Simplify ImageResource::canRender()

third_party/WebKit/Source/core/css/CSSCrossfadeValue.cpp

 /*
  * Copyright (C) 2011 Apple Inc.  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.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 70 matching lines @@
 
     ASSERT_NOT_REACHED();
 
     return nullptr;
 }
 
 static Image* renderableImageForCSSValue(CSSValue* value, const LayoutObject* layoutObject)
 {
     ImageResource* cachedImage = cachedImageForCSSValue(value, &layoutObject->document());
 
-    // If the image can be rendered at 1 zoom it will have non-empty dimension
-    // and should be able to render at other scales as well.
-    if (!cachedImage || !cachedImage->canRender(*layoutObject, 1))
+    if (!cachedImage || !cachedImage->canRender())
         return nullptr;
 
     return cachedImage->image();
 }
 
 CSSCrossfadeValue::~CSSCrossfadeValue()
 {
     if (m_cachedFromImage)
         m_cachedFromImage->removeClient(&m_crossfadeSubimageObserver);
     if (m_cachedToImage)
@@ skipping 131 matching lines @@
 DEFINE_TRACE_AFTER_DISPATCH(CSSCrossfadeValue)
 {
     visitor->trace(m_fromValue);
     visitor->trace(m_toValue);
     visitor->trace(m_percentageValue);
     visitor->trace(m_crossfadeSubimageObserver);
     CSSImageGeneratorValue::traceAfterDispatch(visitor);
 }
 
 } // namespace blink