Reland of Move ScriptState::GetExecutionContext (Part 5)

third_party/WebKit/Source/modules/presentation/PresentationRequest.cpp

 // Copyright 2015 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/presentation/PresentationRequest.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
@@ skipping 180 matching lines @@
   WebPresentationClient* client = PresentationClient(GetExecutionContext());
   if (!client)
     return ScriptPromise::RejectWithDOMException(
         script_state,
         DOMException::Create(
             kInvalidStateError,
             "The PresentationRequest is no longer associated to a frame."));
 
   if (!availability_property_) {
     availability_property_ = new PresentationAvailabilityProperty(
-        script_state->GetExecutionContext(), this,
+        ExecutionContext::From(script_state), this,
         PresentationAvailabilityProperty::kReady);
 
     client->GetAvailability(urls_,
                             WTF::MakeUnique<PresentationAvailabilityCallbacks>(
                                 availability_property_, urls_));
   }
   return availability_property_->Promise(script_state->World());
 }
 
 const Vector<KURL>& PresentationRequest::Urls() const {
@@ skipping 18 matching lines @@
   if (execution_context->IsSecureContext()) {
     UseCounter::Count(execution_context,
                       UseCounter::kPresentationRequestSecureOrigin);
   } else {
     UseCounter::Count(execution_context,
                       UseCounter::kPresentationRequestInsecureOrigin);
   }
 }
 
 }  // namespace blink