Update content/renderer code to use WebElementCollection instead of WebNodeCollection

content/renderer/savable_resources.cc

 // Copyright (c) 2013 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 "content/renderer/savable_resources.h"
 
 #include <set>
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/strings/string_util.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebVector.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebElement.h"
+#include "third_party/WebKit/public/web/WebElementCollection.h"
 #include "third_party/WebKit/public/web/WebFrame.h"
 #include "third_party/WebKit/public/web/WebInputElement.h"
 #include "third_party/WebKit/public/web/WebNode.h"
-#include "third_party/WebKit/public/web/WebNodeCollection.h"
 #include "third_party/WebKit/public/web/WebNodeList.h"
 #include "third_party/WebKit/public/web/WebView.h"
 
 using blink::WebDocument;
 using blink::WebElement;
+using blink::WebElementCollection;
 using blink::WebFrame;
 using blink::WebInputElement;
 using blink::WebNode;
-using blink::WebNodeCollection;
 using blink::WebNodeList;
 using blink::WebString;
 using blink::WebVector;
 using blink::WebView;
 
 namespace content {
 namespace {
 
 // Structure for storage the unique set of all savable resource links for
 // making sure that no duplicated resource link in final result. The consumer
@@ skipping 84 matching lines @@
   if (!is_valid_protocol)
     return;
 
   // If find same frame we have recorded, ignore it.
   if (!unique_check->frames_set->insert(current_frame_url).second)
     return;
 
   // Get current using document.
   WebDocument current_doc = current_frame->document();
   // Go through all descent nodes.
-  WebNodeCollection all = current_doc.all();
-  // Go through all node in this frame.
-  for (WebNode node = all.firstItem(); !node.isNull();
-       node = all.nextItem()) {
-    // We only save HTML resources.
-    if (!node.isElementNode())
-      continue;
-    WebElement element = node.to<WebElement>();
+  WebElementCollection all = current_doc.all();
+  // Go through all elements in this frame.
+  for (WebElement element = all.firstItem(); !element.isNull();
+       element = all.nextItem()) {
     GetSavableResourceLinkForElement(element,
                                      current_doc,
                                      unique_check,
                                      result);
   }
 }
 
 }  // namespace
 
 WebString GetSubResourceLinkFromElement(const WebElement& element) {
@@ skipping 78 matching lines @@
        it != frames_set.end(); ++it) {
     // Append unique frame source to savable frame list.
     if (resources_set.find(*it) == resources_set.end())
       result->frames_list->push_back(*it);
   }
 
   return true;
 }
 
 }  // namespace content