Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DAPITest.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/canvas2d/CanvasRenderingContext2D.h"
 
 #include "core/frame/FrameView.h"
 #include "core/frame/Settings.h"
 #include "core/html/HTMLCanvasElement.h"
 #include "core/html/HTMLDocument.h"
@@ skipping 21 matching lines @@
 
     DummyPageHolder& page() const { return *m_dummyPageHolder; }
     HTMLDocument& document() const { return *m_document; }
     HTMLCanvasElement& canvasElement() const { return *m_canvasElement; }
     CanvasRenderingContext2D* context2d() const;
 
     void createContext(OpacityMode);
 
 private:
     OwnPtr<DummyPageHolder> m_dummyPageHolder;
-    RefPtrWillBePersistent<HTMLDocument> m_document;
-    RefPtrWillBePersistent<HTMLCanvasElement> m_canvasElement;
+    Persistent<HTMLDocument> m_document;
+    Persistent<HTMLCanvasElement> m_canvasElement;
 
 };
 
 CanvasRenderingContext2DAPITest::CanvasRenderingContext2DAPITest()
 { }
 
 CanvasRenderingContext2D* CanvasRenderingContext2DAPITest::context2d() const
 {
     // If the following check fails, perhaps you forgot to call createContext
     // in your test?
@@ skipping 264 matching lines @@
     AXObjectCacheImpl* axObjectCache = toAXObjectCacheImpl(document().existingAXObjectCache());
     AXObject* axObject = axObjectCache->getOrCreate(buttonElement);
 
     EXPECT_EQ(25, axObject->elementRect().x().toInt());
     EXPECT_EQ(25, axObject->elementRect().y().toInt());
     EXPECT_EQ(40, axObject->elementRect().width().toInt());
     EXPECT_EQ(40, axObject->elementRect().height().toInt());
 }
 
 } // namespace blink