Replace remaining ASSERT with DCHECK|DCHECK_FOO in modules

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

 /*
  * Copyright (C) 2006, 2008 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>
  *
  * 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
@@ skipping 110 matching lines @@
           flags, AffineTransformToSkMatrix(GetCanvasPattern()->GetTransform()));
       break;
     default:
       NOTREACHED();
   }
 }
 
 RGBA32 CanvasStyle::PaintColor() const {
   if (type_ == kColorRGBA)
     return rgba_;
-  ASSERT(type_ == kGradient || type_ == kImagePattern);
+  DCHECK(type_ == kGradient || type_ == kImagePattern);
   return Color::kBlack;
 }
 
 DEFINE_TRACE(CanvasStyle) {
   visitor->Trace(gradient_);
   visitor->Trace(pattern_);
 }
 
 }  // namespace blink