SPv2: Add support for tracking raster paint invalidations in testing.

third_party/WebKit/Source/platform/scroll/ScrollableAreaTest.cpp

 // 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 "platform/scroll/ScrollableArea.h"
 
 #include "platform/graphics/Color.h"
 #include "platform/graphics/GraphicsLayer.h"
 #include "platform/scroll/ScrollbarTestSuite.h"
 #include "platform/scroll/ScrollbarTheme.h"
@@ skipping 67 matching lines @@
 
   // Forced GC in order to finalize objects depending on the mock object.
   ThreadState::current()->collectAllGarbage();
 }
 
 TEST_F(ScrollableAreaTest, ScrollbarGraphicsLayerInvalidation) {
   ScrollbarTheme::setMockScrollbarsEnabled(true);
   MockScrollableArea* scrollableArea =
       MockScrollableArea::create(IntPoint(0, 100));
   FakeGraphicsLayerClient graphicsLayerClient;
-  graphicsLayerClient.setIsTrackingPaintInvalidations(true);
+  graphicsLayerClient.setIsTrackingRasterInvalidations(true);
   FakeGraphicsLayer graphicsLayer(&graphicsLayerClient);
   graphicsLayer.setDrawsContent(true);
   graphicsLayer.setSize(FloatSize(111, 222));
 
   EXPECT_CALL(*scrollableArea, layerForHorizontalScrollbar())
       .WillRepeatedly(Return(&graphicsLayer));
 
   Scrollbar* scrollbar = Scrollbar::create(scrollableArea, HorizontalScrollbar,
                                            RegularScrollbar, nullptr);
-  graphicsLayer.resetTrackedPaintInvalidations();
+  graphicsLayer.resetTrackedRasterInvalidations();
   scrollbar->setNeedsPaintInvalidation(NoPart);
-  EXPECT_TRUE(graphicsLayer.hasTrackedPaintInvalidations());
+  EXPECT_TRUE(graphicsLayer.hasTrackedRasterInvalidations());
 
   // Forced GC in order to finalize objects depending on the mock object.
   ThreadState::current()->collectAllGarbage();
 }
 
 TEST_F(ScrollableAreaTest, InvalidatesNonCompositedScrollbarsWhenThumbMoves) {
   ScrollbarThemeWithMockInvalidation theme;
   MockScrollableArea* scrollableArea =
       MockScrollableArea::create(IntPoint(100, 100));
   Scrollbar* horizontalScrollbar = Scrollbar::createForTesting(
@@ skipping 45 matching lines @@
   verticalScrollbar->clearTrackNeedsRepaint();
   verticalScrollbar->clearThumbNeedsRepaint();
   EXPECT_CALL(*scrollableArea, horizontalScrollbar())
       .WillRepeatedly(Return(horizontalScrollbar));
   EXPECT_CALL(*scrollableArea, verticalScrollbar())
       .WillRepeatedly(Return(verticalScrollbar));
 
   // Composited scrollbars only need repainting when parts become invalid
   // (e.g. if the track changes appearance when the thumb reaches the end).
   FakeGraphicsLayerClient graphicsLayerClient;
-  graphicsLayerClient.setIsTrackingPaintInvalidations(true);
+  graphicsLayerClient.setIsTrackingRasterInvalidations(true);
   FakeGraphicsLayer layerForHorizontalScrollbar(&graphicsLayerClient);
   layerForHorizontalScrollbar.setDrawsContent(true);
   layerForHorizontalScrollbar.setSize(FloatSize(10, 10));
   FakeGraphicsLayer layerForVerticalScrollbar(&graphicsLayerClient);
   layerForVerticalScrollbar.setDrawsContent(true);
   layerForVerticalScrollbar.setSize(FloatSize(10, 10));
   EXPECT_CALL(*scrollableArea, layerForHorizontalScrollbar())
       .WillRepeatedly(Return(&layerForHorizontalScrollbar));
   EXPECT_CALL(*scrollableArea, layerForVerticalScrollbar())
       .WillRepeatedly(Return(&layerForVerticalScrollbar));
   ASSERT_TRUE(scrollableArea->hasLayerForHorizontalScrollbar());
   ASSERT_TRUE(scrollableArea->hasLayerForVerticalScrollbar());
   EXPECT_CALL(theme, shouldRepaintAllPartsOnInvalidation())
       .WillRepeatedly(Return(false));
 
