Replace ASSERT with DCHECK in modules/

third_party/WebKit/Source/modules/csspaint/CSSPaintImageGeneratorImpl.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/csspaint/CSSPaintImageGeneratorImpl.h"
 
 #include "core/dom/Document.h"
 #include "core/frame/LocalDOMWindow.h"
 #include "modules/csspaint/CSSPaintDefinition.h"
 #include "modules/csspaint/PaintWorklet.h"
@@ skipping 24 matching lines @@
 CSSPaintImageGeneratorImpl::CSSPaintImageGeneratorImpl(
     CSSPaintDefinition* definition)
     : definition_(definition) {}
 
 CSSPaintImageGeneratorImpl::CSSPaintImageGeneratorImpl(Observer* observer)
     : observer_(observer) {}
 
 CSSPaintImageGeneratorImpl::~CSSPaintImageGeneratorImpl() {}
 
 void CSSPaintImageGeneratorImpl::SetDefinition(CSSPaintDefinition* definition) {
-  ASSERT(!definition_);
+  DCHECK(!definition_);
   definition_ = definition;
 
-  ASSERT(observer_);
+  DCHECK(observer_);
   observer_->PaintImageGeneratorReady();
 }
 
 PassRefPtr<Image> CSSPaintImageGeneratorImpl::Paint(
     const LayoutObject& layout_object,
     const IntSize& size,
     const CSSStyleValueVector* data) {
   return definition_ ? definition_->Paint(layout_object, size, data) : nullptr;
 }
 
@@ skipping 25 matching lines @@
   return definition_;
 }
 
 DEFINE_TRACE(CSSPaintImageGeneratorImpl) {
   visitor->Trace(definition_);
   visitor->Trace(observer_);
   CSSPaintImageGenerator::Trace(visitor);
 }
 
 }  // namespace blink