Implement the 'noopener' window feature.

third_party/WebKit/Source/core/page/WindowFeatures.cpp

 /*
  *  Copyright (C) 2000 Harri Porten (porten@kde.org)
  *  Copyright (C) 2006 Jon Shier (jshier@iastate.edu)
  *  Copyright (C) 2003, 2004, 2005, 2006, 2007, 2010 Apple Inc. All rights reseved.
  *  Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
  *  License as published by the Free Software Foundation; either
  *  version 2 of the License, or (at your option) any later version.
@@ skipping 30 matching lines @@
     , xSet(false)
     , y(0)
     , ySet(false)
     , width(0)
     , widthSet(false)
     , height(0)
     , heightSet(false)
     , resizable(true)
     , fullscreen(false)
     , dialog(false)
+    , noopener(false)
 {
     /*
      The IE rule is: all features except for channelmode and fullscreen default to YES, but
      if the user specifies a feature string, all features default to NO. (There is no public
      standard that applies to this method.)
 
      <http://msdn.microsoft.com/workshop/author/dhtml/reference/methods/open_0.asp>
      We always allow a window to be resized, which is consistent with Firefox.
      */
 
@@ skipping 52 matching lines @@
 
         // skip to first separator
         while (i < length && !isWindowFeaturesSeparator(buffer[i]))
             i++;
         valueEnd = i;
 
         ASSERT_WITH_SECURITY_IMPLICATION(i <= length);
 
         String keyString(buffer.substring(keyBegin, keyEnd - keyBegin));
         String valueString(buffer.substring(valueBegin, valueEnd - valueBegin));
+
         setWindowFeature(keyString, valueString);
     }
 }
 
 void WindowFeatures::setWindowFeature(const String& keyString, const String& valueString)
 {
     int value;
 
     // Listing a key with no value is shorthand for key=yes
     if (valueString.isEmpty() || valueString == "yes")
@@ skipping 21 matching lines @@
     } else if (keyString == "toolbar") {
         toolBarVisible = value;
     } else if (keyString == "location") {
         locationBarVisible = value;
     } else if (keyString == "status") {
         statusBarVisible = value;
     } else if (keyString == "fullscreen") {
         fullscreen = value;
     } else if (keyString == "scrollbars") {
         scrollbarsVisible = value;
+    } else if (keyString == "noopener") {
+        noopener = true;
     } else if (value == 1) {
         additionalFeatures.append(keyString);
     }
 }
 
 WindowFeatures::WindowFeatures(const String& dialogFeaturesString, const IntRect& screenAvailableRect)
     : widthSet(true)
     , heightSet(true)
     , menuBarVisible(false)
     , toolBarVisible(false)
     , locationBarVisible(false)
     , fullscreen(false)
     , dialog(true)
+    , noopener(false)
 {
     DialogFeaturesMap features;
     parseDialogFeatures(dialogFeaturesString, features);
 
     const bool trusted = false;
 
     // The following features from Microsoft's documentation are not implemented:
     // - default font settings
     // - width, height, left, and top specified in units other than "px"
     // - edge (sunken or raised, default is raised)
@@ skipping 72 matching lines @@
         if (separatorPosition != kNotFound) {
             value = featureString.substring(separatorPosition + 1).stripWhiteSpace().lower();
             value = value.left(value.find(' '));
         }
 
         map.set(key, value);
     }
 }
 
 } // namespace blink