Revert of Mustash: move content::GPUVideoMemoryUsageStats to gpu::VideoMemoryUsageStats

gpu/ipc/common/memory_stats.cc

Index: gpu/ipc/common/memory_stats.cc
diff --git a/gpu/ipc/common/memory_stats.cc b/gpu/ipc/common/memory_stats.cc
deleted file mode 100644
index af55e48b885e142fa9c0ed83244d9e7dd31aa0a0..0000000000000000000000000000000000000000
--- a/gpu/ipc/common/memory_stats.cc
+++ /dev/null
@@ -1,19 +0,0 @@
-// 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 "gpu/ipc/common/memory_stats.h"
-
-namespace gpu {
-
-VideoMemoryUsageStats::VideoMemoryUsageStats()
-    : bytes_allocated(0), bytes_allocated_historical_max(0) {}
-
-VideoMemoryUsageStats::~VideoMemoryUsageStats() {}
-
-VideoMemoryUsageStats::ProcessStats::ProcessStats()
-    : video_memory(0), has_duplicates(false) {}
-
-VideoMemoryUsageStats::ProcessStats::~ProcessStats() {}
-
-}  // namespace gpu