Convert Budget to BudgetService.

third_party/WebKit/Source/modules/budget/Budget.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 "modules/budget/Budget.h"
-
-#include "bindings/core/v8/ScriptPromise.h"
-#include "bindings/core/v8/ScriptPromiseResolver.h"
-#include "bindings/core/v8/ScriptState.h"
-#include "core/dom/DOMException.h"
-#include "core/dom/ExceptionCode.h"
-
-namespace blink {
-
-Budget::Budget() {}
-
-ScriptPromise Budget::getCost(ScriptState* scriptState, const AtomicString& actionType)
-{
-    // TODO(harkness): Trigger the cost calculation.
-    return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(NotSupportedError, "Not yet implemented"));
-}
-
-ScriptPromise Budget::getBudget(ScriptState* scriptState)
-{
-    // TODO(harkness): Trigger the budget calculation.
-    return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(NotSupportedError, "Not yet implemented"));
-}
-
-} // namespace blink