Remove GPU memory UMAs

gpu/ipc/service/gpu_channel_test_common.cc

 // Copyright (c) 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 "gpu/ipc/service/gpu_channel_test_common.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/test/test_simple_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "gpu/command_buffer/service/sync_point_manager.h"
@@ skipping 15 matching lines @@
 void TestGpuChannelManagerDelegate::DidDestroyChannel(int client_id) {}
 
 void TestGpuChannelManagerDelegate::DidDestroyOffscreenContext(
     const GURL& active_url) {}
 
 void TestGpuChannelManagerDelegate::DidLoseContext(
     bool offscreen,
     error::ContextLostReason reason,
     const GURL& active_url) {}
 
-void TestGpuChannelManagerDelegate::GpuMemoryUmaStats(
-    const GPUMemoryUmaStats& params) {}
-
 void TestGpuChannelManagerDelegate::StoreShaderToDisk(
     int32_t client_id,
     const std::string& key,
     const std::string& shader) {}
 
 #if defined(OS_WIN)
 void TestGpuChannelManagerDelegate::SendAcceleratedSurfaceCreatedChildWindow(
     SurfaceHandle parent_window,
     SurfaceHandle child_window) {}
 #endif
@@ skipping 100 matching lines @@
       io_task_runner_.get(), sync_point_manager_.get(), nullptr));
 }
 
 void GpuChannelTestCommon::TearDown() {
   // Destroying channels causes tasks to run on the IO task runner.
   channel_manager_ = nullptr;
 }
 
 
 }  // namespace gpu