Move unique name generation and tracking into //content.

third_party/WebKit/Source/web/LocalFrameClientImpl.h

 /*
  * Copyright (C) 2009, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2011 Apple 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 163 matching lines @@
   bool allowRunningInsecureContent(bool enabledPerSettings,
                                    SecurityOrigin*,
                                    const KURL&) override;
   bool allowAutoplay(bool defaultValue) override;
   void passiveInsecureContentFound(const KURL&) override;
   void didNotAllowScript() override;
   void didNotAllowPlugins() override;
 
   WebCookieJar* cookieJar() const override;
   void frameFocused() const override;
-  void didChangeName(const String& name, const String& uniqueName) override;
+  void didChangeName(const String&) override;
   void didEnforceInsecureRequestPolicy(WebInsecureRequestPolicy) override;
   void didUpdateToUniqueOrigin() override;
   void didChangeSandboxFlags(Frame* childFrame, SandboxFlags) override;
   void didSetFeaturePolicyHeader(
       const WebParsedFeaturePolicy& parsedHeader) override;
   void didAddContentSecurityPolicy(
       const String& headerValue,
       ContentSecurityPolicyHeaderType,
       ContentSecurityPolicyHeaderSource,
       const std::vector<WebContentSecurityPolicyPolicy>&) override;
@@ skipping 45 matching lines @@
 
 DEFINE_TYPE_CASTS(LocalFrameClientImpl,
                   LocalFrameClient,
                   client,
                   client->isLocalFrameClientImpl(),
                   client.isLocalFrameClientImpl());
 
 }  // namespace blink
 
 #endif