(WIP) Invalidation during painting (for synchronized painting)

third_party/WebKit/Source/core/paint/LayerClipRecorderTest.cpp

 // 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 "core/paint/LayerClipRecorder.h"
 
 #include "core/layout/LayoutTestHelper.h"
 #include "core/layout/LayoutView.h"
 #include "core/layout/compositing/PaintLayerCompositor.h"
 #include "core/paint/LayoutObjectDrawingRecorder.h"
@@ skipping 33 matching lines @@
     LayoutRect rect(1, 1, 9, 9);
     ClipRect clipRect(rect);
     LayerClipRecorder LayerClipRecorder(context, *layoutView.compositor()->rootLayer()->layoutObject(), DisplayItem::ClipLayerForeground, clipRect, 0, LayoutPoint(), PaintLayerFlags());
 }
 
 void drawRectInClip(GraphicsContext& context, LayoutView& layoutView, PaintPhase phase, const LayoutRect& bound)
 {
     IntRect rect(1, 1, 9, 9);
     ClipRect clipRect((LayoutRect(rect)));
     LayerClipRecorder LayerClipRecorder(context, *layoutView.compositor()->rootLayer()->layoutObject(), DisplayItem::ClipLayerForeground, clipRect, 0, LayoutPoint(), PaintLayerFlags());
-    if (!LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(context, layoutView, phase, LayoutPoint())) {
-        LayoutObjectDrawingRecorder drawingRecorder(context, layoutView, phase, bound, LayoutPoint());
+    if (!LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(context, layoutView, phase)) {
+        LayoutObjectDrawingRecorder drawingRecorder(context, layoutView, phase, bound);
         context.drawRect(rect);
     }
 }
 
 TEST_F(LayerClipRecorderTest, Single)
 {
     rootPaintController().invalidateAll();
     GraphicsContext context(rootPaintController());
     LayoutRect bound = layoutView().viewRect();
     EXPECT_EQ((size_t)0, rootPaintController().displayItemList().size());
@@ skipping 12 matching lines @@
     GraphicsContext context(rootPaintController());
     EXPECT_EQ((size_t)0, rootPaintController().displayItemList().size());
 
     drawEmptyClip(context, layoutView(), PaintPhaseForeground);
     rootPaintController().commitNewDisplayItems();
     EXPECT_EQ((size_t)0, rootPaintController().displayItemList().size());
 }
 
 } // namespace
 } // namespace blink