Replace ASSERT with DCHECK in core/

third_party/WebKit/Source/core/frame/SmartClip.cpp

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 184 matching lines @@
     node = NodeTraversal::Next(*node, root_node);
   }
 
   return min_node;
 }
 
 // This function appears to heuristically guess whether to include a background
 // image in the smart clip. It seems to want to include sprites created from
 // CSS background images but to skip actual backgrounds.
 bool SmartClip::ShouldSkipBackgroundImage(Node* node) {
-  ASSERT(node);
+  DCHECK(node);
   // Apparently we're only interested in background images on spans and divs.
   if (!isHTMLSpanElement(*node) && !isHTMLDivElement(*node))
     return true;
 
   // This check actually makes a bit of sense. If you're going to sprite an
   // image out of a CSS background, you're probably going to specify a height
   // or a width. On the other hand, if we've got a legit background image,
   // it's very likely the height or the width will be set to auto.
   LayoutObject* layout_object = node->GetLayoutObject();
   if (layout_object && (layout_object->Style()->LogicalHeight().IsAuto() ||
@@ skipping 50 matching lines @@
 
         result.Append(node_value);
       }
     }
   }
 
   return result.ToString();
 }
 
 }  // namespace blink