Change FrameTree to return Frames instead of LocalFrames.

Source/core/frame/DOMWindow.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 1094 matching lines @@
 int DOMWindow::innerHeight() const
 {
     if (!m_frame)
         return 0;
 
     FrameView* view = m_frame->view();
     if (!view)
         return 0;
 
     // FIXME: This is potentially too much work. We really only need to know the dimensions of the parent frame's renderer.
-    if (LocalFrame* parent = m_frame->tree().parent())
-        parent->document()->updateLayoutIgnorePendingStylesheets();
+    if (Frame* parent = m_frame->tree().parent()) {
+        if (parent && parent->isLocalFrame())
+            toLocalFrame(parent)->document()->updateLayoutIgnorePendingStylesheets();
+    }
 
     return adjustForAbsoluteZoom(view->visibleContentRect(IncludeScrollbars).height(), m_frame->pageZoomFactor());
 }
 
 int DOMWindow::innerWidth() const
 {
     if (!m_frame)
         return 0;
 
     FrameView* view = m_frame->view();
     if (!view)
         return 0;
 
     // FIXME: This is potentially too much work. We really only need to know the dimensions of the parent frame's renderer.
-    if (LocalFrame* parent = m_frame->tree().parent())
-        parent->document()->updateLayoutIgnorePendingStylesheets();
+    if (Frame* parent = m_frame->tree().parent()) {
+        if (parent && parent->isLocalFrame())
+            toLocalFrame(parent)->document()->updateLayoutIgnorePendingStylesheets();
+    }
 
     return adjustForAbsoluteZoom(view->visibleContentRect(IncludeScrollbars).width(), m_frame->pageZoomFactor());
 }
 
 int DOMWindow::screenX() const
 {
     if (!m_frame)
         return 0;
 
     FrameHost* host = m_frame->host();
@@ skipping 126 matching lines @@
         return 0;
 
     return opener->domWindow();
 }
 
 DOMWindow* DOMWindow::parent() const
 {
     if (!m_frame)
         return 0;
 
-    LocalFrame* parent = m_frame->tree().parent();
+    Frame* parent = m_frame->tree().parent();
     if (parent)
         return parent->domWindow();
 
     return m_frame->domWindow();
 }
 
 DOMWindow* DOMWindow::top() const
 {
     if (!m_frame)
         return 0;
@@ skipping 516 matching lines @@
 
     if (!enteredWindow->allowPopUp()) {
         // Because FrameTree::find() returns true for empty strings, we must check for empty frame names.
         // Otherwise, illegitimate window.open() calls with no name will pass right through the popup blocker.
         if (frameName.isEmpty() || !m_frame->tree().find(frameName))
             return nullptr;
     }
 
     // Get the target frame for the special cases of _top and _parent.
     // In those cases, we schedule a location change right now and return early.
-    LocalFrame* targetFrame = 0;
+    Frame* targetFrame = 0;
     if (frameName == "_top")
         targetFrame = m_frame->tree().top();
     else if (frameName == "_parent") {
-        if (LocalFrame* parent = m_frame->tree().parent())
+        if (Frame* parent = m_frame->tree().parent())
             targetFrame = parent;
         else
             targetFrame = m_frame;
     }
-    if (targetFrame) {
+    // FIXME: Navigating RemoteFrames is not yet supported.
+    if (targetFrame && targetFrame->isLocalFrame()) {
         if (!activeDocument->canNavigate(*targetFrame))
             return nullptr;
 
         KURL completedURL = firstFrame->document()->completeURL(urlString);
 
         if (targetFrame->domWindow()->isInsecureScriptAccess(*callingWindow, completedURL))
             return targetFrame->domWindow();
 
         if (urlString.isEmpty())
             return targetFrame->domWindow();
 
         // For whatever reason, Firefox uses the first window rather than the active window to
         // determine the outgoing referrer. We replicate that behavior here.
-        targetFrame->navigationScheduler().scheduleLocationChange(
+        toLocalFrame(targetFrame)->navigationScheduler().scheduleLocationChange(
             activeDocument,
             completedURL,
             Referrer(firstFrame->document()->outgoingReferrer(), firstFrame->document()->referrerPolicy()),
             false);
         return targetFrame->domWindow();
     }
 
     WindowFeatures windowFeatures(windowFeaturesString);
     LocalFrame* result = createWindow(urlString, frameName, windowFeatures, *callingWindow, *firstFrame, *m_frame);
     return result ? result->domWindow() : 0;
@@ skipping 24 matching lines @@
     UserGestureIndicatorDisabler disabler;
     dialogFrame->host()->chrome().runModal();
 }
 
 DOMWindow* DOMWindow::anonymousIndexedGetter(uint32_t index)
 {
     LocalFrame* frame = this->frame();
     if (!frame)
         return 0;
 
-    LocalFrame* child = frame->tree().scopedChild(index);
+    Frame* child = frame->tree().scopedChild(index);
     if (child)
         return child->domWindow();
 
     return 0;
 }
 
 DOMWindowLifecycleNotifier& DOMWindow::lifecycleNotifier()
 {
     return static_cast<DOMWindowLifecycleNotifier&>(LifecycleContext<DOMWindow>::lifecycleNotifier());
 }
@@ skipping 21 matching lines @@
     visitor->trace(m_sessionStorage);
     visitor->trace(m_localStorage);
     visitor->trace(m_applicationCache);
     visitor->trace(m_performance);
     visitor->trace(m_css);
     WillBeHeapSupplementable<DOMWindow>::trace(visitor);
     EventTargetWithInlineData::trace(visitor);
 }
 
 } // namespace WebCore