Remove parts of //cc we aren't using

cc/resources/transform_display_item.cc

-// Copyright 2014 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/resources/transform_display_item.h"
-
-#include "base/strings/stringprintf.h"
-#include "base/trace_event/trace_event_argument.h"
-#include "third_party/skia/include/core/SkCanvas.h"
-
-namespace cc {
-
-TransformDisplayItem::TransformDisplayItem(const gfx::Transform& transform)
-    : transform_(transform) {
-}
-
-TransformDisplayItem::~TransformDisplayItem() {
-}
-
-void TransformDisplayItem::Raster(SkCanvas* canvas,
-                                  SkDrawPictureCallback* callback) const {
-  canvas->save();
-  if (!transform_.IsIdentity())
-    canvas->concat(transform_.matrix());
-}
-
-bool TransformDisplayItem::IsSuitableForGpuRasterization() const {
-  return true;
-}
-
-int TransformDisplayItem::ApproximateOpCount() const {
-  return 1;
-}
-
-size_t TransformDisplayItem::PictureMemoryUsage() const {
-  return sizeof(gfx::Transform);
-}
-
-void TransformDisplayItem::AsValueInto(
-    base::trace_event::TracedValue* array) const {
-  array->AppendString(base::StringPrintf("TransformDisplayItem transform: [%s]",
-                                         transform_.ToString().c_str()));
-}
-
-EndTransformDisplayItem::EndTransformDisplayItem() {
-}
-
-EndTransformDisplayItem::~EndTransformDisplayItem() {
-}
-
-void EndTransformDisplayItem::Raster(SkCanvas* canvas,
-                                     SkDrawPictureCallback* callback) const {
-  canvas->restore();
-}
-
-bool EndTransformDisplayItem::IsSuitableForGpuRasterization() const {
-  return true;
-}
-
-int EndTransformDisplayItem::ApproximateOpCount() const {
-  return 0;
-}
-
-size_t EndTransformDisplayItem::PictureMemoryUsage() const {
-  return 0;
-}
-
-void EndTransformDisplayItem::AsValueInto(
-    base::trace_event::TracedValue* array) const {
-  array->AppendString("EndTransformDisplayItem");
-}
-
-}  // namespace cc