Only generate suggested filenames when actually dragging an image.

third_party/WebKit/Source/platform/exported/WebURLResponse.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 160 matching lines @@
 }
 
 WebString WebURLResponse::textEncodingName() const {
   return m_resourceResponse->textEncodingName();
 }
 
 void WebURLResponse::setTextEncodingName(const WebString& textEncodingName) {
   m_resourceResponse->setTextEncodingName(textEncodingName);
 }
 
-WebString WebURLResponse::suggestedFileName() const {
-  return m_resourceResponse->suggestedFilename();
-}
-
-void WebURLResponse::setSuggestedFileName(const WebString& suggestedFileName) {
-  m_resourceResponse->setSuggestedFilename(suggestedFileName);
-}
-
 WebURLResponse::HTTPVersion WebURLResponse::httpVersion() const {
   return static_cast<HTTPVersion>(m_resourceResponse->httpVersion());
 }
 
 void WebURLResponse::setHTTPVersion(HTTPVersion version) {
   m_resourceResponse->setHTTPVersion(
       static_cast<ResourceResponse::HTTPVersion>(version));
 }
 
 int WebURLResponse::httpStatusCode() const {
@@ skipping 274 matching lines @@
   m_resourceResponse->setExtraData(ExtraDataContainer::create(extraData));
 }
 
 void WebURLResponse::appendRedirectResponse(const WebURLResponse& response) {
   m_resourceResponse->appendRedirectResponse(response.toResourceResponse());
 }
 
 WebURLResponse::WebURLResponse(ResourceResponse& r) : m_resourceResponse(&r) {}
 
 }  // namespace blink