Remove cullRect() from PaintOpBuffer.

cc/paint/paint_op_buffer_unittest.cc

 // Copyright 2017 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/paint/paint_op_buffer.h"
 #include "cc/paint/display_item_list.h"
 #include "cc/test/skia_common.h"
 #include "cc/test/test_skcanvas.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/effects/SkDashPathEffect.h"
@@ skipping 411 matching lines @@
   PaintImage image = PaintImage(PaintImage::GetNextId(),
                                 CreateDiscardableImage(gfx::Size(100, 100)));
   record->push<DrawImageOp>(image, SkIntToScalar(0), SkIntToScalar(0), nullptr);
 
   PaintOpBuffer buffer;
   buffer.push<DrawRecordOp>(record);
   EXPECT_TRUE(buffer.HasDiscardableImages());
 
   scoped_refptr<DisplayItemList> list = new DisplayItemList;
   list->CreateAndAppendDrawingItem<DrawingDisplayItem>(
-      gfx::Rect(0, 0, 100, 100), record);
+      gfx::Rect(100, 100), record, SkRect::MakeWH(100, 100));
   list->Finalize();
   PaintOpBuffer new_buffer;
   new_buffer.push<DrawDisplayItemListOp>(list);
   EXPECT_TRUE(new_buffer.HasDiscardableImages());
 }
 
 TEST(PaintOpBufferTest, DiscardableImagesTracking_OpWithFlags) {
   PaintOpBuffer buffer;
   PaintFlags flags;
   sk_sp<SkImage> image = CreateDiscardableImage(gfx::Size(100, 100));
@@ skipping 47 matching lines @@
 
   // Drawing a record with slow paths into another adds the same
   // number of slow paths as the record.
   auto buffer2 = sk_make_sp<PaintOpBuffer>();
   EXPECT_EQ(buffer2->numSlowPaths(), 0);
   buffer2->push<DrawRecordOp>(buffer);
   EXPECT_EQ(buffer->numSlowPaths(), buffer2->numSlowPaths());
 }
 
 }  // namespace cc