Move ScriptState::GetExecutionContext (Part 3)

third_party/WebKit/Source/bindings/core/v8/V8MutationCallback.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 33 matching lines @@
   V8PrivateProperty::GetMutationObserverCallback(script_state->GetIsolate())
       .Set(owner, callback);
 }
 
 V8MutationCallback::~V8MutationCallback() {}
 
 void V8MutationCallback::Call(
     const HeapVector<Member<MutationRecord>>& mutations,
     MutationObserver* observer) {
   v8::Isolate* isolate = script_state_->GetIsolate();
-  ExecutionContext* execution_context = script_state_->GetExecutionContext();
+  ExecutionContext* execution_context =
+      ExecutionContext::From(script_state_.Get());
   if (!execution_context || execution_context->IsContextSuspended() ||
       execution_context->IsContextDestroyed())
     return;
   if (!script_state_->ContextIsValid())
     return;
   ScriptState::Scope scope(script_state_.Get());
 
   if (callback_.IsEmpty())
     return;
   v8::Local<v8::Value> observer_handle =
@@ skipping 19 matching lines @@
 DEFINE_TRACE(V8MutationCallback) {
   MutationCallback::Trace(visitor);
 }
 
 DEFINE_TRACE_WRAPPERS(V8MutationCallback) {
   visitor->TraceWrappers(callback_.Cast<v8::Value>());
   MutationCallback::TraceWrappers(visitor);
 }
 
 }  // namespace blink