Reduce ActiveDOMObjects from modules/mediastream/

third_party/WebKit/Source/modules/mediastream/MediaDevicesRequest.cpp

Index: third_party/WebKit/Source/modules/mediastream/MediaDevicesRequest.cpp
diff --git a/third_party/WebKit/Source/modules/mediastream/MediaDevicesRequest.cpp b/third_party/WebKit/Source/modules/mediastream/MediaDevicesRequest.cpp
index 112d49387d54aa8b33939ef4291f7a2a00c87cce..e26d64d2c5fc31a8d709006c3e507cd812bd3bb2 100644
--- a/third_party/WebKit/Source/modules/mediastream/MediaDevicesRequest.cpp
+++ b/third_party/WebKit/Source/modules/mediastream/MediaDevicesRequest.cpp
@@ -36,22 +36,16 @@ namespace blink {
 
 MediaDevicesRequest* MediaDevicesRequest::create(ScriptState* state, UserMediaController* controller)
 {
-    MediaDevicesRequest* request = new MediaDevicesRequest(state, controller);
-    request->suspendIfNeeded();
-    return request;
+    return new MediaDevicesRequest(state, controller);
 }
 
 MediaDevicesRequest::MediaDevicesRequest(ScriptState* state, UserMediaController* controller)
-    : ActiveDOMObject(state->executionContext())
+    : ContextLifecycleObserver(state->executionContext())
     , m_controller(controller)
     , m_resolver(ScriptPromiseResolver::create(state))
 {
 }
 
-MediaDevicesRequest::~MediaDevicesRequest()
-{
-}
-
 Document* MediaDevicesRequest::ownerDocument()
 {
     if (ExecutionContext* context = executionContext()) {
@@ -77,7 +71,7 @@ void MediaDevicesRequest::succeed(const MediaDeviceInfoVector& mediaDevices)
     m_resolver->resolve(mediaDevices);
 }
 
-void MediaDevicesRequest::stop()
+void MediaDevicesRequest::contextDestroyed()
 {
     m_controller.clear();
     m_resolver.clear();
@@ -87,7 +81,7 @@ DEFINE_TRACE(MediaDevicesRequest)
 {
     visitor->trace(m_controller);
     visitor->trace(m_resolver);
-    ActiveDOMObject::trace(visitor);
+    ContextLifecycleObserver::trace(visitor);
 }
 
 } // namespace blink