[part 1] Make classes and structures in modules/ fast-allocated.

Source/modules/encryptedmedia/HTMLMediaElementEncryptedMedia.h

 // Copyright 2014 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 HTMLMediaElementEncryptedMedia_h
 #define HTMLMediaElementEncryptedMedia_h
 
 #include "core/EventTypeNames.h"
 #include "core/dom/DOMTypedArray.h"
 #include "core/events/EventTarget.h"
 #include "modules/ModulesExport.h"
 #include "platform/Supplementable.h"
 #include "platform/heap/Handle.h"
 #include "public/platform/WebEncryptedMediaTypes.h"
 #include "public/platform/WebMediaPlayerEncryptedMediaClient.h"
 
 namespace blink {
 
 class ExceptionState;
 class HTMLMediaElement;
 class MediaKeys;
 class ScriptPromise;
 class ScriptState;
 class WebContentDecryptionModule;
 class WebMediaPlayer;
 
 class MODULES_EXPORT HTMLMediaElementEncryptedMedia final : public NoBaseWillBeGarbageCollectedFinalized<HTMLMediaElementEncryptedMedia>, public WillBeHeapSupplement<HTMLMediaElement>, public WebMediaPlayerEncryptedMediaClient {
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(HTMLMediaElementEncryptedMedia);
+    WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED(HTMLMediaElementEncryptedMedia);
 public:
     // encrypted media extensions (v0.1b)
     static void webkitGenerateKeyRequest(HTMLMediaElement&, const String& keySystem, PassRefPtr<DOMUint8Array> initData, ExceptionState&);
     static void webkitGenerateKeyRequest(HTMLMediaElement&, const String& keySystem, ExceptionState&);
     static void webkitAddKey(HTMLMediaElement&, const String& keySystem, PassRefPtr<DOMUint8Array> key, PassRefPtr<DOMUint8Array> initData, const String& sessionId, ExceptionState&);
     static void webkitAddKey(HTMLMediaElement&, const String& keySystem, PassRefPtr<DOMUint8Array> key, ExceptionState&);
     static void webkitCancelKeyRequest(HTMLMediaElement&, const String& keySystem, const String& sessionId, ExceptionState&);
 
     DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(webkitkeyadded);
     DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(webkitkeyerror);
@@ skipping 47 matching lines @@
     EmeMode m_emeMode;
 
     bool m_isWaitingForKey;
 
     PersistentWillBeMember<MediaKeys> m_mediaKeys;
 };
 
 } // namespace blink
 
 #endif