Remove unwanted copyToVector() uses.

third_party/WebKit/Source/core/dom/IntersectionObserverController.cpp

 // Copyright 2016 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/IntersectionObserverController.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/IdleRequestOptions.h"
 
 namespace blink {
 
-typedef HeapVector<Member<IntersectionObserver>> IntersectionObserverVector;

[sof, 2016/05/24 07:16:32]

now unused, forgot to remove this in ps#1.

-
 IntersectionObserverController* IntersectionObserverController::create(Document* document)
 {
     IntersectionObserverController* result = new IntersectionObserverController(document);
     result->suspendIfNeeded();
     return result;
 }
 
 IntersectionObserverController::IntersectionObserverController(Document* document)
     : ActiveDOMObject(document)
     , m_callbackID(0)
@@ skipping 33 matching lines @@
     m_callbackID = 0;
     deliverIntersectionObservations();
 }
 
 void IntersectionObserverController::deliverIntersectionObservations()
 {
     if (getExecutionContext()->activeDOMObjectsAreSuspended()) {
         m_callbackFiredWhileSuspended = true;
         return;
     }
-    IntersectionObserverVector observers;
-    copyToVector(m_pendingIntersectionObservers, observers);
-    m_pendingIntersectionObservers.clear();
+    HeapHashSet<Member<IntersectionObserver>> observers;
+    m_pendingIntersectionObservers.swap(observers);
     for (auto& observer : observers)
         observer->deliver();
 }
 
 void IntersectionObserverController::computeTrackedIntersectionObservations()
 {
     for (auto& observer : m_trackedIntersectionObservers) {
         observer->computeIntersectionObservations();
         if (observer->hasEntries())
             scheduleIntersectionObserverForDelivery(*observer);
@@ skipping 17 matching lines @@
 
 DEFINE_TRACE(IntersectionObserverController)
 {
     visitor->trace(m_trackedIntersectionObservers);
     visitor->trace(m_pendingIntersectionObservers);
     ActiveDOMObject::trace(visitor);
     IdleRequestCallback::trace(visitor);
 }
 
 } // namespace blink