cc: Shrink size of display item

cc/playback/display_item_list_unittest.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/display_item_list.h"
 
 #include <vector>
 
 #include "cc/output/filter_operation.h"
 #include "cc/output/filter_operations.h"
@@ skipping 35 matching lines @@
   skia::RefPtr<SkPicture> picture;
 
   SkPaint red_paint;
   red_paint.setColor(SK_ColorRED);
 
   canvas = skia::SharePtr(recorder.beginRecording(SkRect::MakeXYWH(
       offset.x(), offset.y(), layer_size.width(), layer_size.height())));
   canvas->translate(offset.x(), offset.y());
   canvas->drawRectCoords(0.f, 0.f, 4.f, 4.f, red_paint);
   picture = skia::AdoptRef(recorder.endRecordingAsPicture());
-  list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect)->SetNew(picture);
+  list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect, picture);
 }
 
 void AppendSecondSerializationTestPicture(scoped_refptr<DisplayItemList> list,
                                           const gfx::Size& layer_size) {
   gfx::PointF offset(2.f, 2.f);
   SkPictureRecorder recorder;
   skia::RefPtr<SkCanvas> canvas;
   skia::RefPtr<SkPicture> picture;
 
   SkPaint blue_paint;
   blue_paint.setColor(SK_ColorBLUE);
 
   canvas = skia::SharePtr(recorder.beginRecording(SkRect::MakeXYWH(
       offset.x(), offset.y(), layer_size.width(), layer_size.height())));
   canvas->translate(offset.x(), offset.y());
   canvas->drawRectCoords(3.f, 3.f, 7.f, 7.f, blue_paint);
   picture = skia::AdoptRef(recorder.endRecordingAsPicture());
-  list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect)->SetNew(picture);
+  list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect, picture);
 }
 
 void ValidateDisplayItemListSerialization(const gfx::Size& layer_size,
                                           scoped_refptr<DisplayItemList> list) {
   list->Finalize();
 
   // Serialize and deserialize the DisplayItemList.
   proto::DisplayItemList proto;
   list->ToProtobuf(&proto);
   scoped_refptr<DisplayItemList> new_list =
@@ skipping 59 matching lines @@
   scoped_refptr<DisplayItemList> list =
       DisplayItemList::Create(gfx::Rect(layer_size), settings);
 
   // Build the DrawingDisplayItem.
   AppendFirstSerializationTestPicture(list, layer_size);
 
   // Build the ClipDisplayItem.
   gfx::Rect clip_rect(6, 6, 1, 1);
   std::vector<SkRRect> rrects;
   rrects.push_back(SkRRect::MakeOval(SkRect::MakeXYWH(5.f, 5.f, 4.f, 4.f)));
-  auto* item = list->CreateAndAppendItem<ClipDisplayItem>(kVisualRect);
-  item->SetNew(clip_rect, rrects);
+  list->CreateAndAppendItem<ClipDisplayItem>(kVisualRect, clip_rect, rrects);
 
   // Build the second DrawingDisplayItem.
   AppendSecondSerializationTestPicture(list, layer_size);
 
   // Build the EndClipDisplayItem.
   list->CreateAndAppendItem<EndClipDisplayItem>(kVisualRect);
 
   ValidateDisplayItemListSerialization(layer_size, list);
 }
 
 TEST(DisplayItemListTest, SerializeClipPathItem) {
   gfx::Size layer_size(10, 10);
 
   DisplayItemListSettings settings;
   scoped_refptr<DisplayItemList> list =
       DisplayItemList::Create(gfx::Rect(layer_size), settings);
 
   // Build the DrawingDisplayItem.
   AppendFirstSerializationTestPicture(list, layer_size);
 
   // Build the ClipPathDisplayItem.
   SkPath path;
   path.addCircle(5.f, 5.f, 2.f, SkPath::Direction::kCW_Direction);
-  auto* item = list->CreateAndAppendItem<ClipPathDisplayItem>(kVisualRect);
-  item->SetNew(path, SkRegion::Op::kReplace_Op, false);
+  list->CreateAndAppendItem<ClipPathDisplayItem>(
+      kVisualRect, path, SkRegion::Op::kReplace_Op, false);
 
