[blimp] Add SkPicture caching support.

cc/playback/compositing_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/compositing_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/gfx_conversions.h"
 #include "cc/proto/skia_conversions.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkData.h"
 #include "third_party/skia/include/core/SkFlattenable.h"
 #include "third_party/skia/include/core/SkFlattenableSerialization.h"
 #include "third_party/skia/include/core/SkPaint.h"
 #include "third_party/skia/include/core/SkXfermode.h"
 #include "ui/gfx/skia_util.h"
 
 namespace cc {
-class ImageSerializationProcessor;
 
 CompositingDisplayItem::CompositingDisplayItem(
     uint8_t alpha,
     SkXfermode::Mode xfermode,
     SkRect* bounds,
     sk_sp<SkColorFilter> cf,
     bool lcd_text_requires_opaque_layer) {
   SetNew(alpha, xfermode, bounds, std::move(cf),
          lcd_text_requires_opaque_layer);
 }
@@ skipping 36 matching lines @@
                                     bool lcd_text_requires_opaque_layer) {
   alpha_ = alpha;
   xfermode_ = xfermode;
   has_bounds_ = !!bounds;
   if (bounds)
     bounds_ = SkRect(*bounds);
   color_filter_ = std::move(cf);
   lcd_text_requires_opaque_layer_ = lcd_text_requires_opaque_layer;
 }
 
-void CompositingDisplayItem::ToProtobuf(
-    proto::DisplayItem* proto,
-    ImageSerializationProcessor* image_serialization_processor) const {
+void CompositingDisplayItem::ToProtobuf(proto::DisplayItem* proto) const {
   proto->set_type(proto::DisplayItem::Type_Compositing);
 
   proto::CompositingDisplayItem* details = proto->mutable_compositing_item();
   details->set_alpha(static_cast<uint32_t>(alpha_));
   details->set_mode(SkXfermodeModeToProto(xfermode_));
   if (has_bounds_)
     RectFToProto(gfx::SkRectToRectF(bounds_), details->mutable_bounds());
 
   if (color_filter_) {
     sk_sp<SkData> data(SkValidatingSerializeFlattenable(color_filter_.get()));
@@ skipping 41 matching lines @@
 EndCompositingDisplayItem::EndCompositingDisplayItem() {}
 
 EndCompositingDisplayItem::EndCompositingDisplayItem(
     const proto::DisplayItem& proto) {
   DCHECK_EQ(proto::DisplayItem::Type_EndCompositing, proto.type());
 }
 
 EndCompositingDisplayItem::~EndCompositingDisplayItem() {
 }
 
-void EndCompositingDisplayItem::ToProtobuf(
-    proto::DisplayItem* proto,
-    ImageSerializationProcessor* image_serialization_processor) const {
+void EndCompositingDisplayItem::ToProtobuf(proto::DisplayItem* proto) const {
   proto->set_type(proto::DisplayItem::Type_EndCompositing);
 }
 
 void EndCompositingDisplayItem::Raster(
     SkCanvas* canvas,
     SkPicture::AbortCallback* callback) const {
   canvas->restore();
 }
 
 void EndCompositingDisplayItem::AsValueInto(
     const gfx::Rect& visual_rect,
     base::trace_event::TracedValue* array) const {
   array->AppendString(
       base::StringPrintf("EndCompositingDisplayItem visualRect: [%s]",
                          visual_rect.ToString().c_str()));
 }
 
 size_t EndCompositingDisplayItem::ExternalMemoryUsage() const {
   return 0;
 }
 
 }  // namespace cc