binding: Retires ExceptionState::throwIfNeeded().

third_party/WebKit/Source/core/dom/CompositorProxy.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 "core/dom/CompositorProxy.h"
 
 #include "bindings/core/v8/ExceptionMessages.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "core/dom/DOMNodeIds.h"
 #include "core/dom/ExceptionCode.h"
@@ skipping 89 matching lines @@
         sanityCheckProperties &= ~static_cast<uint32_t>(allowedProperties[i].property);
     }
     return !sanityCheckProperties;
 }
 #endif
 
 CompositorProxy* CompositorProxy::create(ExecutionContext* context, Element* element, const Vector<String>& attributeArray, ExceptionState& exceptionState)
 {
     if (!context->isDocument()) {
         exceptionState.throwTypeError(ExceptionMessages::failedToConstruct("CompositorProxy", "Can only be created from the main context."));
-        exceptionState.throwIfNeeded();
         return nullptr;
     }
 
     return new CompositorProxy(*element, attributeArray);
 }
 
 CompositorProxy* CompositorProxy::create(ExecutionContext* context, uint64_t elementId, uint32_t compositorMutableProperties)
 {
     if (context->isCompositorWorkerGlobalScope()) {
         WorkerClients* clients = toWorkerGlobalScope(context)->clients();
@@ skipping 153 matching lines @@
         return;
     m_connected = false;
     if (isMainThread()) {
         decrementCompositorProxiedPropertiesForElement(m_elementId, m_compositorMutableProperties);
     } else {
         Platform::current()->mainThread()->getWebTaskRunner()->postTask(BLINK_FROM_HERE, crossThreadBind(&decrementCompositorProxiedPropertiesForElement, m_elementId, m_compositorMutableProperties));
     }
 }
 
 } // namespace blink