   // Build the second DrawingDisplayItem.
   AppendSecondSerializationTestPicture(list, layer_size);
 
   // Build the EndClipPathDisplayItem.
   list->CreateAndAppendItem<EndClipPathDisplayItem>(kVisualRect);
 
   ValidateDisplayItemListSerialization(layer_size, list);
 }
 
 TEST(DisplayItemListTest, SerializeCompositingItem) {
   gfx::Size layer_size(10, 10);
 
   DisplayItemListSettings settings;
   scoped_refptr<DisplayItemList> list =
       DisplayItemList::Create(gfx::Rect(layer_size), settings);
 
   // Build the DrawingDisplayItem.
   AppendFirstSerializationTestPicture(list, layer_size);
 
   // Build the CompositingDisplayItem.
   skia::RefPtr<SkColorFilter> filter = skia::AdoptRef(
       SkColorFilter::CreateLightingFilter(SK_ColorRED, SK_ColorGREEN));
-  auto* item = list->CreateAndAppendItem<CompositingDisplayItem>(kVisualRect);
-  item->SetNew(150, SkXfermode::Mode::kDst_Mode, nullptr, filter);
+  list->CreateAndAppendItem<CompositingDisplayItem>(
+      kVisualRect, 150, SkXfermode::Mode::kDst_Mode, nullptr, filter);
 
   // Build the second DrawingDisplayItem.
   AppendSecondSerializationTestPicture(list, layer_size);
 
   // Build the EndCompositingDisplayItem.
   list->CreateAndAppendItem<EndCompositingDisplayItem>(kVisualRect);
 
   ValidateDisplayItemListSerialization(layer_size, list);
 }
 
 TEST(DisplayItemListTest, SerializeFloatClipItem) {
   gfx::Size layer_size(10, 10);
 
   DisplayItemListSettings settings;
   scoped_refptr<DisplayItemList> list =
       DisplayItemList::Create(gfx::Rect(layer_size), settings);
 
   // Build the DrawingDisplayItem.
   AppendFirstSerializationTestPicture(list, layer_size);
 
   // Build the FloatClipDisplayItem.
   gfx::RectF clip_rect(6.f, 6.f, 1.f, 1.f);
-  auto* item2 = list->CreateAndAppendItem<FloatClipDisplayItem>(kVisualRect);
-  item2->SetNew(clip_rect);
+  list->CreateAndAppendItem<FloatClipDisplayItem>(kVisualRect, clip_rect);
 
   // Build the second DrawingDisplayItem.
   AppendSecondSerializationTestPicture(list, layer_size);
 
   // Build the EndFloatClipDisplayItem.
   list->CreateAndAppendItem<EndFloatClipDisplayItem>(kVisualRect);
 
   ValidateDisplayItemListSerialization(layer_size, list);
 }
 
 TEST(DisplayItemListTest, SerializeTransformItem) {
   gfx::Size layer_size(10, 10);
 
   DisplayItemListSettings settings;
   scoped_refptr<DisplayItemList> list =
       DisplayItemList::Create(gfx::Rect(layer_size), settings);
 
   // Build the DrawingDisplayItem.
   AppendFirstSerializationTestPicture(list, layer_size);
 
   // Build the TransformDisplayItem.
   gfx::Transform transform;
   transform.Scale(1.25f, 1.25f);
   transform.Translate(-1.f, -1.f);
-  auto* item2 = list->CreateAndAppendItem<TransformDisplayItem>(kVisualRect);
-  item2->SetNew(transform);
+  list->CreateAndAppendItem<TransformDisplayItem>(kVisualRect, transform);
 
   // Build the second DrawingDisplayItem.
   AppendSecondSerializationTestPicture(list, layer_size);
 
   // Build the EndTransformDisplayItem.
   list->CreateAndAppendItem<EndTransformDisplayItem>(kVisualRect);
 
