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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "config.h"
      6 #include "web/OpenedFrameTracker.h"
      7 
      8 #include "public/web/WebFrame.h"
      9 
     10 namespace blink {
     11 
     12 OpenedFrameTracker::OpenedFrameTracker()
     13 {
     14 }
     15 
     16 OpenedFrameTracker::~OpenedFrameTracker()
     17 {
     18     updateOpener(0);
     19 }
     20 
     21 bool OpenedFrameTracker::isEmpty() const
     22 {
     23     return m_openedFrames.isEmpty();
     24 }
     25 
     26 void OpenedFrameTracker::add(WebFrame* frame)
     27 {
     28     m_openedFrames.add(frame);
     29 }
     30 
     31 void OpenedFrameTracker::remove(WebFrame* frame)
     32 {
     33     m_openedFrames.remove(frame);
     34 }
     35 
     36 void OpenedFrameTracker::updateOpener(WebFrame* frame)
     37 {
     38     HashSet<WebFrame*>::iterator end = m_openedFrames.end();
     39     for (HashSet<WebFrame*>::iterator it = m_openedFrames.begin(); it != end; ++it)
     40         (*it)->m_opener = frame;
     41 }
     42 
     43 } // namespace blink
     44