Move SetSinkIdResolver timer to frame-specific TaskRunnerTimer.

third_party/WebKit/Source/modules/audio_output_devices/HTMLMediaElementAudioOutputDevice.cpp

Index: third_party/WebKit/Source/modules/audio_output_devices/HTMLMediaElementAudioOutputDevice.cpp
diff --git a/third_party/WebKit/Source/modules/audio_output_devices/HTMLMediaElementAudioOutputDevice.cpp b/third_party/WebKit/Source/modules/audio_output_devices/HTMLMediaElementAudioOutputDevice.cpp
index c86e8a60292ef9c33233def21f15b786c9dfe302..48a08b160b5752af37b1cabaa3129741a0d333c7 100644
--- a/third_party/WebKit/Source/modules/audio_output_devices/HTMLMediaElementAudioOutputDevice.cpp
+++ b/third_party/WebKit/Source/modules/audio_output_devices/HTMLMediaElementAudioOutputDevice.cpp
@@ -8,6 +8,7 @@
 #include "bindings/core/v8/ScriptState.h"
 #include "core/dom/DOMException.h"
 #include "core/dom/ExecutionContext.h"
+#include "core/dom/TaskRunnerHelper.h"
 #include "modules/audio_output_devices/AudioOutputDeviceClient.h"
 #include "modules/audio_output_devices/SetSinkIdCallbacks.h"
 #include "public/platform/WebSecurityOrigin.h"
@@ -36,7 +37,7 @@ class SetSinkIdResolver : public ScriptPromiseResolver {
 
   Member<HTMLMediaElement> m_element;
   String m_sinkId;
-  Timer<SetSinkIdResolver> m_timer;
+  TaskRunnerTimer<SetSinkIdResolver> m_timer;
 };
 
 SetSinkIdResolver* SetSinkIdResolver::create(ScriptState* scriptState,
@@ -55,7 +56,9 @@ SetSinkIdResolver::SetSinkIdResolver(ScriptState* scriptState,
     : ScriptPromiseResolver(scriptState),
       m_element(element),
       m_sinkId(sinkId),
-      m_timer(this, &SetSinkIdResolver::timerFired) {}
+      m_timer(TaskRunnerHelper::get(TaskType::MiscPlatformAPI, scriptState),
+              this,
+              &SetSinkIdResolver::timerFired) {}
 
 void SetSinkIdResolver::startAsync() {
   m_timer.startOneShot(0, BLINK_FROM_HERE);