Revert accidental dartium code push

content/worker/worker_webkitplatformsupport_impl.cc

 // 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.
 
 #include "content/worker/worker_webkitplatformsupport_impl.h"
 
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/platform_file.h"
@@ skipping 224 matching lines @@
   return WebMimeRegistry::IsSupported;
 }
 
 WebMimeRegistry::SupportsType
 WorkerWebKitPlatformSupportImpl::supportsJavaScriptMIMEType(const WebString&) {
   NOTREACHED();
   return WebMimeRegistry::IsSupported;
 }
 
 WebMimeRegistry::SupportsType
-WorkerWebKitPlatformSupportImpl::supportsDartMIMEType(const WebString&) {
-  NOTREACHED();
-  return WebMimeRegistry::IsSupported;
-}
-
-WebMimeRegistry::SupportsType
 WorkerWebKitPlatformSupportImpl::supportsMediaMIMEType(
     const WebString&, const WebString&, const WebString&) {
   NOTREACHED();
   return WebMimeRegistry::IsSupported;
 }
 
 bool WorkerWebKitPlatformSupportImpl::supportsMediaSourceMIMEType(
     const blink::WebString& mimeType, const blink::WebString& codecs) {
   NOTREACHED();
   return false;
@@ skipping 52 matching lines @@
     return;
   QuotaDispatcher::ThreadSpecificInstance(
       thread_safe_sender_.get(),
       quota_message_filter_.get())->QueryStorageUsageAndQuota(
           storage_partition,
           static_cast<quota::StorageType>(type),
           QuotaDispatcher::CreateWebStorageQuotaCallbacksWrapper(callbacks));
 }
 
 }  // namespace content