Remove ContextLifecycleObserver from ScriptPromisePropertyBase

third_party/WebKit/Source/bindings/core/v8/ScriptPromiseProperty.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 ScriptPromiseProperty_h
 #define ScriptPromiseProperty_h
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromisePropertyBase.h"
 #include "bindings/core/v8/ToV8.h"
@@ skipping 84 matching lines @@
     : ScriptPromisePropertyBase(executionContext, name), m_holder(holder) {}
 
 template <typename HolderType, typename ResolvedType, typename RejectedType>
 template <typename PassResolvedType>
 void ScriptPromiseProperty<HolderType, ResolvedType, RejectedType>::resolve(
     PassResolvedType value) {
   if (getState() != Pending) {
     ASSERT_NOT_REACHED();
     return;
   }
-  if (!getExecutionContext() || getExecutionContext()->isContextDestroyed())
+  if (getExecutionContext()->isContextDestroyed())
     return;
   m_resolved = value;
   resolveOrReject(Resolved);
 }
 
 template <typename HolderType, typename ResolvedType, typename RejectedType>
 template <typename PassRejectedType>
 void ScriptPromiseProperty<HolderType, ResolvedType, RejectedType>::reject(
     PassRejectedType value) {
   if (getState() != Pending) {
     ASSERT_NOT_REACHED();
     return;
   }
-  if (!getExecutionContext() || getExecutionContext()->isContextDestroyed())
+  if (getExecutionContext()->isContextDestroyed())
     return;
   m_rejected = value;
   resolveOrReject(Rejected);
 }
 
 template <typename HolderType, typename ResolvedType, typename RejectedType>
 v8::Local<v8::Object>
 ScriptPromiseProperty<HolderType, ResolvedType, RejectedType>::holder(
     v8::Isolate* isolate,
     v8::Local<v8::Object> creationContext) {
@@ skipping 45 matching lines @@
     VisitorDispatcher visitor) {
   TraceIfNeeded<HolderType>::trace(visitor, m_holder);
   TraceIfNeeded<ResolvedType>::trace(visitor, m_resolved);
   TraceIfNeeded<RejectedType>::trace(visitor, m_rejected);
   ScriptPromisePropertyBase::trace(visitor);
 }
 
 }  // namespace blink
 
 #endif  // ScriptPromiseProperty_h