   // First, we'll scroll horizontally, and the theme will require repainting
   // the back button (i.e. the track).
   EXPECT_CALL(theme, invalidateOnThumbPositionChange(_, _, _))
       .WillOnce(Return(BackButtonStartPart));
   scrollableArea->setScrollPosition(DoublePoint(50, 0), ProgrammaticScroll);
-  EXPECT_TRUE(layerForHorizontalScrollbar.hasTrackedPaintInvalidations());
-  EXPECT_FALSE(layerForVerticalScrollbar.hasTrackedPaintInvalidations());
+  EXPECT_TRUE(layerForHorizontalScrollbar.hasTrackedRasterInvalidations());
+  EXPECT_FALSE(layerForVerticalScrollbar.hasTrackedRasterInvalidations());
   EXPECT_TRUE(horizontalScrollbar->trackNeedsRepaint());
   EXPECT_FALSE(horizontalScrollbar->thumbNeedsRepaint());
-  layerForHorizontalScrollbar.resetTrackedPaintInvalidations();
+  layerForHorizontalScrollbar.resetTrackedRasterInvalidations();
   horizontalScrollbar->clearTrackNeedsRepaint();
 
   // Next, we'll scroll vertically, but invalidate the thumb.
   EXPECT_CALL(theme, invalidateOnThumbPositionChange(_, _, _))
       .WillOnce(Return(ThumbPart));
   scrollableArea->setScrollPosition(DoublePoint(50, 50), ProgrammaticScroll);
-  EXPECT_FALSE(layerForHorizontalScrollbar.hasTrackedPaintInvalidations());
-  EXPECT_TRUE(layerForVerticalScrollbar.hasTrackedPaintInvalidations());
+  EXPECT_FALSE(layerForHorizontalScrollbar.hasTrackedRasterInvalidations());
+  EXPECT_TRUE(layerForVerticalScrollbar.hasTrackedRasterInvalidations());
   EXPECT_FALSE(verticalScrollbar->trackNeedsRepaint());
   EXPECT_TRUE(verticalScrollbar->thumbNeedsRepaint());
-  layerForVerticalScrollbar.resetTrackedPaintInvalidations();
+  layerForVerticalScrollbar.resetTrackedRasterInvalidations();
   verticalScrollbar->clearThumbNeedsRepaint();
 
   // Next we'll scroll in both, but the thumb position moving requires no
   // invalidations. Nonetheless the GraphicsLayer should be invalidated,
   // because we still need to update the underlying layer (though no
   // rasterization will be required).
   EXPECT_CALL(theme, invalidateOnThumbPositionChange(_, _, _))
       .Times(2)
       .WillRepeatedly(Return(NoPart));
   scrollableArea->setScrollPosition(DoublePoint(70, 70), ProgrammaticScroll);
-  EXPECT_TRUE(layerForHorizontalScrollbar.hasTrackedPaintInvalidations());
-  EXPECT_TRUE(layerForVerticalScrollbar.hasTrackedPaintInvalidations());
+  EXPECT_TRUE(layerForHorizontalScrollbar.hasTrackedRasterInvalidations());
+  EXPECT_TRUE(layerForVerticalScrollbar.hasTrackedRasterInvalidations());
   EXPECT_FALSE(horizontalScrollbar->trackNeedsRepaint());
   EXPECT_FALSE(horizontalScrollbar->thumbNeedsRepaint());
   EXPECT_FALSE(verticalScrollbar->trackNeedsRepaint());
   EXPECT_FALSE(verticalScrollbar->thumbNeedsRepaint());
 
   // Forced GC in order to finalize objects depending on the mock object.
   ThreadState::current()->collectAllGarbage();
 }
 
 TEST_F(ScrollableAreaTest, RecalculatesScrollbarOverlayIfBackgroundChanges) {
   MockScrollableArea* scrollableArea =
       MockScrollableArea::create(IntPoint(0, 100));
 
   EXPECT_EQ(ScrollbarOverlayStyleDefault,
             scrollableArea->getScrollbarOverlayStyle());
   scrollableArea->recalculateScrollbarOverlayStyle(Color(34, 85, 51));
   EXPECT_EQ(ScrollbarOverlayStyleLight,
             scrollableArea->getScrollbarOverlayStyle());
   scrollableArea->recalculateScrollbarOverlayStyle(Color(236, 143, 185));
   EXPECT_EQ(ScrollbarOverlayStyleDefault,
             scrollableArea->getScrollbarOverlayStyle());
 }
 
 }  // namespace blink