Move unique name generation and tracking into //content.

third_party/WebKit/Source/web/WebFrame.cpp

 // Copyright 2014 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.
 
 #include "public/web/WebFrame.h"
 
 #include "bindings/core/v8/WindowProxyManager.h"
 #include "core/HTMLNames.h"
 #include "core/frame/FrameHost.h"
 #include "core/frame/FrameView.h"
@@ skipping 51 matching lines @@
   }
 
   if (m_opener) {
     frame->setOpener(m_opener);
     setOpener(nullptr);
   }
   m_openedFrameTracker->transferTo(frame);
 
   FrameHost* host = oldFrame->host();
   AtomicString name = oldFrame->tree().name();
-  AtomicString uniqueName = oldFrame->tree().uniqueName();
   FrameOwner* owner = oldFrame->owner();
 
   v8::HandleScope handleScope(v8::Isolate::GetCurrent());
   HashMap<DOMWrapperWorld*, v8::Local<v8::Object>> globals;
   oldFrame->getWindowProxyManager()->clearForNavigation();
   oldFrame->getWindowProxyManager()->releaseGlobals(globals);
 
   // Although the Document in this frame is now unloaded, many resources
   // associated with the frame itself have not yet been freed yet.
   oldFrame->detach(FrameDetachType::Swap);
@@ skipping 11 matching lines @@
     LocalFrame& localFrame = *toWebLocalFrameImpl(frame)->frame();
     DCHECK_EQ(owner, localFrame.owner());
     if (owner) {
       owner->setContentFrame(localFrame);
       if (owner->isLocal())
         toHTMLFrameOwnerElement(owner)->setWidget(localFrame.view());
     } else {
       localFrame.page()->setMainFrame(&localFrame);
     }
   } else {
-    toWebRemoteFrameImpl(frame)->initializeCoreFrame(host, owner, name,
-                                                     uniqueName);
+    toWebRemoteFrameImpl(frame)->initializeCoreFrame(host, owner, name);
   }
 
   if (oldFrame->hasReceivedUserGesture())
     frame->toImplBase()->frame()->setDocumentHasReceivedUserGesture();
 
   frame->toImplBase()->frame()->getWindowProxyManager()->setGlobals(globals);
 
   m_parent = nullptr;
 
   return true;
@@ skipping 192 matching lines @@
   for (WebFrame* child = frame->firstChild(); child;
        child = child->nextSibling())
     traceFrame(visitor, child);
 }
 
 void WebFrame::close() {
   m_openedFrameTracker->dispose();
 }
 
 }  // namespace blink