[blimp] Add SkPicture caching support.

cc/playback/clip_path_display_item.cc

 // 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/playback/clip_path_display_item.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/strings/stringprintf.h"
 #include "base/trace_event/trace_event_argument.h"
 #include "cc/proto/display_item.pb.h"
 #include "cc/proto/skia_conversions.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 
 namespace cc {
-class ImageSerializationProcessor;
 
 ClipPathDisplayItem::ClipPathDisplayItem(const SkPath& clip_path,
                                          SkRegion::Op clip_op,
                                          bool antialias) {
   SetNew(clip_path, clip_op, antialias);
 }
 
 ClipPathDisplayItem::ClipPathDisplayItem(const proto::DisplayItem& proto) {
   DCHECK_EQ(proto::DisplayItem::Type_ClipPath, proto.type());
 
@@ skipping 15 matching lines @@
 }
 
 void ClipPathDisplayItem::SetNew(const SkPath& clip_path,
                                  SkRegion::Op clip_op,
                                  bool antialias) {
   clip_path_ = clip_path;
   clip_op_ = clip_op;
   antialias_ = antialias;
 }
 
-void ClipPathDisplayItem::ToProtobuf(
-    proto::DisplayItem* proto,
-    ImageSerializationProcessor* image_serialization_processor) const {
+void ClipPathDisplayItem::ToProtobuf(proto::DisplayItem* proto) const {
   proto->set_type(proto::DisplayItem::Type_ClipPath);
 
   proto::ClipPathDisplayItem* details = proto->mutable_clip_path_item();
   details->set_clip_op(SkRegionOpToProto(clip_op_));
   details->set_antialias(antialias_);
 
   // Just use skia's serialization method for the SkPath for now.
   size_t path_size = clip_path_.writeToMemory(nullptr);
   if (path_size > 0) {
     std::unique_ptr<uint8_t[]> buffer(new uint8_t[path_size]);
@@ skipping 26 matching lines @@
 EndClipPathDisplayItem::EndClipPathDisplayItem() {}
 
 EndClipPathDisplayItem::EndClipPathDisplayItem(
     const proto::DisplayItem& proto) {
   DCHECK_EQ(proto::DisplayItem::Type_EndClipPath, proto.type());
 }
 
 EndClipPathDisplayItem::~EndClipPathDisplayItem() {
 }
 
-void EndClipPathDisplayItem::ToProtobuf(
-    proto::DisplayItem* proto,
-    ImageSerializationProcessor* image_serialization_processor) const {
+void EndClipPathDisplayItem::ToProtobuf(proto::DisplayItem* proto) const {
   proto->set_type(proto::DisplayItem::Type_EndClipPath);
 }
 
 void EndClipPathDisplayItem::Raster(
     SkCanvas* canvas,
     const gfx::Rect& canvas_target_playback_rect,
     SkPicture::AbortCallback* callback) const {
   canvas->restore();
 }
 
 void EndClipPathDisplayItem::AsValueInto(
     const gfx::Rect& visual_rect,
     base::trace_event::TracedValue* array) const {
   array->AppendString(
       base::StringPrintf("EndClipPathDisplayItem visualRect: [%s]",
                          visual_rect.ToString().c_str()));
 }
 
 size_t EndClipPathDisplayItem::ExternalMemoryUsage() const {
   return 0;
 }
 
 }  // namespace cc