Remove parts of //cc we aren't using

cc/output/managed_memory_policy.h

-// Copyright 2013 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.
-
-#ifndef CC_OUTPUT_MANAGED_MEMORY_POLICY_H_
-#define CC_OUTPUT_MANAGED_MEMORY_POLICY_H_
-
-#include "base/basictypes.h"
-#include "cc/base/cc_export.h"
-#include "cc/resources/tile_priority.h"
-#include "gpu/command_buffer/common/gpu_memory_allocation.h"
-
-namespace cc {
-
-struct CC_EXPORT ManagedMemoryPolicy {
-  static const size_t kDefaultNumResourcesLimit;
-
-  explicit ManagedMemoryPolicy(size_t bytes_limit_when_visible);
-  explicit ManagedMemoryPolicy(
-      const gpu::MemoryAllocation& allocation);
-  ManagedMemoryPolicy(
-      size_t bytes_limit_when_visible,
-      gpu::MemoryAllocation::PriorityCutoff priority_cutoff_when_visible,
-      size_t num_resources_limit);
-  bool operator==(const ManagedMemoryPolicy&) const;
-  bool operator!=(const ManagedMemoryPolicy&) const;
-
-  size_t bytes_limit_when_visible;
-  gpu::MemoryAllocation::PriorityCutoff priority_cutoff_when_visible;
-  size_t num_resources_limit;
-
-  static int PriorityCutoffToValue(
-      gpu::MemoryAllocation::PriorityCutoff priority_cutoff);
-  static TileMemoryLimitPolicy PriorityCutoffToTileMemoryLimitPolicy(
-      gpu::MemoryAllocation::PriorityCutoff priority_cutoff);
-};
-
-}  // namespace cc
-
-#endif  // CC_OUTPUT_MANAGED_MEMORY_POLICY_H_