   ValidateDisplayItemListSerialization(layer_size, list);
 }
 
@@ skipping 12 matching lines @@
       DisplayItemList::Create(layer_rect, settings);
 
   gfx::PointF offset(8.f, 9.f);
   gfx::RectF recording_rect(offset, gfx::SizeF(layer_rect.size()));
   canvas = skia::SharePtr(
       recorder.beginRecording(gfx::RectFToSkRect(recording_rect)));
   canvas->translate(offset.x(), offset.y());
   canvas->drawRectCoords(0.f, 0.f, 60.f, 60.f, red_paint);
   canvas->drawRectCoords(50.f, 50.f, 75.f, 75.f, blue_paint);
   picture = skia::AdoptRef(recorder.endRecordingAsPicture());
-  auto* item = list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect);
-  item->SetNew(picture);
+  list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect,
+                                                std::move(picture));
   list->Finalize();
   DrawDisplayList(pixels, layer_rect, list);
 
   SkBitmap expected_bitmap;
   unsigned char expected_pixels[4 * 100 * 100] = {0};
   SkImageInfo info =
       SkImageInfo::MakeN32Premul(layer_rect.width(), layer_rect.height());
   expected_bitmap.installPixels(info, expected_pixels, info.minRowBytes());
   SkCanvas expected_canvas(expected_bitmap);
   expected_canvas.clipRect(gfx::RectToSkRect(layer_rect));
@@ skipping 22 matching lines @@
   scoped_refptr<DisplayItemList> list =
       DisplayItemList::Create(layer_rect, settings);
 
   gfx::PointF first_offset(8.f, 9.f);
   gfx::RectF first_recording_rect(first_offset, gfx::SizeF(layer_rect.size()));
   canvas = skia::SharePtr(
       recorder.beginRecording(gfx::RectFToSkRect(first_recording_rect)));
   canvas->translate(first_offset.x(), first_offset.y());
   canvas->drawRectCoords(0.f, 0.f, 60.f, 60.f, red_paint);
   picture = skia::AdoptRef(recorder.endRecordingAsPicture());
-  auto* item1 = list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect);
-  item1->SetNew(std::move(picture));
+  list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect,
+                                                std::move(picture));
 
   gfx::Rect clip_rect(60, 60, 10, 10);
-  auto* item2 = list->CreateAndAppendItem<ClipDisplayItem>(kVisualRect);
-  item2->SetNew(clip_rect, std::vector<SkRRect>());
+  list->CreateAndAppendItem<ClipDisplayItem>(kVisualRect, clip_rect,
+                                             std::vector<SkRRect>());
 
   gfx::PointF second_offset(2.f, 3.f);
   gfx::RectF second_recording_rect(second_offset,
                                    gfx::SizeF(layer_rect.size()));
   canvas = skia::SharePtr(
       recorder.beginRecording(gfx::RectFToSkRect(second_recording_rect)));
   canvas->translate(second_offset.x(), second_offset.y());
   canvas->drawRectCoords(50.f, 50.f, 75.f, 75.f, blue_paint);
   picture = skia::AdoptRef(recorder.endRecordingAsPicture());
-  auto* item3 = list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect);
-  item3->SetNew(std::move(picture));
+  list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect,
+                                                std::move(picture));
 
   list->CreateAndAppendItem<EndClipDisplayItem>(kVisualRect);
   list->Finalize();
 
   DrawDisplayList(pixels, layer_rect, list);
 
