(WIP) Invalidation during painting (for synchronized painting)

third_party/WebKit/Source/core/paint/FramePainter.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/FramePainter.h"
 
 #include "core/editing/markers/DocumentMarkerController.h"
 #include "core/fetch/MemoryCache.h"
 #include "core/frame/FrameView.h"
 #include "core/inspector/InspectorInstrumentation.h"
@@ skipping 90 matching lines @@
         fillWithRed = false; // Printing, don't fill with red (can't remember why).
     else if (frameView().frame().owner())
         fillWithRed = false; // Subframe, don't fill with red.
     else if (frameView().isTransparent())
         fillWithRed = false; // Transparent, don't fill with red.
     else if (globalPaintFlags & GlobalPaintSelectionOnly)
         fillWithRed = false; // Selections are transparent, don't fill with red.
     else
         fillWithRed = true;
 
-    if (fillWithRed && !LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(context, *frameView().layoutView(), DisplayItem::DebugRedFill, LayoutPoint())) {
+    if (fillWithRed && !LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(context, *frameView().layoutView(), DisplayItem::DebugRedFill)) {
         IntRect contentRect(IntPoint(), frameView().contentsSize());
-        LayoutObjectDrawingRecorder drawingRecorder(context, *frameView().layoutView(), DisplayItem::DebugRedFill, contentRect, LayoutPoint());
+        LayoutObjectDrawingRecorder drawingRecorder(context, *frameView().layoutView(), DisplayItem::DebugRedFill, contentRect);
     }
 #endif
 
     LayoutView* layoutView = frameView().layoutView();
     if (!layoutView) {
         WTF_LOG_ERROR("called FramePainter::paint with nil layoutObject");
         return;
     }
 
     if (!frameView().shouldThrottleRendering()) {
@@ skipping 61 matching lines @@
     if (frameView().layerForScrollCorner())
         return;
 
     paintScrollCorner(context, frameView().scrollCornerRect());
 }
 
 void FramePainter::paintScrollCorner(GraphicsContext& context, const IntRect& cornerRect)
 {
     if (frameView().scrollCorner()) {
         bool needsBackground = frameView().frame().isMainFrame();
-        if (needsBackground && !LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(context, *frameView().layoutView(), DisplayItem::ScrollbarCorner, LayoutPoint())) {
-            LayoutObjectDrawingRecorder drawingRecorder(context, *frameView().layoutView(), DisplayItem::ScrollbarCorner, FloatRect(cornerRect), LayoutPoint());
+        if (needsBackground && !LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(context, *frameView().layoutView(), DisplayItem::ScrollbarCorner)) {
+            LayoutObjectDrawingRecorder drawingRecorder(context, *frameView().layoutView(), DisplayItem::ScrollbarCorner, FloatRect(cornerRect));
             context.fillRect(cornerRect, frameView().baseBackgroundColor());
 
         }
         ScrollbarPainter::paintIntoRect(*frameView().scrollCorner(), context, cornerRect.location(), LayoutRect(cornerRect));
         return;
     }
 
     ScrollbarTheme::theme().paintScrollCorner(context, *frameView().layoutView(), cornerRect);
 }
 
 void FramePainter::paintScrollbar(GraphicsContext& context, Scrollbar& bar, const IntRect& rect)
 {
     bool needsBackground = bar.isCustomScrollbar() && frameView().frame().isMainFrame();
     if (needsBackground) {
         IntRect toFill = bar.frameRect();
         toFill.intersect(rect);
         context.fillRect(toFill, frameView().baseBackgroundColor());
     }
 
     bar.paint(context, CullRect(rect));
 }
 
 const FrameView& FramePainter::frameView()
 {
     ASSERT(m_frameView);
     return *m_frameView;
 }
 
 } // namespace blink