Revert of Introduce WebMediaSession

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

 /*
  * Copyright (C) 2006 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009, 2012 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. 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
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 19 matching lines @@
 
 #include "core/frame/LocalFrame.h"
 #include "core/html/HTMLFormElement.h"
 #include "core/html/forms/ColorChooser.h"
 #include "core/html/forms/DateTimeChooser.h"
 #include "core/loader/DocumentLoader.h"
 #include "platform/FileChooser.h"
 #include "platform/Widget.h"
 #include "public/platform/WebApplicationCacheHost.h"
 #include "public/platform/WebMediaPlayer.h"
-#include "public/platform/modules/mediasession/WebMediaSession.h"
 #include "public/platform/modules/serviceworker/WebServiceWorkerProvider.h"
 #include "public/platform/modules/serviceworker/WebServiceWorkerProviderClient.h"
 
 namespace blink {
 
 void fillWithEmptyClients(Page::PageClients& pageClients)
 {
     DEFINE_STATIC_LOCAL(OwnPtrWillBePersistent<ChromeClient>, dummyChromeClient, (EmptyChromeClient::create()));
     pageClients.chromeClient = dummyChromeClient.get();
 
@@ skipping 77 matching lines @@
 PassRefPtrWillBeRawPtr<Widget> EmptyFrameLoaderClient::createPlugin(HTMLPlugInElement*, const KURL&, const Vector<String>&, const Vector<String>&, const String&, bool, DetachedPluginPolicy)
 {
     return nullptr;
 }
 
 PassOwnPtr<WebMediaPlayer> EmptyFrameLoaderClient::createWebMediaPlayer(HTMLMediaElement&, const WebURL&, WebMediaPlayerClient*)
 {
     return nullptr;
 }
 
-PassOwnPtr<WebMediaSession> EmptyFrameLoaderClient::createWebMediaSession()
-{
-    return nullptr;
-}
-
 void EmptyTextCheckerClient::requestCheckingOfString(PassRefPtrWillBeRawPtr<TextCheckingRequest>)
 {
 }
 
 void EmptyFrameLoaderClient::didRequestAutocomplete(HTMLFormElement*)
 {
 }
 
 v8::Local<v8::Value> EmptyFrameLoaderClient::createTestInterface(const AtomicString& name)
 {
     return v8::Local<v8::Value>();
 }
 
 PassOwnPtr<WebServiceWorkerProvider> EmptyFrameLoaderClient::createServiceWorkerProvider()
 {
     return nullptr;
 }
 
 PassOwnPtr<WebApplicationCacheHost> EmptyFrameLoaderClient::createApplicationCacheHost(WebApplicationCacheHostClient*)
 {
     return nullptr;
 }
 
 } // namespace blink