blink: Fix cc/paint skia type mismatches

third_party/WebKit/Source/core/html/HTMLCanvasElement.cpp

 /*
  * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alp Toker <alp@atoker.com>
  * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 319 matching lines @@
     m_imageBuffer->finalizeFrame();
   notifyListenersCanvasChanged();
 }
 
 void HTMLCanvasElement::didDisableAcceleration() {
   // We must force a paint invalidation on the canvas even if it's
   // content did not change because it layer was destroyed.
   didDraw(FloatRect(0, 0, size().width(), size().height()));
 }
 
-void HTMLCanvasElement::restoreCanvasMatrixClipStack(SkCanvas* canvas) const {
+void HTMLCanvasElement::restoreCanvasMatrixClipStack(
+    PaintCanvas* canvas) const {
   if (m_context)
     m_context->restoreCanvasMatrixClipStack(canvas);
 }
 
 void HTMLCanvasElement::doDeferredPaintInvalidation() {
   DCHECK(!m_dirtyRect.isEmpty());
   if (m_context->is2d()) {
     FloatRect srcRect(0, 0, size().width(), size().height());
     m_dirtyRect.intersect(srcRect);
     LayoutBox* lb = layoutBox();
@@ skipping 1103 matching lines @@
     // Creates a placeholder layer first before Surface is created.
     m_surfaceLayerBridge->createSolidColorLayer();
   }
 }
 
 void HTMLCanvasElement::OnWebLayerReplaced() {
   setNeedsCompositingUpdate();
 }
 
 }  // namespace blink