Move ScriptState::GetExecutionContext (Part 3)

third_party/WebKit/Source/bindings/core/v8/V8IntersectionObserverCallback.cpp

 // Copyright 2016 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.
 
 #include "bindings/core/v8/V8IntersectionObserverCallback.h"
 
 #include "bindings/core/v8/ScriptController.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8IntersectionObserver.h"
 #include "bindings/core/v8/V8PrivateProperty.h"
@@ skipping 11 matching lines @@
   V8PrivateProperty::GetIntersectionObserverCallback(script_state->GetIsolate())
       .Set(owner, callback);
   callback_.SetPhantom();
 }
 
 V8IntersectionObserverCallback::~V8IntersectionObserverCallback() {}
 
 void V8IntersectionObserverCallback::HandleEvent(
     const HeapVector<Member<IntersectionObserverEntry>>& entries,
     IntersectionObserver& observer) {
-  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 =
       ToV8(&observer, script_state_->GetContext()->Global(),
            script_state_->GetIsolate());
   if (!observer_handle->IsObject())
     return;
 
   v8::Local<v8::Object> this_object =
       v8::Local<v8::Object>::Cast(observer_handle);
   v8::Local<v8::Value> entries_handle =
       ToV8(entries, script_state_->GetContext()->Global(),
            script_state_->GetIsolate());
   if (entries_handle.IsEmpty()) {
     return;
   }
   v8::Local<v8::Value> argv[] = {entries_handle, observer_handle};
 
   v8::TryCatch exception_catcher(script_state_->GetIsolate());
   exception_catcher.SetVerbose(true);
   V8ScriptRunner::CallFunction(callback_.NewLocal(script_state_->GetIsolate()),
-                               script_state_->GetExecutionContext(),
+                               ExecutionContext::From(script_state_.Get()),
                                this_object, 2, argv,
                                script_state_->GetIsolate());
 }
 
 DEFINE_TRACE(V8IntersectionObserverCallback) {
   IntersectionObserverCallback::Trace(visitor);
 }
 
 }  // namespace blink