Revert of Move ObjectContentType entirely to HTMLPlugInElement

third_party/WebKit/Source/core/loader/EmptyClients.h

 /*
  * Copyright (C) 2006 Eric Seidel (eric@webkit.org)
  * Copyright (C) 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
@@ skipping 321 matching lines @@
   bool CanCreatePluginWithoutRenderer(const String& mime_type) const override {
     return false;
   }
   std::unique_ptr<WebMediaPlayer> CreateWebMediaPlayer(
       HTMLMediaElement&,
       const WebMediaPlayerSource&,
       WebMediaPlayerClient*) override;
   WebRemotePlaybackClient* CreateWebRemotePlaybackClient(
       HTMLMediaElement&) override;
 
+  ObjectContentType GetObjectContentType(const KURL&,
+                                         const String&,
+                                         bool) override {
+    return ObjectContentType();
+  }
+
   void DidCreateNewDocument() override {}
   void DispatchDidClearWindowObjectInMainWorld() override {}
   void DocumentElementAvailable() override {}
   void RunScriptsAtDocumentElementAvailable() override {}
   void RunScriptsAtDocumentReady(bool) override {}
   void RunScriptsAtDocumentIdle() override {}
 
   void DidCreateScriptContext(v8::Local<v8::Context>, int world_id) override {}
   void WillReleaseScriptContext(v8::Local<v8::Context>, int world_id) override {
   }
@@ skipping 110 matching lines @@
   Frame* NextSibling() const override { return nullptr; }
   Frame* FirstChild() const override { return nullptr; }
   void FrameFocused() const override {}
 };
 
 CORE_EXPORT void FillWithEmptyClients(Page::PageClients&);
 
 }  // namespace blink
 
 #endif  // EmptyClients_h