Update from https://crrev.com/312398

cc/resources/clip_path_display_item.cc

Index: cc/resources/clip_path_display_item.cc
diff --git a/cc/resources/clip_path_display_item.cc b/cc/resources/clip_path_display_item.cc
new file mode 100644
index 0000000000000000000000000000000000000000..4012124cd0efdf3533baba5d5380958d267ebe1f
--- /dev/null
+++ b/cc/resources/clip_path_display_item.cc
@@ -0,0 +1,62 @@
+// Copyright 2015 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_path_display_item.h"
+
+#include "third_party/skia/include/core/SkCanvas.h"
+
+namespace cc {
+
+ClipPathDisplayItem::ClipPathDisplayItem(const SkPath& clip_path,
+                                         SkRegion::Op clip_op,
+                                         bool antialias)
+    : clip_path_(clip_path), clip_op_(clip_op), antialias_(antialias) {
+}
+
+ClipPathDisplayItem::~ClipPathDisplayItem() {
+}
+
+void ClipPathDisplayItem::Raster(SkCanvas* canvas,
+                                 SkDrawPictureCallback* callback) const {
+  canvas->save();
+  canvas->clipPath(clip_path_, clip_op_, antialias_);
+}
+
+bool ClipPathDisplayItem::IsSuitableForGpuRasterization() const {
+  return true;
+}
+
+int ClipPathDisplayItem::ApproximateOpCount() const {
+  return 1;
+}
+
+size_t ClipPathDisplayItem::PictureMemoryUsage() const {
+  size_t total_size = sizeof(SkPath) + sizeof(SkRegion::Op) + sizeof(bool);
+  return total_size;
+}
+
+EndClipPathDisplayItem::EndClipPathDisplayItem() {
+}
+
+EndClipPathDisplayItem::~EndClipPathDisplayItem() {
+}
+
+void EndClipPathDisplayItem::Raster(SkCanvas* canvas,
+                                    SkDrawPictureCallback* callback) const {
+  canvas->restore();
+}
+
+bool EndClipPathDisplayItem::IsSuitableForGpuRasterization() const {
+  return true;
+}
+
+int EndClipPathDisplayItem::ApproximateOpCount() const {
+  return 0;
+}
+
+size_t EndClipPathDisplayItem::PictureMemoryUsage() const {
+  return 0;
+}
+
+}  // namespace cc