Refactor frame detach to work for both local and remote frames.

Source/core/loader/FrameLoader.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) Research In Motion Limited 2009. All rights reserved.
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
@@ skipping 140 matching lines @@
     void dispatchDocumentElementAvailable();
 
     // The following sandbox flags will be forced, regardless of changes to
     // the sandbox attribute of any parent frames.
     void forceSandboxFlags(SandboxFlags flags) { m_forcedSandboxFlags |= flags; }
     SandboxFlags effectiveSandboxFlags() const;
 
     LocalFrame* opener();
     void setOpener(LocalFrame*);
 
-    void frameDetached();
+    void detachFromParent();
 
     void loadDone();
     void finishedParsing();
     void checkCompleted();
 
     void commitProvisionalLoad();
 
     FrameLoaderStateMachine* stateMachine() const { return &m_stateMachine; }
 
     LocalFrame* findFrameForNavigation(const AtomicString& name, Document* activeDocument);
@@ skipping 37 matching lines @@
     void scrollToFragmentWithParentBoundary(const KURL&);
 
     bool checkLoadCompleteForThisFrame();
 
     // Calls continueLoadAfterNavigationPolicy
     void loadWithNavigationAction(const NavigationAction&, FrameLoadType, PassRefPtrWillBeRawPtr<FormState>,
         const SubstituteData&, ContentSecurityPolicyCheck shouldCheckMainWorldContentSecurityPolicy, ClientRedirectPolicy = NotClientRedirect, const AtomicString& overrideEncoding = nullAtom);
 
     bool validateTransitionNavigationMode();
     bool dispatchNavigationTransitionData();
-    void detachFromParent();
-    void detachChildren();
     void detachClient();
 
     void setHistoryItemStateForCommit(HistoryCommitType, bool isPushOrReplaceState = false, PassRefPtr<SerializedScriptValue> = nullptr);
 
     void loadInSameDocument(const KURL&, PassRefPtr<SerializedScriptValue> stateObject, FrameLoadType, ClientRedirectPolicy);
 
     void scheduleCheckCompleted();
     void startCheckCompleteTimer();
 
     LocalFrame* m_frame;
@@ skipping 50 matching lines @@
     Timer<FrameLoader> m_didAccessInitialDocumentTimer;
 
     SandboxFlags m_forcedSandboxFlags;
 
     bool m_willDetachClient;
 };
 
 } // namespace blink
 
 #endif // FrameLoader_h