Inflate dirty rect by 1 pixel on a high DPI display

third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2D.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2007 Alp Toker <alp@atoker.com>
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008 Dirk Schulze <krit@webkit.org>
  * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved.
  * Copyright (C) 2012, 2013 Intel Corporation. All rights reserved.
  * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
  *
@@ skipping 284 matching lines @@
     ASSERT(m_stateStack.begin() < m_stateStack.end());
     for (currState = m_stateStack.begin(); currState < m_stateStack.end(); currState++) {
         c->setMatrix(SkMatrix::I());
         currState->get()->playbackClips(c);
         c->setMatrix(affineTransformToSkMatrix(currState->get()->transform()));
         c->save();
     }
     c->restore();
 }
 
+bool CanvasRenderingContext2D::shouldAntialias() const
+{
+    return state().shouldAntialias();
+}
+
 void CanvasRenderingContext2D::setShouldAntialias(bool doAA)
 {
     modifiableState().setShouldAntialias(doAA);
 }
 
 void CanvasRenderingContext2D::scrollPathIntoView()
 {
     scrollPathIntoViewInternal(m_path);
 }
 
@@ skipping 740 matching lines @@
 
 unsigned CanvasRenderingContext2D::hitRegionsCount() const
 {
     if (m_hitRegionManager)
         return m_hitRegionManager->getHitRegionsCount();
 
     return 0;
 }
 
 } // namespace blink