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 64 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(scrollableArea, HorizontalScrollbar, RegularScrollbar, &theme);
@@ skipping 33 matching lines @@
     horizontalScrollbar->clearThumbNeedsRepaint();
     Scrollbar* verticalScrollbar = Scrollbar::createForTesting(scrollableArea, VerticalScrollbar, RegularScrollbar, &theme);
     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