Harden CommandBufferProxyImpl

content/common/gpu/client/command_buffer_metrics.cc

 // Copyright 2015 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 "content/common/gpu/client/command_buffer_metrics.h"
 
 #include "base/metrics/histogram.h"
 
 namespace content {
 
 namespace {
 
 enum CommandBufferContextLostReason {
   // Don't add new values here.
   CONTEXT_INIT_FAILED,
   CONTEXT_LOST_GPU_CHANNEL_ERROR,
   CONTEXT_PARSE_ERROR_INVALID_SIZE,
   CONTEXT_PARSE_ERROR_OUT_OF_BOUNDS,
   CONTEXT_PARSE_ERROR_UNKNOWN_COMMAND,
   CONTEXT_PARSE_ERROR_INVALID_ARGS,
   CONTEXT_PARSE_ERROR_GENERIC_ERROR,
   CONTEXT_LOST_GUILTY,
   CONTEXT_LOST_INNOCENT,
   CONTEXT_LOST_UNKNOWN,
   CONTEXT_LOST_OUT_OF_MEMORY,
   CONTEXT_LOST_MAKECURRENT_FAILED,
+  CONTEXT_LOST_INVALID_GPU_MESSAGE,
   // Add new values here and update _MAX_ENUM.
-  CONTEXT_LOST_REASON_MAX_ENUM = CONTEXT_LOST_MAKECURRENT_FAILED
+  // Also update //tools/metrics/histograms/histograms.xml
+  CONTEXT_LOST_REASON_MAX_ENUM = CONTEXT_LOST_INVALID_GPU_MESSAGE
 };
 
 CommandBufferContextLostReason GetContextLostReason(
     gpu::error::Error error,
     gpu::error::ContextLostReason reason) {
   if (error == gpu::error::kLostContext) {
     switch (reason) {
       case gpu::error::kGuilty:
         return CONTEXT_LOST_GUILTY;
       case gpu::error::kInnocent:
         return CONTEXT_LOST_INNOCENT;
       case gpu::error::kUnknown:
         return CONTEXT_LOST_UNKNOWN;
       case gpu::error::kOutOfMemory:
         return CONTEXT_LOST_OUT_OF_MEMORY;
       case gpu::error::kMakeCurrentFailed:
         return CONTEXT_LOST_MAKECURRENT_FAILED;
       case gpu::error::kGpuChannelLost:
         return CONTEXT_LOST_GPU_CHANNEL_ERROR;
+      case gpu::error::kInvalidGpuMessage:
+        return CONTEXT_LOST_INVALID_GPU_MESSAGE;
     }
   }
   switch (error) {
       case gpu::error::kInvalidSize:
         return CONTEXT_PARSE_ERROR_INVALID_SIZE;
       case gpu::error::kOutOfBounds:
         return CONTEXT_PARSE_ERROR_OUT_OF_BOUNDS;
       case gpu::error::kUnknownCommand:
         return CONTEXT_PARSE_ERROR_UNKNOWN_COMMAND;
       case gpu::error::kInvalidArguments:
@@ skipping 92 matching lines @@
 
 void UmaRecordContextLost(CommandBufferContextType type,
                           gpu::error::Error error,
                           gpu::error::ContextLostReason reason) {
   CommandBufferContextLostReason converted_reason =
       GetContextLostReason(error, reason);
   RecordContextLost(type, converted_reason);
 }
 
 }  // namespace content