Reland of Move ScriptState::GetExecutionContext (Part 5)

third_party/WebKit/Source/modules/push_messaging/PushManager.cpp

 // 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.
 
 #include "modules/push_messaging/PushManager.h"
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "core/dom/DOMException.h"
@@ skipping 44 matching lines @@
       PushSubscriptionOptions::ToWeb(options, exception_state);
   if (exception_state.HadException())
     return ScriptPromise();
 
   ScriptPromiseResolver* resolver = ScriptPromiseResolver::Create(script_state);
   ScriptPromise promise = resolver->Promise();
 
   // The document context is the only reasonable context from which to ask the
   // user for permission to use the Push API. The embedder should persist the
   // permission so that later calls in different contexts can succeed.
-  if (script_state->GetExecutionContext()->IsDocument()) {
-    Document* document = ToDocument(script_state->GetExecutionContext());
+  if (ExecutionContext::From(script_state)->IsDocument()) {
+    Document* document = ToDocument(ExecutionContext::From(script_state));
     if (!document->domWindow() || !document->GetFrame())
       return ScriptPromise::RejectWithDOMException(
           script_state,
           DOMException::Create(kInvalidStateError,
                                "Document is detached from window."));
     PushController::ClientFrom(document->GetFrame())
         .Subscribe(registration_->WebRegistration(), web_options,
                    WTF::MakeUnique<PushSubscriptionCallbacks>(resolver,
                                                               registration_));
   } else {
@@ skipping 12 matching lines @@
   PushProvider()->GetSubscription(
       registration_->WebRegistration(),
       WTF::MakeUnique<PushSubscriptionCallbacks>(resolver, registration_));
   return promise;
 }
 
 ScriptPromise PushManager::permissionState(
     ScriptState* script_state,
     const PushSubscriptionOptionsInit& options,
     ExceptionState& exception_state) {
-  if (script_state->GetExecutionContext()->IsDocument()) {
-    Document* document = ToDocument(script_state->GetExecutionContext());
+  if (ExecutionContext::From(script_state)->IsDocument()) {
+    Document* document = ToDocument(ExecutionContext::From(script_state));
     if (!document->domWindow() || !document->GetFrame())
       return ScriptPromise::RejectWithDOMException(
           script_state,
           DOMException::Create(kInvalidStateError,
                                "Document is detached from window."));
   }
 
   ScriptPromiseResolver* resolver = ScriptPromiseResolver::Create(script_state);
   ScriptPromise promise = resolver->Promise();
 
   PushProvider()->GetPermissionStatus(
       registration_->WebRegistration(),
       PushSubscriptionOptions::ToWeb(options, exception_state),
       WTF::MakeUnique<PushPermissionStatusCallbacks>(resolver));
   return promise;
 }
 
 DEFINE_TRACE(PushManager) {
   visitor->Trace(registration_);
 }
 
 }  // namespace blink