RELEASE_ASSERT -> CHECK and ASSERT -> DCHECK in web.

third_party/WebKit/Source/web/WebFrameSerializer.cpp

 /*
  * Copyright (C) 2009 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 93 matching lines @@
     auto* frameOwnerElement = toHTMLFrameOwnerElement(&element);
     Frame* frame = frameOwnerElement->contentFrame();
     if (!frame)
         return false;
 
     WebString contentID = m_webDelegate.getContentID(WebFrame::fromFrame(frame));
     if (contentID.isNull())
         return false;
 
     KURL cidURI = MHTMLParser::convertContentIDToURI(contentID);
-    ASSERT(cidURI.isValid());
+    DCHECK(cidURI.isValid());
 
     if (isHTMLFrameElementBase(&element)) {
         rewrittenLink = cidURI.getString();
         return true;
     }
 
     if (isHTMLObjectElement(&element)) {
         Document* doc = frameOwnerElement->contentDocument();
         bool isHandledBySerializer = doc->isHTMLDocument()
             || doc->isXHTMLDocument() || doc->isImageDocument();
@@ skipping 22 matching lines @@
     MHTMLArchive::generateMHTMLHeader(
         boundary, document->title(), document->suggestedMIMEType(),
         *buffer);
     return buffer.release();
 }
 
 WebData WebFrameSerializer::generateMHTMLParts(
     const WebString& boundary, WebLocalFrame* webFrame, bool useBinaryEncoding,
     MHTMLPartsGenerationDelegate* webDelegate)
 {
-    ASSERT(webFrame);
-    ASSERT(webDelegate);
+    DCHECK(webFrame);
+    DCHECK(webDelegate);
 
     // Translate arguments from public to internal blink APIs.
     LocalFrame* frame = toWebLocalFrameImpl(webFrame)->frame();
     MHTMLArchive::EncodingPolicy encodingPolicy = useBinaryEncoding
         ? MHTMLArchive::EncodingPolicy::UseBinaryEncoding
         : MHTMLArchive::EncodingPolicy::UseDefaultEncoding;
 
     // Serialize.
     Vector<SerializedResource> resources;
     MHTMLFrameSerializerDelegate coreDelegate(*webDelegate);
@@ skipping 54 matching lines @@
 WebString WebFrameSerializer::generateBaseTagDeclaration(const WebString& baseTarget)
 {
     // TODO(yosin) We should call |FrameSerializer::baseTagDeclarationOf()|.
     if (baseTarget.isEmpty())
         return String("<base href=\".\">");
     String baseString = "<base href=\".\" target=\"" + static_cast<const String&>(baseTarget) + "\">";
     return baseString;
 }
 
 } // namespace blink