   SkBitmap expected_bitmap;
   unsigned char expected_pixels[4 * 100 * 100] = {0};
   SkImageInfo info =
       SkImageInfo::MakeN32Premul(layer_rect.width(), layer_rect.height());
@@ skipping 26 matching lines @@
   scoped_refptr<DisplayItemList> list =
       DisplayItemList::Create(layer_rect, settings);
 
   gfx::PointF first_offset(8.f, 9.f);
   gfx::RectF first_recording_rect(first_offset, gfx::SizeF(layer_rect.size()));
   canvas = skia::SharePtr(
       recorder.beginRecording(gfx::RectFToSkRect(first_recording_rect)));
   canvas->translate(first_offset.x(), first_offset.y());
   canvas->drawRectCoords(0.f, 0.f, 60.f, 60.f, red_paint);
   picture = skia::AdoptRef(recorder.endRecordingAsPicture());
-  auto* item1 = list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect);
-  item1->SetNew(picture);
+  list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect,
+                                                std::move(picture));
 
   gfx::Transform transform;
   transform.Rotate(45.0);
-  auto* item2 = list->CreateAndAppendItem<TransformDisplayItem>(kVisualRect);
-  item2->SetNew(transform);
+  list->CreateAndAppendItem<TransformDisplayItem>(kVisualRect, transform);
 
   gfx::PointF second_offset(2.f, 3.f);
   gfx::RectF second_recording_rect(second_offset,
                                    gfx::SizeF(layer_rect.size()));
   canvas = skia::SharePtr(
       recorder.beginRecording(gfx::RectFToSkRect(second_recording_rect)));
   canvas->translate(second_offset.x(), second_offset.y());
   canvas->drawRectCoords(50.f, 50.f, 75.f, 75.f, blue_paint);
   picture = skia::AdoptRef(recorder.endRecordingAsPicture());
-  auto* item3 = list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect);
-  item3->SetNew(picture);
+  list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect,
+                                                std::move(picture));
 
   list->CreateAndAppendItem<EndTransformDisplayItem>(kVisualRect);
   list->Finalize();
 
   DrawDisplayList(pixels, layer_rect, list);
 
   SkBitmap expected_bitmap;
   unsigned char expected_pixels[4 * 100 * 100] = {0};
   SkImageInfo info =
       SkImageInfo::MakeN32Premul(layer_rect.width(), layer_rect.height());
@@ skipping 36 matching lines @@
   // translating |dst| after it is computed by computeFastBounds, rather than
   // translating |src| before it provided to computedFastBounds) can cause
   // incorrect clipping of filter output. To test for this, we include an
   // SkImageSource filter in |filters|. Here, |src| is |filter_bounds|, defined
   // below.
   skia::RefPtr<SkImageFilter> image_filter =
       skia::AdoptRef(SkImageSource::Create(source_image.get()));
   filters.Append(FilterOperation::CreateReferenceFilter(image_filter));
   filters.Append(FilterOperation::CreateBrightnessFilter(0.5f));
   gfx::RectF filter_bounds(10.f, 10.f, 50.f, 50.f);
-  auto* item = list->CreateAndAppendItem<FilterDisplayItem>(kVisualRect);
-  item->SetNew(filters, filter_bounds);
+  list->CreateAndAppendItem<FilterDisplayItem>(kVisualRect, filters,
+                                               filter_bounds);
   list->CreateAndAppendItem<EndFilterDisplayItem>(kVisualRect);
   list->Finalize();
 
   DrawDisplayList(pixels, layer_rect, list);
 
   SkBitmap expected_bitmap;
   unsigned char expected_pixels[4 * 100 * 100] = {0};
   SkPaint paint;
   paint.setColor(SkColorSetRGB(64, 64, 64));
   SkImageInfo info =
@@ skipping 23 matching lines @@
   no_caching_settings.use_cached_picture = false;
   scoped_refptr<DisplayItemList> list_without_caching =
       DisplayItemList::Create(layer_rect, no_caching_settings);
 
   canvas = skia::SharePtr(
       recorder.beginRecording(gfx::RectFToSkRect(recording_rect)));
   canvas->translate(offset.x(), offset.y());
   canvas->drawRectCoords(0.f, 0.f, 60.f, 60.f, red_paint);
   canvas->drawRectCoords(50.f, 50.f, 75.f, 75.f, blue_paint);
   picture = skia::AdoptRef(recorder.endRecordingAsPicture());
-  auto* item1 = list_without_caching->CreateAndAppendItem<DrawingDisplayItem>(
-      kVisualRect);
-  item1->SetNew(picture);
+  list_without_caching->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect,
+                                                                picture);
   list_without_caching->Finalize();
   DrawDisplayList(pixels, layer_rect, list_without_caching);
 
