Move Resource subclasses out of fetch/

Source/core/html/HTMLImageFallbackHelper.cpp

 // Copyright 2014 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 "config.h"
 #include "core/html/HTMLImageFallbackHelper.h"
 
 #include "core/HTMLNames.h"
 #include "core/InputTypeNames.h"
 #include "core/dom/ElementRareData.h"
 #include "core/dom/Text.h"
 #include "core/dom/shadow/ShadowRoot.h"
-#include "core/fetch/ImageResource.h"
 #include "core/html/FormDataList.h"
 #include "core/html/HTMLDivElement.h"
 #include "core/html/HTMLElement.h"
 #include "core/html/HTMLImageElement.h"
 #include "core/html/HTMLImageLoader.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/HTMLStyleElement.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/text/StringBuilder.h"
 
@@ skipping 83 matching lines @@
     // This preserves legacy behaviour originally defined when alt-text was managed by LayoutImage.
     if (noImageSourceSpecified(element))
         brokenImage->setInlineStyleProperty(CSSPropertyDisplay, CSSValueNone);
     else
         brokenImage->setInlineStyleProperty(CSSPropertyDisplay, CSSValueInline);
 
     return newStyle;
 }
 
 } // namespace blink