Change FrameTree to return Frames instead of LocalFrames.

Source/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 3211 matching lines @@
 }
 
 String Document::outgoingReferrer()
 {
     // See http://www.whatwg.org/specs/web-apps/current-work/#fetching-resources
     // for why we walk the parent chain for srcdoc documents.
     Document* referrerDocument = this;
     if (LocalFrame* frame = m_frame) {
         while (frame->document()->isSrcdocDocument()) {
             // Srcdoc documents must be local within the containing frame.
-            frame = frame->tree().parent();
+            frame = toLocalFrame(frame->tree().parent());
             // Srcdoc documents cannot be top-level documents, by definition,
             // because they need to be contained in iframes with the srcdoc.
             ASSERT(frame);
         }
         referrerDocument = frame->document();
     }
     return referrerDocument->m_url.strippedForUseAsReferrer();
 }
 
 String Document::outgoingOrigin() const
@@ skipping 1199 matching lines @@
 }
 
 void Document::setTransformSource(PassOwnPtr<TransformSource> source)
 {
     m_transformSource = source;
 }
 
 void Document::setDesignMode(InheritedBool value)
 {
     m_designMode = value;
-    for (LocalFrame* frame = m_frame; frame && frame->document(); frame = frame->tree().traverseNext(m_frame))
-        frame->document()->setNeedsStyleRecalc(SubtreeStyleChange);
+    for (Frame* frame = m_frame; frame; frame = frame->tree().traverseNext(m_frame)) {
+        if (!frame->isLocalFrame())
+            continue;
+        if (!toLocalFrame(frame)->document())
+            break;
+        toLocalFrame(frame)->document()->setNeedsStyleRecalc(SubtreeStyleChange);
+    }
 }
 
 Document::InheritedBool Document::getDesignMode() const
 {
     return m_designMode;
 }
 
 bool Document::inDesignMode() const
 {
     for (const Document* d = this; d; d = d->parentDocument()) {
@@ skipping 17 matching lines @@
         mode = off;
     else
         mode = inherit;
     setDesignMode(mode);
 }
 
 Document* Document::parentDocument() const
 {
     if (!m_frame)
         return 0;
-    LocalFrame* parent = m_frame->tree().parent();
-    if (!parent)
+    Frame* parent = m_frame->tree().parent();
+    if (!parent || !parent->isLocalFrame())
         return 0;
-    return parent->document();
+    return toLocalFrame(parent)->document();
 }
 
 Document& Document::topDocument() const
 {
     // FIXME: Not clear what topDocument() should do in the OOPI case--should it return the topmost
     // available Document, or something else?
     Document* doc = const_cast<Document*>(this);
     Element* element;
     while ((element = doc->ownerElement()))
         doc = &element->document();
@@ skipping 341 matching lines @@
 
     m_cookieURL = initializer.owner()->cookieURL();
     // We alias the SecurityOrigins to match Firefox, see Bug 15313
     // https://bugs.webkit.org/show_bug.cgi?id=15313
     setSecurityOrigin(initializer.owner()->securityOrigin());
 }
 
 void Document::initContentSecurityPolicy(const ContentSecurityPolicyResponseHeaders& headers)
 {
     if (m_frame && m_frame->tree().parent() && m_frame->tree().parent()->isLocalFrame() && (shouldInheritSecurityOriginFromOwner(m_url) || isPluginDocument()))
-        contentSecurityPolicy()->copyStateFrom(m_frame->tree().parent()->document()->contentSecurityPolicy());
+        contentSecurityPolicy()->copyStateFrom(toLocalFrame(m_frame->tree().parent())->document()->contentSecurityPolicy());
     contentSecurityPolicy()->didReceiveHeaders(headers);
 }
 
 bool Document::allowInlineEventHandlers(Node* node, EventListener* listener, const String& contextURL, const WTF::OrdinalNumber& contextLine)
 {
     if (!contentSecurityPolicy()->allowInlineEventHandlers(contextURL, contextLine))
         return false;
 
     // HTML says that inline script needs browsing context to create its execution environment.
     // http://www.whatwg.org/specs/web-apps/current-work/multipage/webappapis.html#event-handler-attributes
@@ skipping 966 matching lines @@
     visitor->trace(m_compositorPendingAnimations);
     visitor->trace(m_contextDocument);
     visitor->registerWeakMembers<Document, &Document::clearWeakMembers>(this);
     DocumentSupplementable::trace(visitor);
     TreeScope::trace(visitor);
     ContainerNode::trace(visitor);
     ExecutionContext::trace(visitor);
 }
 
 } // namespace WebCore