   unsigned char expected_pixels[4 * 100 * 100] = {0};
   DisplayItemListSettings caching_settings;
   caching_settings.use_cached_picture = true;
   scoped_refptr<DisplayItemList> list_with_caching =
       DisplayItemList::Create(layer_rect, caching_settings);
-  auto* item2 =
-      list_with_caching->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect);
-  item2->SetNew(picture);
+  list_with_caching->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect,
+                                                             picture);
   list_with_caching->Finalize();
   DrawDisplayList(expected_pixels, layer_rect, list_with_caching);
 
   EXPECT_EQ(0, memcmp(pixels, expected_pixels, 4 * 100 * 100));
 }
 
 TEST(DisplayItemListTest, IsSuitableForGpuRasterizationWithCachedPicture) {
   gfx::Rect layer_rect(1000, 1000);
   SkPictureRecorder recorder;
   skia::RefPtr<SkCanvas> canvas;
@@ skipping 12 matching lines @@
   path.lineTo(50, 50);
   path.lineTo(100, 100);
   path.lineTo(100, 0);
   path.close();
 
   SkPaint paint;
   paint.setAntiAlias(true);
   canvas->drawPath(path, paint);
 
   picture = skia::AdoptRef(recorder.endRecordingAsPicture());
-  DrawingDisplayItem* item =
-      list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect);
-  item->SetNew(picture);
+  list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect,
+                                                std::move(picture));
   list->Finalize();
 
   // A single DrawingDisplayItem with a large AA concave path shouldn't trigger
   // a veto.
   EXPECT_TRUE(list->IsSuitableForGpuRasterization());
 
   list = DisplayItemList::Create(layer_rect, settings);
   canvas =
       skia::SharePtr(recorder.beginRecording(gfx::RectToSkRect(layer_rect)));
   for (int i = 0; i < 10; ++i)
     canvas->drawPath(path, paint);
   picture = skia::AdoptRef(recorder.endRecordingAsPicture());
-  item = list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect);
-  item->SetNew(picture);
+  list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect,
+                                                std::move(picture));
   list->Finalize();
 
   // A single DrawingDisplayItem with several large AA concave paths should
   // trigger a veto.
   EXPECT_FALSE(list->IsSuitableForGpuRasterization());
-
-  list = DisplayItemList::Create(layer_rect, settings);
-  for (int i = 0; i < 10; ++i) {
-    canvas =
-        skia::SharePtr(recorder.beginRecording(gfx::RectToSkRect(layer_rect)));
-    canvas->drawPath(path, paint);
-    picture = skia::AdoptRef(recorder.endRecordingAsPicture());
-    item = list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect);
-    item->SetNew(picture);
-  }
-  list->Finalize();
-
-  // Having several DrawingDisplayItems that each contain a large AA concave
-  // path should trigger a veto.
-  EXPECT_FALSE(list->IsSuitableForGpuRasterization());
 }
 
 TEST(DisplayItemListTest, IsSuitableForGpuRasterizationWithoutCachedPicture) {
   gfx::Rect layer_rect(1000, 1000);
   SkPictureRecorder recorder;
   skia::RefPtr<SkCanvas> canvas;
   skia::RefPtr<SkPicture> picture;
 
   DisplayItemListSettings settings;
   settings.use_cached_picture = false;
   scoped_refptr<DisplayItemList> list =
       DisplayItemList::Create(layer_rect, settings);
   canvas =
       skia::SharePtr(recorder.beginRecording(gfx::RectToSkRect(layer_rect)));
 
   SkPath path;
   path.moveTo(0, 0);
   path.lineTo(0, 100);
   path.lineTo(50, 50);
   path.lineTo(100, 100);
   path.lineTo(100, 0);
   path.close();
 
