Reduce ActiveDOMObjects from modules/mediastream/

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

Index: third_party/WebKit/Source/modules/mediastream/RTCSessionDescriptionRequestImpl.cpp
diff --git a/third_party/WebKit/Source/modules/mediastream/RTCSessionDescriptionRequestImpl.cpp b/third_party/WebKit/Source/modules/mediastream/RTCSessionDescriptionRequestImpl.cpp
index 29463de6a741e13ee8fcbc97c5d7ade900f81e5f..c5b5e64c07418011ce687a8d20ba88bd1e4f5d30 100644
--- a/third_party/WebKit/Source/modules/mediastream/RTCSessionDescriptionRequestImpl.cpp
+++ b/third_party/WebKit/Source/modules/mediastream/RTCSessionDescriptionRequestImpl.cpp
@@ -43,13 +43,11 @@ namespace blink {
 
 RTCSessionDescriptionRequestImpl* RTCSessionDescriptionRequestImpl::create(ExecutionContext* context, RTCPeerConnection* requester, RTCSessionDescriptionCallback* successCallback, RTCPeerConnectionErrorCallback* errorCallback)
 {
-    RTCSessionDescriptionRequestImpl* request = new RTCSessionDescriptionRequestImpl(context, requester, successCallback, errorCallback);
-    request->suspendIfNeeded();
-    return request;
+    return new RTCSessionDescriptionRequestImpl(context, requester, successCallback, errorCallback);
 }
 
 RTCSessionDescriptionRequestImpl::RTCSessionDescriptionRequestImpl(ExecutionContext* context, RTCPeerConnection* requester, RTCSessionDescriptionCallback* successCallback, RTCPeerConnectionErrorCallback* errorCallback)
-    : ActiveDOMObject(context)
+    : ContextLifecycleObserver(context)
     , m_successCallback(successCallback)
     , m_errorCallback(errorCallback)
     , m_requester(requester)
@@ -78,7 +76,7 @@ void RTCSessionDescriptionRequestImpl::requestFailed(const String& error)
     clear();
 }
 
-void RTCSessionDescriptionRequestImpl::stop()
+void RTCSessionDescriptionRequestImpl::contextDestroyed()
 {
     clear();
 }
@@ -96,7 +94,7 @@ DEFINE_TRACE(RTCSessionDescriptionRequestImpl)
     visitor->trace(m_errorCallback);
     visitor->trace(m_requester);
     RTCSessionDescriptionRequest::trace(visitor);
-    ActiveDOMObject::trace(visitor);
+    ContextLifecycleObserver::trace(visitor);
 }
 
 } // namespace blink