Remove parts of //cc we aren't using

cc/resources/clip_display_item.cc

Index: cc/resources/clip_display_item.cc
diff --git a/cc/resources/clip_display_item.cc b/cc/resources/clip_display_item.cc
deleted file mode 100644
index b124ba1a1a77c08fd6d3a01175dd601b31dfdea6..0000000000000000000000000000000000000000
--- a/cc/resources/clip_display_item.cc
+++ /dev/null
@@ -1,110 +0,0 @@
-// 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/clip_display_item.h"
-
-#include <string>
-
-#include "base/strings/stringprintf.h"
-#include "base/trace_event/trace_event_argument.h"
-#include "third_party/skia/include/core/SkCanvas.h"
-#include "ui/gfx/skia_util.h"
-
-namespace cc {
-
-ClipDisplayItem::ClipDisplayItem(gfx::Rect clip_rect,
-                                 const std::vector<SkRRect>& rounded_clip_rects)
-    : clip_rect_(clip_rect), rounded_clip_rects_(rounded_clip_rects) {
-}
-
-ClipDisplayItem::~ClipDisplayItem() {
-}
-
-void ClipDisplayItem::Raster(SkCanvas* canvas,
-                             SkDrawPictureCallback* callback) const {
-  canvas->save();
-  canvas->clipRect(SkRect::MakeXYWH(clip_rect_.x(), clip_rect_.y(),
-                                    clip_rect_.width(), clip_rect_.height()));
-  for (size_t i = 0; i < rounded_clip_rects_.size(); ++i) {
-    if (rounded_clip_rects_[i].isRect()) {
-      canvas->clipRect(rounded_clip_rects_[i].rect());
-    } else {
-      bool antialiased = true;
-      canvas->clipRRect(rounded_clip_rects_[i], SkRegion::kIntersect_Op,
-                        antialiased);
-    }
-  }
-}
-
-bool ClipDisplayItem::IsSuitableForGpuRasterization() const {
-  return true;
-}
-
-int ClipDisplayItem::ApproximateOpCount() const {
-  return 1;
-}
-
-size_t ClipDisplayItem::PictureMemoryUsage() const {
-  size_t total_size = sizeof(gfx::Rect);
-  for (size_t i = 0; i < rounded_clip_rects_.size(); ++i) {
-    total_size += sizeof(rounded_clip_rects_[i]);
-  }
-  return total_size;
-}
-
-void ClipDisplayItem::AsValueInto(base::trace_event::TracedValue* array) const {
-  std::string value = base::StringPrintf("ClipDisplayItem rect: [%s]",
-                                         clip_rect_.ToString().c_str());
-  for (const SkRRect& rounded_rect : rounded_clip_rects_) {
-    base::StringAppendF(
-        &value, " rounded_rect: [rect: [%s]",
-        gfx::SkRectToRectF(rounded_rect.rect()).ToString().c_str());
-    base::StringAppendF(&value, " radii: [");
-    SkVector upper_left_radius = rounded_rect.radii(SkRRect::kUpperLeft_Corner);
-    base::StringAppendF(&value, "[%f,%f],", upper_left_radius.x(),
-                        upper_left_radius.y());
-    SkVector upper_right_radius =
-        rounded_rect.radii(SkRRect::kUpperRight_Corner);
-    base::StringAppendF(&value, " [%f,%f],", upper_right_radius.x(),
-                        upper_right_radius.y());
-    SkVector lower_right_radius =
-        rounded_rect.radii(SkRRect::kLowerRight_Corner);
-    base::StringAppendF(&value, " [%f,%f],", lower_right_radius.x(),
-                        lower_right_radius.y());
-    SkVector lower_left_radius = rounded_rect.radii(SkRRect::kLowerLeft_Corner);
-    base::StringAppendF(&value, " [%f,%f]]", lower_left_radius.x(),
-                        lower_left_radius.y());
-  }
-  array->AppendString(value);
-}
-
-EndClipDisplayItem::EndClipDisplayItem() {
-}
-
-EndClipDisplayItem::~EndClipDisplayItem() {
-}
-
-void EndClipDisplayItem::Raster(SkCanvas* canvas,
-                                SkDrawPictureCallback* callback) const {
-  canvas->restore();
-}
-
-bool EndClipDisplayItem::IsSuitableForGpuRasterization() const {
-  return true;
-}
-
-int EndClipDisplayItem::ApproximateOpCount() const {
-  return 0;
-}
-
-size_t EndClipDisplayItem::PictureMemoryUsage() const {
-  return 0;
-}
-
-void EndClipDisplayItem::AsValueInto(
-    base::trace_event::TracedValue* array) const {
-  array->AppendString("EndClipDisplayItem");
-}
-
-}  // namespace cc