Fix latency tests

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.
 
 #if defined(ENABLE_GPU)
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 188 matching lines @@
     delayed_work_scheduled_ = true;
     MessageLoop::current()->PostDelayedTask(
         FROM_HERE,
         base::Bind(&GpuCommandBufferStub::PollWork,
                    AsWeakPtr()),
         base::TimeDelta::FromMilliseconds(delay));
   }
 }
 
 void GpuCommandBufferStub::OnEcho(const IPC::Message& message) {
-  // For latency_tests.cc:
-  UNSHIPPED_TRACE_EVENT_INSTANT0("test_gpu", "CompositorSwapBuffersComplete");
   TRACE_EVENT0("gpu", "GpuCommandBufferStub::OnEcho");
   Send(new IPC::Message(message));
 }
 
 void GpuCommandBufferStub::DelayEcho(IPC::Message* message) {
   delayed_echos_.push_back(message);
 }
 
 void GpuCommandBufferStub::OnReschedule() {
   if (!IsScheduled())
@@ skipping 548 matching lines @@
     const GpuMemoryAllocation& allocation) {
   Send(new GpuCommandBufferMsg_SetMemoryAllocation(route_id_, allocation));
   // This can be called outside of OnMessageReceived, so the context needs to be
   // made current before calling methods on the surface.
   if (!surface_ || !MakeCurrent())
     return;
   surface_->SetFrontbufferAllocation(allocation.suggest_have_frontbuffer);
 }
 
 #endif  // defined(ENABLE_GPU)