Remove Navigation Transitions from Blink.

Source/web/WebLocalFrameImpl.h

 /*
  * Copyright (C) 2009 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 220 matching lines @@
     // WebLocalFrame methods:
     virtual void initializeToReplaceRemoteFrame(WebRemoteFrame*, const WebString& name, WebSandboxFlags) override;
     virtual void setAutofillClient(WebAutofillClient*) override;
     virtual WebAutofillClient* autofillClient() override;
     virtual void setDevToolsAgentClient(WebDevToolsAgentClient*) override;
     virtual WebDevToolsAgent* devToolsAgent() override;
     virtual void sendPings(const WebNode& linkNode, const WebURL& destinationURL) override;
     virtual bool isLoading() const override;
     virtual bool isResourceLoadInProgress() const override;
     virtual void setCommittedFirstRealLoad() override;
-    virtual void addStyleSheetByURL(const WebString& url) override;
-    virtual void navigateToSandboxedMarkup(const WebData& markup) override;
     virtual void sendOrientationChangeEvent() override;
     virtual void willShowInstallBannerPrompt(int requestId, const WebVector<WebString>& platforms, WebAppBannerPromptReply*) override;
     virtual void willShowInstallBannerPrompt(const WebVector<WebString>& platforms, WebAppBannerPromptReply*) override;
     void requestRunTask(WebSuspendableTask*) const override;
 
     void willBeDetached();
     void willDetachParent();
 
     static WebLocalFrameImpl* create(WebTreeScopeType, WebFrameClient*);
     virtual ~WebLocalFrameImpl();
@@ skipping 141 matching lines @@
     GC_PLUGIN_IGNORE("340522")
     Persistent<WebLocalFrameImpl> m_selfKeepAlive;
 #endif
 };
 
 DEFINE_TYPE_CASTS(WebLocalFrameImpl, WebFrame, frame, frame->isWebLocalFrame(), frame.isWebLocalFrame());
 
 } // namespace blink
 
 #endif