Revert accidental dartium code push

content/worker/worker_webkitplatformsupport_impl.h

 // Copyright (c) 2012 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 CONTENT_WORKER_WORKER_WEBKITPLATFORMSUPPORT_IMPL_H_
 #define CONTENT_WORKER_WORKER_WEBKITPLATFORMSUPPORT_IMPL_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "content/child/blink_platform_impl.h"
 #include "third_party/WebKit/public/platform/WebIDBFactory.h"
@@ skipping 65 matching lines @@
   virtual blink::WebIDBFactory* idbFactory();
   virtual blink::WebDatabaseObserver* databaseObserver();
 
   // WebMimeRegistry methods:
   virtual blink::WebMimeRegistry::SupportsType supportsMIMEType(
       const blink::WebString&);
   virtual blink::WebMimeRegistry::SupportsType supportsImageMIMEType(
       const blink::WebString&);
   virtual blink::WebMimeRegistry::SupportsType supportsJavaScriptMIMEType(
       const blink::WebString&);
-  virtual blink::WebMimeRegistry::SupportsType supportsDartMIMEType(
-      const blink::WebString&);
   virtual blink::WebMimeRegistry::SupportsType supportsMediaMIMEType(
       const blink::WebString&,
       const blink::WebString&,
       const blink::WebString&);
   virtual bool supportsMediaSourceMIMEType(
       const blink::WebString&,
       const blink::WebString&);
   virtual bool supportsEncryptedMediaMIMEType(const blink::WebString&,
                                               const blink::WebString&,
                                               const blink::WebString&);
@@ skipping 23 matching lines @@
   scoped_refptr<IPC::SyncMessageFilter> sync_message_filter_;
   scoped_refptr<QuotaMessageFilter> quota_message_filter_;
   scoped_ptr<WebDatabaseObserverImpl> web_database_observer_impl_;
 
   DISALLOW_COPY_AND_ASSIGN(WorkerWebKitPlatformSupportImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_WORKER_WORKER_WEBKITPLATFORMSUPPORT_IMPL_H_