   SkPaint paint;
   paint.setAntiAlias(true);
   canvas->drawPath(path, paint);
 
   picture = skia::AdoptRef(recorder.endRecordingAsPicture());
-  DrawingDisplayItem* item =
-      list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect);
-  item->SetNew(picture);
+  list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect,
+                                                std::move(picture));
   list->Finalize();
 
   // A single DrawingDisplayItem with a large AA concave path shouldn't trigger
   // a veto.
   EXPECT_TRUE(list->IsSuitableForGpuRasterization());
 
   list = DisplayItemList::Create(layer_rect, settings);
   canvas =
       skia::SharePtr(recorder.beginRecording(gfx::RectToSkRect(layer_rect)));
   for (int i = 0; i < 10; ++i)
     canvas->drawPath(path, paint);
   picture = skia::AdoptRef(recorder.endRecordingAsPicture());
-  item = list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect);
-  item->SetNew(picture);
+  list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect,
+                                                std::move(picture));
   list->Finalize();
 
   // A single DrawingDisplayItem with several large AA concave paths should
   // trigger a veto.
   EXPECT_FALSE(list->IsSuitableForGpuRasterization());
 
   list = DisplayItemList::Create(layer_rect, settings);
   for (int i = 0; i < 10; ++i) {
     canvas =
         skia::SharePtr(recorder.beginRecording(gfx::RectToSkRect(layer_rect)));
     canvas->drawPath(path, paint);
     picture = skia::AdoptRef(recorder.endRecordingAsPicture());
-    item = list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect);
-    item->SetNew(picture);
+    list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect,
+                                                  std::move(picture));
   }
   list->Finalize();
 
   // Without a cached picture, having several DrawingDisplayItems that each
   // contain a single large AA concave will not trigger a veto, since each item
   // is individually suitable for GPU rasterization.
   EXPECT_TRUE(list->IsSuitableForGpuRasterization());
 }
 
 TEST(DisplayItemListTest, ApproximateMemoryUsage) {
@@ skipping 11 matching lines @@
     canvas->drawPaint(blue_paint);
   skia::RefPtr<SkPicture> picture =
       skia::AdoptRef(recorder.endRecordingAsPicture());
   size_t picture_size = SkPictureUtils::ApproximateBytesUsed(picture.get());
   ASSERT_GE(picture_size, kNumCommandsInTestSkPicture * sizeof(blue_paint));
 
   // Using a cached picture, we should get about the right size.
   DisplayItemListSettings caching_settings;
   caching_settings.use_cached_picture = true;
   list = DisplayItemList::Create(layer_rect, caching_settings);
-  auto* item = list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect);
-  item->SetNew(picture);
+  list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect, picture);
   list->Finalize();
   memory_usage = list->ApproximateMemoryUsage();
   EXPECT_GE(memory_usage, picture_size);
   EXPECT_LE(memory_usage, 2 * picture_size);
 
   // Using no cached picture, we should still get the right size.
   DisplayItemListSettings no_caching_settings;
   no_caching_settings.use_cached_picture = false;
   list = DisplayItemList::Create(layer_rect, no_caching_settings);
-  item = list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect);
-  item->SetNew(picture);
+  list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect, picture);
   list->Finalize();
   memory_usage = list->ApproximateMemoryUsage();
   EXPECT_GE(memory_usage, picture_size);
   EXPECT_LE(memory_usage, 2 * picture_size);
 
   // To avoid double counting, we expect zero size to be computed if both the
   // picture and items are retained (currently this only happens due to certain
   // categories being traced).
   list = new DisplayItemList(layer_rect, caching_settings, true);
-  item = list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect);
-  item->SetNew(picture);
+  list->CreateAndAppendItem<DrawingDisplayItem>(kVisualRect, picture);
   list->Finalize();
   memory_usage = list->ApproximateMemoryUsage();
   EXPECT_EQ(static_cast<size_t>(0), memory_usage);
 }
 
 }  // namespace cc