Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/modules/imagebitmap/ImageBitmapRenderingContext.cpp

Index: third_party/WebKit/Source/modules/imagebitmap/ImageBitmapRenderingContext.cpp
diff --git a/third_party/WebKit/Source/modules/imagebitmap/ImageBitmapRenderingContext.cpp b/third_party/WebKit/Source/modules/imagebitmap/ImageBitmapRenderingContext.cpp
index 7acc62917eef6850a797e8fa0322968a93264956..29438118d7b2b0dc12a30b07c39d82e756614dfb 100644
--- a/third_party/WebKit/Source/modules/imagebitmap/ImageBitmapRenderingContext.cpp
+++ b/third_party/WebKit/Source/modules/imagebitmap/ImageBitmapRenderingContext.cpp
@@ -22,7 +22,7 @@ ImageBitmapRenderingContext::~ImageBitmapRenderingContext() { }
 
 void ImageBitmapRenderingContext::setCanvasGetContextResult(RenderingContext& result)
 {
-    result.setImageBitmapRenderingContext(PassRefPtrWillBeRawPtr<ImageBitmapRenderingContext>(this));
+    result.setImageBitmapRenderingContext(RawPtr<ImageBitmapRenderingContext>(this));
 }
 
 void ImageBitmapRenderingContext::transferImageBitmap(ImageBitmap* imageBitmap)
@@ -58,11 +58,11 @@ bool ImageBitmapRenderingContext::paint(GraphicsContext& gc, const IntRect& r)
     return true;
 }
 
-PassOwnPtrWillBeRawPtr<CanvasRenderingContext> ImageBitmapRenderingContext::Factory::create(HTMLCanvasElement* canvas, const CanvasContextCreationAttributes& attrs, Document& document)
+RawPtr<CanvasRenderingContext> ImageBitmapRenderingContext::Factory::create(HTMLCanvasElement* canvas, const CanvasContextCreationAttributes& attrs, Document& document)
 {
     if (!RuntimeEnabledFeatures::experimentalCanvasFeaturesEnabled())
         return nullptr;
-    return adoptPtrWillBeNoop(new ImageBitmapRenderingContext(canvas, attrs, document));
+    return new ImageBitmapRenderingContext(canvas, attrs, document);
 }
 
 void ImageBitmapRenderingContext::stop()