Refactor Timer classes in preparation for landing FrameTimers.

third_party/WebKit/Source/modules/encryptedmedia/HTMLMediaElementEncryptedMedia.cpp

 // 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.
 
 #include "modules/encryptedmedia/HTMLMediaElementEncryptedMedia.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
@@ skipping 18 matching lines @@
 class SetMediaKeysHandler : public ScriptPromiseResolver {
     WTF_MAKE_NONCOPYABLE(SetMediaKeysHandler);
 public:
     static ScriptPromise create(ScriptState*, HTMLMediaElement&, MediaKeys*);
     ~SetMediaKeysHandler() override;
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     SetMediaKeysHandler(ScriptState*, HTMLMediaElement&, MediaKeys*);
-    void timerFired(Timer<SetMediaKeysHandler>*);
+    void timerFired(TimerBase*);
 
     void clearExistingMediaKeys();
     void setNewMediaKeys();
 
     void finish();
     void fail(ExceptionCode, const String& errorMessage);
 
     void clearFailed(ExceptionCode, const String& errorMessage);
     void setFailed(ExceptionCode, const String& errorMessage);
 
@@ skipping 71 matching lines @@
     DVLOG(EME_LOG_LEVEL) << __func__;
 
     // 5. Run the following steps in parallel.
     m_timer.startOneShot(0, BLINK_FROM_HERE);
 }
 
 SetMediaKeysHandler::~SetMediaKeysHandler()
 {
 }
 
-void SetMediaKeysHandler::timerFired(Timer<SetMediaKeysHandler>*)
+void SetMediaKeysHandler::timerFired(TimerBase*)
 {
     clearExistingMediaKeys();
 }
 
 void SetMediaKeysHandler::clearExistingMediaKeys()
 {
     DVLOG(EME_LOG_LEVEL) << __func__;
     HTMLMediaElementEncryptedMedia& thisElement = HTMLMediaElementEncryptedMedia::from(*m_element);
 
     // 5.1 If mediaKeys is not null, the CDM instance represented by
@@ skipping 266 matching lines @@
 }
 
 DEFINE_TRACE(HTMLMediaElementEncryptedMedia)
 {
     visitor->trace(m_mediaElement);
     visitor->trace(m_mediaKeys);
     Supplement<HTMLMediaElement>::trace(visitor);
 }
 
 } // namespace blink