Allocate a drawing recorder locally to BoxPainter code in the mask phase.

Source/core/paint/BlockPainter.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 "config.h"
 #include "core/paint/BlockPainter.h"
 
 #include "core/editing/FrameSelection.h"
 #include "core/frame/Settings.h"
 #include "core/layout/LayoutFlexibleBox.h"
@@ skipping 142 matching lines @@
         layoutObject.paint(info, childPoint);
         info.phase = PaintPhaseForeground;
         layoutObject.paint(info, childPoint);
         info.phase = PaintPhaseOutline;
         layoutObject.paint(info, childPoint);
     }
 }
 
 void BlockPainter::paintObject(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
 {
-    PaintPhase paintPhase = paintInfo.phase;
+    const PaintPhase paintPhase = paintInfo.phase;
 
     LayoutRect bounds;
     if (RuntimeEnabledFeatures::slimmingPaintEnabled()) {
         bounds = m_layoutBlock.visualOverflowRect();
         bounds.moveBy(paintOffset);
     }
 
     if ((paintPhase == PaintPhaseBlockBackground || paintPhase == PaintPhaseChildBlockBackground)
         && m_layoutBlock.style()->visibility() == VISIBLE
         && m_layoutBlock.hasBoxDecorationBackground())
         m_layoutBlock.paintBoxDecorationBackground(paintInfo, paintOffset);
 
     if (paintPhase == PaintPhaseMask && m_layoutBlock.style()->visibility() == VISIBLE) {
-        LayoutObjectDrawingRecorder recorder(*paintInfo.context, m_layoutBlock, paintPhase, bounds);
-        if (!recorder.canUseCachedDrawing())
-            m_layoutBlock.paintMask(paintInfo, paintOffset);
+        m_layoutBlock.paintMask(paintInfo, paintOffset);
         return;
     }
 
     if (paintPhase == PaintPhaseClippingMask && m_layoutBlock.style()->visibility() == VISIBLE) {
         BoxPainter(m_layoutBlock).paintClippingMask(paintInfo, paintOffset);
         return;
     }
 
     // FIXME: When Skia supports annotation rect covering (https://code.google.com/p/skia/issues/detail?id=3872),
     // this rect may be covered by foreground and descendant drawings. Then we may need a dedicated paint phase.
@@ skipping 156 matching lines @@
         LayoutBlock* block = flow->containingBlock();
         for ( ; block && block != &m_layoutBlock; block = block->containingBlock())
             accumulatedPaintOffset.moveBy(block->location());
         ASSERT(block);
         InlinePainter(*flow).paintOutline(info, accumulatedPaintOffset);
     }
 }
 
 
 } // namespace blink