[NOT FOR COMMIT] Fully replace SkCanvas uses.

cc/playback/drawing_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/playback/drawing_display_item.h"
 
 #include <stddef.h>
 
 #include <string>
 
 #include "base/strings/stringprintf.h"
 #include "base/trace_event/trace_event.h"
 #include "base/trace_event/trace_event_argument.h"
 #include "base/values.h"
 #include "cc/blimp/client_picture_cache.h"
 #include "cc/blimp/image_serialization_processor.h"
 #include "cc/debug/picture_debug_util.h"
 #include "cc/proto/display_item.pb.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkData.h"
 #include "third_party/skia/include/core/SkMatrix.h"
 #include "third_party/skia/include/core/SkPicture.h"
+#include "third_party/skia/include/core/SkPictureRecorder.h"
 #include "third_party/skia/include/core/SkStream.h"
 #include "third_party/skia/include/utils/SkPictureUtils.h"
+#include "skia/ext/cdl_picture.h"
 #include "ui/gfx/skia_util.h"
 
 namespace cc {
 
 DrawingDisplayItem::DrawingDisplayItem() {}
 
-DrawingDisplayItem::DrawingDisplayItem(sk_sp<const SkPicture> picture) {
+DrawingDisplayItem::DrawingDisplayItem(sk_sp<const CdlPicture> picture) {
   SetNew(std::move(picture));
 }
 
 DrawingDisplayItem::DrawingDisplayItem(
     const proto::DisplayItem& proto,
     ClientPictureCache* client_picture_cache,
     std::vector<uint32_t>* used_engine_picture_ids) {
   DCHECK_EQ(proto::DisplayItem::Type_Drawing, proto.type());
   DCHECK(client_picture_cache);
 
   const proto::DrawingDisplayItem& details = proto.drawing_item();
   DCHECK(details.has_id());
   const proto::SkPictureID& sk_picture_id = details.id();
   DCHECK(sk_picture_id.has_unique_id());
 
   uint32_t unique_id = sk_picture_id.unique_id();
-  sk_sp<const SkPicture> picture = client_picture_cache->GetPicture(unique_id);
+  sk_sp<const CdlPicture> picture = client_picture_cache->GetPicture(unique_id);
   DCHECK(picture);
 
   used_engine_picture_ids->push_back(unique_id);
   SetNew(std::move(picture));
 }
 
 DrawingDisplayItem::DrawingDisplayItem(const DrawingDisplayItem& item) {
   item.CloneTo(this);
 }
 
 DrawingDisplayItem::~DrawingDisplayItem() {
 }
 
-void DrawingDisplayItem::SetNew(sk_sp<const SkPicture> picture) {
+void DrawingDisplayItem::SetNew(sk_sp<const CdlPicture> picture) {
   picture_ = std::move(picture);
 }
 
 void DrawingDisplayItem::ToProtobuf(proto::DisplayItem* proto) const {
   TRACE_EVENT0("cc.remote", "DrawingDisplayItem::ToProtobuf");
   proto->set_type(proto::DisplayItem::Type_Drawing);
 
   if (!picture_)
     return;
 
   proto->mutable_drawing_item()->mutable_id()->set_unique_id(
       picture_->uniqueID());
 }
 
-sk_sp<const SkPicture> DrawingDisplayItem::GetPicture() const {
+sk_sp<const CdlPicture> DrawingDisplayItem::GetPicture() const {
   return picture_;
 }
 
 DISABLE_CFI_PERF
-void DrawingDisplayItem::Raster(SkCanvas* canvas,
+void DrawingDisplayItem::Raster(CdlCanvas* canvas,
                                 SkPicture::AbortCallback* callback) const {
   if (canvas->quickReject(picture_->cullRect()))
     return;
 
   // SkPicture always does a wrapping save/restore on the canvas, so it is not
   // necessary here.
   if (callback)
     picture_->playback(canvas, callback);
   else
     canvas->drawPicture(picture_.get());
@@ skipping 12 matching lines @@
   array->AppendInteger(visual_rect.height());
   array->EndArray();
 
   array->BeginArray("cullRect");
   array->AppendInteger(picture_->cullRect().x());
   array->AppendInteger(picture_->cullRect().y());
   array->AppendInteger(picture_->cullRect().width());
   array->AppendInteger(picture_->cullRect().height());
   array->EndArray();
 
+  // TODO(cdl): CdlPicture serialize.
   std::string b64_picture;
-  PictureDebugUtil::SerializeAsBase64(picture_.get(), &b64_picture);
+  PictureDebugUtil::SerializeAsBase64(ToSkPicture(picture_.get()).get(),
+                                      &b64_picture);
   array->SetString("skp64", b64_picture);
   array->EndDictionary();
 }
 
 void DrawingDisplayItem::CloneTo(DrawingDisplayItem* item) const {
   item->SetNew(picture_);
 }
 
 size_t DrawingDisplayItem::ExternalMemoryUsage() const {
-  return SkPictureUtils::ApproximateBytesUsed(picture_.get());
+  // TODO(cdl): Approximate CDL size.
+  // return SkPictureUtils::ApproximateBytesUsed(picture_.get());
+  return 1;
 }
 
 DISABLE_CFI_PERF
 int DrawingDisplayItem::ApproximateOpCount() const {
   return picture_->approximateOpCount();
 }
 
 }  // namespace cc