Remove a part of type checking predicates of HTMLInputElement.

Source/core/page/PageSerializer.cpp

 /*
  * Copyright (C) 2011 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 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "core/page/PageSerializer.h"
 
 #include "core/HTMLNames.h"
+#include "core/InputTypeNames.h"
 #include "core/css/CSSFontFaceRule.h"
 #include "core/css/CSSFontFaceSrcValue.h"
 #include "core/css/CSSImageValue.h"
 #include "core/css/CSSImportRule.h"
 #include "core/css/CSSStyleDeclaration.h"
 #include "core/css/CSSStyleRule.h"
 #include "core/css/CSSValueList.h"
 #include "core/css/StylePropertySet.h"
 #include "core/css/StyleRule.h"
 #include "core/css/StyleSheetContents.h"
@@ skipping 179 matching lines @@
         if (element.isStyledElement())
             retrieveResourcesForProperties(element.inlineStyle(), document);
 
         if (isHTMLImageElement(element)) {
             HTMLImageElement& imageElement = toHTMLImageElement(element);
             KURL url = document.completeURL(imageElement.getAttribute(HTMLNames::srcAttr));
             ImageResource* cachedImage = imageElement.cachedImage();
             addImageToResources(cachedImage, imageElement.renderer(), url);
         } else if (isHTMLInputElement(element)) {
             HTMLInputElement& inputElement = toHTMLInputElement(element);
-            if (inputElement.isImageButton() && inputElement.hasImageLoader()) {
+            if (inputElement.type() == InputTypeNames::image && inputElement.hasImageLoader()) {
                 KURL url = inputElement.src();
                 ImageResource* cachedImage = inputElement.imageLoader()->image();
                 addImageToResources(cachedImage, inputElement.renderer(), url);
             }
         } else if (isHTMLLinkElement(element)) {
             HTMLLinkElement& linkElement = toHTMLLinkElement(element);
             if (CSSStyleSheet* sheet = linkElement.sheet()) {
                 KURL url = document.completeURL(linkElement.getAttribute(HTMLNames::hrefAttr));
                 serializeCSSStyleSheet(*sheet, url);
                 ASSERT(m_resourceURLs.contains(url));
@@ skipping 137 matching lines @@
     if (iter != m_blankFrameURLs.end())
         return iter->value;
     String url = "wyciwyg://frame/" + String::number(m_blankFrameCounter++);
     KURL fakeURL(ParsedURLString, url);
     m_blankFrameURLs.add(frame, fakeURL);
 
     return fakeURL;
 }
 
 }