cc: Make PaintCanvas abstract

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 <stddef.h>
 
 #include <vector>
 
@@ skipping 78 matching lines @@
   list->CreateAndAppendDrawingItem<DrawingDisplayItem>(
       kVisualRect, recorder.finishRecordingAsPicture());
   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());
-  PaintCanvas expected_canvas(expected_bitmap);
+  SkiaPaintCanvas expected_canvas(expected_bitmap);
   expected_canvas.clipRect(gfx::RectToSkRect(layer_rect));
   expected_canvas.drawRect(
       SkRect::MakeLTRB(0.f + offset.x(), 0.f + offset.y(), 60.f + offset.x(),
                        60.f + offset.y()),
       red_paint);
   expected_canvas.drawRect(
       SkRect::MakeLTRB(50.f + offset.x(), 50.f + offset.y(), 75.f + offset.x(),
                        75.f + offset.y()),
       blue_flags);
 
@@ skipping 35 matching lines @@
   list->CreateAndAppendPairedEndItem<EndClipDisplayItem>();
   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());
-  PaintCanvas expected_canvas(expected_bitmap);
+  SkiaPaintCanvas expected_canvas(expected_bitmap);
   expected_canvas.clipRect(gfx::RectToSkRect(layer_rect));
   expected_canvas.drawRect(
       SkRect::MakeLTRB(0.f + first_offset.x(), 0.f + first_offset.y(),
                        60.f + first_offset.x(), 60.f + first_offset.y()),
       red_paint);
   expected_canvas.clipRect(gfx::RectToSkRect(clip_rect));
   expected_canvas.drawRect(
       SkRect::MakeLTRB(50.f + second_offset.x(), 50.f + second_offset.y(),
                        75.f + second_offset.x(), 75.f + second_offset.y()),
       blue_flags);
@@ skipping 36 matching lines @@
   list->CreateAndAppendPairedEndItem<EndTransformDisplayItem>();
   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());
-  PaintCanvas expected_canvas(expected_bitmap);
+  SkiaPaintCanvas expected_canvas(expected_bitmap);
   expected_canvas.clipRect(gfx::RectToSkRect(layer_rect));
   expected_canvas.drawRect(
       SkRect::MakeLTRB(0.f + first_offset.x(), 0.f + first_offset.y(),
                        60.f + first_offset.x(), 60.f + first_offset.y()),
       red_paint);
   expected_canvas.setMatrix(transform.matrix());
   expected_canvas.drawRect(
       SkRect::MakeLTRB(50.f + second_offset.x(), 50.f + second_offset.y(),
                        75.f + second_offset.x(), 75.f + second_offset.y()),
       blue_flags);
@@ skipping 52 matching lines @@
 
   DrawDisplayList(pixels, layer_rect, list);
 
   SkBitmap expected_bitmap;
   unsigned char expected_pixels[4 * 100 * 100] = {0};
   PaintFlags paint;
   paint.setColor(SkColorSetRGB(64, 64, 64));
   SkImageInfo info =
       SkImageInfo::MakeN32Premul(layer_rect.width(), layer_rect.height());
   expected_bitmap.installPixels(info, expected_pixels, info.minRowBytes());
-  PaintCanvas expected_canvas(expected_bitmap);
+  SkiaPaintCanvas expected_canvas(expected_bitmap);
   expected_canvas.drawRect(RectFToSkRect(filter_bounds), paint);
 
   EXPECT_EQ(0, memcmp(pixels, expected_pixels, 4 * 100 * 100));
 }
 
 TEST(DisplayItemListTest, ApproximateMemoryUsage) {
   const int kNumCommandsInTestSkPicture = 1000;
   size_t memory_usage;
 
   // Make an PaintRecord whose size is known.
@@ skipping 373 matching lines @@
   list->CreateAndAppendPairedEndItem<EndClipDisplayItem>();
 
   EXPECT_EQ(4u, list->size());
   EXPECT_RECT_EQ(filter_bounds, list->VisualRectForTesting(0));
   EXPECT_RECT_EQ(filter_bounds, list->VisualRectForTesting(1));
   EXPECT_RECT_EQ(filter_bounds, list->VisualRectForTesting(2));
   EXPECT_RECT_EQ(filter_bounds, list->VisualRectForTesting(3));
 }
 
 }  // namespace cc