Migrate WTF::Vector::append() to ::push_back() [part 4 of N]

third_party/WebKit/Source/core/dom/ChildFrameDisconnector.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 "core/dom/ChildFrameDisconnector.h"
 
 #include "core/dom/shadow/ElementShadow.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/html/HTMLFrameOwnerElement.h"
 #include "wtf/Assertions.h"
@@ skipping 20 matching lines @@
   }
 
   disconnectCollectedFrameOwners();
 }
 
 void ChildFrameDisconnector::collectFrameOwners(Node& root) {
   if (!root.connectedSubframeCount())
     return;
 
   if (root.isHTMLElement() && root.isFrameOwnerElement())
-    m_frameOwners.append(&toHTMLFrameOwnerElement(root));
+    m_frameOwners.push_back(&toHTMLFrameOwnerElement(root));
 
   for (Node* child = root.firstChild(); child; child = child->nextSibling())
     collectFrameOwners(*child);
 
   ElementShadow* shadow = root.isElementNode() ? toElement(root).shadow() : 0;
   if (shadow)
     collectFrameOwners(*shadow);
 }
 
 void ChildFrameDisconnector::disconnectCollectedFrameOwners() {
@@ skipping 42 matching lines @@
   // If we overcount it's safe, but not optimal because it means we'll traverse
   // through the document in ChildFrameDisconnector looking for frames that have
   // already been disconnected.
   DCHECK_EQ(node.connectedSubframeCount(), count);
 
   return count;
 }
 #endif
 
 }  // namespace blink