Remove gpu side LatencyInfo merging

content/common/gpu/gpu_command_buffer_stub.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 "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/hash.h"
 #include "base/memory/shared_memory.h"
@@ skipping 549 matching lines @@
   Send(reply_message);
 
   if (handle_.is_null() && !active_url_.is_empty()) {
     GpuChannelManager* gpu_channel_manager = channel_->gpu_channel_manager();
     gpu_channel_manager->Send(new GpuHostMsg_DidCreateOffscreenContext(
         active_url_));
   }
 }
 
 void GpuCommandBufferStub::OnSetLatencyInfo(
-    const ui::LatencyInfo& latency_info) {
+    const std::vector<ui::LatencyInfo>& latency_info) {
+  if (!ui::LatencyInfo::Verify(latency_info,
+                               "GpuCommandBufferStub::OnSetLatencyInfo"))
+    return;
   if (!latency_info_callback_.is_null())
     latency_info_callback_.Run(latency_info);
 }
 
 void GpuCommandBufferStub::SetLatencyInfoCallback(
     const LatencyInfoCallback& callback) {
   latency_info_callback_ = callback;
 }
 
 int32 GpuCommandBufferStub::GetRequestedAttribute(int attr) const {
@@ skipping 380 matching lines @@
   if (decoder_)
     decoder_->LoseContext(GL_UNKNOWN_CONTEXT_RESET_ARB);
   command_buffer_->SetParseError(gpu::error::kLostContext);
 }
 
 uint64 GpuCommandBufferStub::GetMemoryUsage() const {
   return GetMemoryManager()->GetClientMemoryUsage(this);
 }
 
 }  // namespace content