cc: Make PaintCanvas abstract

third_party/WebKit/Source/platform/graphics/GraphicsContextTest.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 53 matching lines @@
         int alpha = *bitmap.getAddr32(x, y) >> 24;            \
         bool opaque = opaqueRect.contains(x, y);              \
         EXPECT_EQ(opaque, alpha == 255);                      \
       }                                                       \
   }
 
 TEST(GraphicsContextTest, Recording) {
   SkBitmap bitmap;
   bitmap.allocN32Pixels(100, 100);
   bitmap.eraseColor(0);
-  PaintCanvas canvas(bitmap);
+  SkiaPaintCanvas canvas(bitmap);
 
   std::unique_ptr<PaintController> paintController = PaintController::create();
   GraphicsContext context(*paintController);
 
   Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
   FloatRect bounds(0, 0, 100, 100);
 
   context.beginRecording(bounds);
   context.fillRect(FloatRect(0, 0, 50, 50), opaque, SkBlendMode::kSrcOver);
   sk_sp<const PaintRecord> record = context.endRecording();
   canvas.drawPicture(record.get());
   EXPECT_OPAQUE_PIXELS_ONLY_IN_RECT(bitmap, IntRect(0, 0, 50, 50))
 
   context.beginRecording(bounds);
   context.fillRect(FloatRect(0, 0, 100, 100), opaque, SkBlendMode::kSrcOver);
   record = context.endRecording();
   // Make sure the opaque region was unaffected by the rect drawn during
   // recording.
   EXPECT_OPAQUE_PIXELS_ONLY_IN_RECT(bitmap, IntRect(0, 0, 50, 50))
 
   canvas.drawPicture(record.get());
   EXPECT_OPAQUE_PIXELS_ONLY_IN_RECT(bitmap, IntRect(0, 0, 100, 100))
 }
 
 TEST(GraphicsContextTest, UnboundedDrawsAreClipped) {
   SkBitmap bitmap;
   bitmap.allocN32Pixels(400, 400);
   bitmap.eraseColor(0);
-  PaintCanvas canvas(bitmap);
+  SkiaPaintCanvas canvas(bitmap);
 
   Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
   Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
   FloatRect bounds(0, 0, 100, 100);
 
   std::unique_ptr<PaintController> paintController = PaintController::create();
   GraphicsContext context(*paintController);
   context.beginRecording(bounds);
 
   context.setShouldAntialias(false);
@@ skipping 27 matching lines @@
   flags.setColor(alpha.rgb());
   flags.setBlendMode(SkBlendMode::kSrcOut);
   context.drawPath(path.getSkPath(), flags);
 
   record = context.endRecording();
   canvas.drawPicture(record.get());
   EXPECT_OPAQUE_PIXELS_IN_RECT(bitmap, IntRect(20, 10, 30, 40));
 }
 
 }  // namespace blink