandBufferMsg_CreateVideoEncoder,
                            media::VideoFrame::Format /* input_format */,
                            gfx::Size /* input_visible_size */,
                            media::VideoCodecProfile /* output_profile */,
                            uint32 /* initial_bitrate */,
                            int32, /* route_id */
                            bool /* succeeded */)
 
 // Tells the proxy that there was an error and the command buffer had to be
 // destroyed for some reason.
-IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_Destroyed,
-                    gpu::error::ContextLostReason /* reason */)
+IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_Destroyed,
+                    gpu::error::ContextLostReason, /* reason */
+                    gpu::error::Error /* error */)
 
 // Tells the browser that SwapBuffers returned and passes latency info
 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SwapBuffersCompleted,
                     std::vector<ui::LatencyInfo> /* latency_info */)
 
 // Tells the browser about updated parameters for vsync alignment.
 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_UpdateVSyncParameters,
                     base::TimeTicks /* timebase */,
                     base::TimeDelta /* interval */)
 
@@ skipping 175 matching lines @@
                     int32 /* bitstream_buffer_id */,
                     uint32 /* payload_size */,
                     bool /* key_frame */)
 
 // Report error condition.
 IPC_MESSAGE_ROUTED1(AcceleratedVideoEncoderHostMsg_NotifyError,
                     media::VideoEncodeAccelerator::Error /* error */)
 
 // Send destroy request to the encoder.
 IPC_MESSAGE_ROUTED0(AcceleratedVideoEncoderMsg_Destroy)