Simplify ImageResource::canRender()

third_party/WebKit/Source/core/layout/LayoutObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 938 matching lines @@
 }
 
 bool LayoutObject::mustInvalidateFillLayersPaintOnHeightChange(const FillLayer& layer) const
 {
     // Nobody will use multiple layers without wanting fancy positioning.
     if (layer.next())
         return true;
 
     // Make sure we have a valid image.
     StyleImage* img = layer.image();
-    if (!img || !img->canRender(*this, style()->effectiveZoom()))
+    if (!img || !img->canRender())
         return false;
 
     if (layer.repeatY() != RepeatFill && layer.repeatY() != NoRepeatFill)
         return true;
 
     // TODO(alancutter): Make this work correctly for calc lengths.
     if (layer.yPosition().hasPercent() && !layer.yPosition().isZero())
         return true;
 
     if (layer.backgroundYOrigin() != TopEdge)
@@ skipping 2518 matching lines @@
         const blink::LayoutObject* root = object1;
         while (root->parent())
             root = root->parent();
         root->showLayoutTreeAndMark(object1, "*", object2, "-", 0);
     } else {
         fprintf(stderr, "Cannot showLayoutTree. Root is (nil)\n");
     }
 }
 
 #endif