Move unique name generation and tracking into //content.

third_party/WebKit/Source/web/WebFrameImplBase.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef WebFrameImplBase_h
 #define WebFrameImplBase_h
 
 #include "platform/heap/Handle.h"
 #include "web/WebExport.h"
 #include "wtf/text/AtomicString.h"
@@ skipping 17 matching lines @@
 // implementation as an instance of the base class, but has no inheritance
 // relationship with it. The cost is a virtual indirection, but this is nicer
 // than the previous manual dispatch emulating real virtual dispatch.
 class WEB_EXPORT WebFrameImplBase
     : public GarbageCollectedFinalized<WebFrameImplBase> {
  public:
   virtual ~WebFrameImplBase();
 
   virtual void initializeCoreFrame(FrameHost*,
                                    FrameOwner*,
-                                   const AtomicString& name,
-                                   const AtomicString& uniqueName) = 0;
+                                   const AtomicString& name) = 0;
   // TODO(dcheng): Rename this to coreFrame()? This probably also shouldn't be
   // const...
   virtual Frame* frame() const = 0;
 
   DECLARE_VIRTUAL_TRACE();
 };
 
 }  // namespace blink
 
 #endif  // WebFrameImplBase_h