Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/modules/offscreencanvas/OffscreenCanvas.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/offscreencanvas/OffscreenCanvas.h"
 
 #include "core/dom/ExceptionCode.h"
 #if !ENABLE(OILPAN)
 #include "core/frame/ImageBitmap.h" // So ~RefPtr can call unref()
 #endif
@@ skipping 47 matching lines @@
     } else {
         m_context = factory->create(this, attributes);
     }
 
     // TODO: When there're more than one context type implemented in the future,
     // the return type here should be changed to base class of all Offscreen
     // context types.
     return static_cast<OffscreenCanvasRenderingContext2D*>(m_context.get());
 }
 
-PassRefPtrWillBeRawPtr<ImageBitmap> OffscreenCanvas::transferToImageBitmap(ExceptionState& exceptionState)
+RawPtr<ImageBitmap> OffscreenCanvas::transferToImageBitmap(ExceptionState& exceptionState)
 {
     if (!m_context) {
         exceptionState.throwDOMException(InvalidStateError, "Cannot transfer an ImageBitmap from an OffscreenCanvas with no context");
         return nullptr;
     }
-    RefPtrWillBeRawPtr<ImageBitmap> image = m_context->transferToImageBitmap(exceptionState);
+    RawPtr<ImageBitmap> image = m_context->transferToImageBitmap(exceptionState);
     if (!image) {
         // Undocumented exception (not in spec)
         exceptionState.throwDOMException(V8GeneralError, "Out of memory");
     }
     return image.release();
 }
 
 OffscreenCanvasRenderingContext2D* OffscreenCanvas::renderingContext() const
 {
     // TODO: When there're more than one context type implemented in the future,
@@ skipping 21 matching lines @@
     ASSERT(!renderingContextFactories()[type]);
     renderingContextFactories()[type] = renderingContextFactory;
 }
 
 DEFINE_TRACE(OffscreenCanvas)
 {
     visitor->trace(m_context);
 }
 
 } // namespace blink