OOPIF: Use the same uniqueName when swapping between local and remote.

third_party/WebKit/Source/core/page/FrameTree.h

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 24 matching lines @@
 public:
     explicit FrameTree(Frame* thisFrame);
     ~FrameTree();
 
     const AtomicString& name() const { return m_name; }
     const AtomicString& uniqueName() const { return m_uniqueName; }
     // If |name| is not empty, |fallbackName| is ignored. Otherwise,
     // |fallbackName| is used as a source of uniqueName.
     void setName(const AtomicString& name, const AtomicString& fallbackName = nullAtom);
 
+    // Directly assigns both the name and uniqueName. Should only be used when
+    // switching between LocalFrames and RemoteFrames for the same logical frame
+    // so that the unique name stays unique.
+    void setNameForReplacementFrame(const AtomicString& name, const AtomicString& uniqueName);
+
     Frame* parent() const;
     Frame* top() const;
     Frame* previousSibling() const;
     Frame* nextSibling() const;
     Frame* firstChild() const;
     Frame* lastChild() const;
 
     bool isDescendantOf(const Frame* ancestor) const;
     Frame* traversePreviousWithWrap(bool) const;
     Frame* traverseNext(const Frame* stayWithin = nullptr) const;
@@ skipping 25 matching lines @@
 };
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showFrameTree(const blink::Frame*);
 #endif
 
 #endif // FrameTree_h