Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/page/AutoscrollController.cpp

Index: third_party/WebKit/Source/core/page/AutoscrollController.cpp
diff --git a/third_party/WebKit/Source/core/page/AutoscrollController.cpp b/third_party/WebKit/Source/core/page/AutoscrollController.cpp
index 327d021914f1e63eaed7d746a09dac3b251d5503..ce0c2223e72f0ad00c0f0bb2074b190ca53027f4 100644
--- a/third_party/WebKit/Source/core/page/AutoscrollController.cpp
+++ b/third_party/WebKit/Source/core/page/AutoscrollController.cpp
@@ -43,9 +43,9 @@ namespace blink {
 // Delay time in second for start autoscroll if pointer is in border edge of scrollable element.
 static double autoscrollDelay = 0.2;
 
-PassOwnPtrWillBeRawPtr<AutoscrollController> AutoscrollController::create(Page& page)
+RawPtr<AutoscrollController> AutoscrollController::create(Page& page)
 {
-    return adoptPtrWillBeNoop(new AutoscrollController(page));
+    return new AutoscrollController(page);
 }
 
 AutoscrollController::AutoscrollController(Page& page)