Update WebNode::getElementsByTagName() callers to use a WebNodeCollection

android_webview/renderer/aw_render_view_ext.cc

 // Copyright (c) 2012 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 "android_webview/renderer/aw_render_view_ext.h"
 
 #include <string>
 
 #include "android_webview/common/aw_hit_test_data.h"
 #include "android_webview/common/render_view_messages.h"
 #include "base/bind.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "content/public/common/url_constants.h"
 #include "content/public/renderer/android_content_detection_prefixes.h"
 #include "content/public/renderer/document_state.h"
 #include "content/public/renderer/render_view.h"
 #include "skia/ext/refptr.h"
 #include "third_party/WebKit/public/platform/WebSize.h"
 #include "third_party/WebKit/public/platform/WebURL.h"
 #include "third_party/WebKit/public/platform/WebVector.h"
 #include "third_party/WebKit/public/web/WebDataSource.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebElement.h"
 #include "third_party/WebKit/public/web/WebFrame.h"
 #include "third_party/WebKit/public/web/WebHitTestResult.h"
 #include "third_party/WebKit/public/web/WebImageCache.h"
 #include "third_party/WebKit/public/web/WebNode.h"
-#include "third_party/WebKit/public/web/WebNodeList.h"
+#include "third_party/WebKit/public/web/WebNodeCollection.h"
 #include "third_party/WebKit/public/web/WebSecurityOrigin.h"
 #include "third_party/WebKit/public/web/WebView.h"
 #include "url/url_canon.h"
 #include "url/url_util.h"
 
 namespace android_webview {
 
 namespace {
 
 GURL GetAbsoluteUrl(const blink::WebNode& node,
@@ skipping 10 matching lines @@
 GURL GetAbsoluteSrcUrl(const blink::WebElement& element) {
   if (element.isNull())
     return GURL();
   return GetAbsoluteUrl(element, element.getAttribute("src"));
 }
 
 blink::WebNode GetImgChild(const blink::WebNode& node) {
   // This implementation is incomplete (for example if is an area tag) but
   // matches the original WebViewClassic implementation.
 
-  blink::WebNodeList list = node.getElementsByTagName("img");
-  if (list.length() > 0)
-    return list.item(0);
-  return blink::WebNode();
+  blink::WebNodeCollection collection = node.getElementsByTagName("img");
+  DCHECK(!collection.isNull());
+  return collection.firstItem();
 }
 
 bool RemovePrefixAndAssignIfMatches(const base::StringPiece& prefix,
                                     const GURL& url,
                                     std::string* dest) {
   const base::StringPiece spec(url.possibly_invalid_spec());
 
   if (spec.starts_with(prefix)) {
     url_canon::RawCanonOutputW<1024> output;
     url_util::DecodeURLEscapeSequences(spec.data() + prefix.length(),
@@ skipping 248 matching lines @@
   render_view()->GetWebView()->setFixedLayoutSize(size);
 }
 
 void AwRenderViewExt::OnSetBackgroundColor(SkColor c) {
   if (!render_view() || !render_view()->GetWebView())
     return;
   render_view()->GetWebView()->setBaseBackgroundColor(c);
 }
 
 }  // namespace android_webview