Remove parts of //cc we aren't using

cc/test/fake_content_layer_impl.cc

-// Copyright 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 "cc/test/fake_content_layer_impl.h"
-
-namespace cc {
-
-FakeContentLayerImpl::FakeContentLayerImpl(
-    LayerTreeImpl* tree_impl,
-    int id,
-    scoped_refptr<LayerImpl::SyncedScrollOffset> synced_scroll_offset)
-    : TiledLayerImpl(tree_impl, id, synced_scroll_offset),
-      lost_output_surface_count_(0) {
-}
-
-FakeContentLayerImpl::~FakeContentLayerImpl() {}
-
-scoped_ptr<LayerImpl> FakeContentLayerImpl::CreateLayerImpl(
-    LayerTreeImpl* tree_impl) {
-  return FakeContentLayerImpl::Create(tree_impl, id(), synced_scroll_offset());
-}
-
-bool FakeContentLayerImpl::HaveResourceForTileAt(int i, int j) {
-  return HasResourceIdForTileAt(i, j);
-}
-
-void FakeContentLayerImpl::ReleaseResources() {
-  TiledLayerImpl::ReleaseResources();
-  ++lost_output_surface_count_;
-}
-
-}  // namespace cc