Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/modules/device_light/DeviceLightController.cpp

Index: third_party/WebKit/Source/modules/device_light/DeviceLightController.cpp
diff --git a/third_party/WebKit/Source/modules/device_light/DeviceLightController.cpp b/third_party/WebKit/Source/modules/device_light/DeviceLightController.cpp
index 200af36a7757feb50f362f1f7b78286f172bb9e8..1fed15f564fce08ad50c0de5365f827573f8d272 100644
--- a/third_party/WebKit/Source/modules/device_light/DeviceLightController.cpp
+++ b/third_party/WebKit/Source/modules/device_light/DeviceLightController.cpp
@@ -31,10 +31,10 @@ const char* DeviceLightController::supplementName()
 
 DeviceLightController& DeviceLightController::from(Document& document)
 {
-    DeviceLightController* controller = static_cast<DeviceLightController*>(WillBeHeapSupplement<Document>::from(document, supplementName()));
+    DeviceLightController* controller = static_cast<DeviceLightController*>(HeapSupplement<Document>::from(document, supplementName()));
     if (!controller) {
         controller = new DeviceLightController(document);
-        WillBeHeapSupplement<Document>::provideTo(document, supplementName(), adoptPtrWillBeNoop(controller));
+        HeapSupplement<Document>::provideTo(document, supplementName(), adoptPtrWillBeNoop(controller));
     }
     return *controller;
 }
@@ -54,7 +54,7 @@ void DeviceLightController::unregisterWithDispatcher()
     DeviceLightDispatcher::instance().removeController(this);
 }
 
-PassRefPtrWillBeRawPtr<Event> DeviceLightController::lastEvent() const
+RawPtr<Event> DeviceLightController::lastEvent() const
 {
     return DeviceLightEvent::create(EventTypeNames::devicelight,
         DeviceLightDispatcher::instance().latestDeviceLightData());
@@ -74,7 +74,7 @@ const AtomicString& DeviceLightController::eventTypeName() const
 DEFINE_TRACE(DeviceLightController)
 {
     DeviceSingleWindowEventController::trace(visitor);
-    WillBeHeapSupplement<Document>::trace(visitor);
+    HeapSupplement<Document>::trace(visitor);
 }