Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/modules/device_orientation/DeviceOrientationInspectorAgent.h

Index: third_party/WebKit/Source/modules/device_orientation/DeviceOrientationInspectorAgent.h
diff --git a/third_party/WebKit/Source/modules/device_orientation/DeviceOrientationInspectorAgent.h b/third_party/WebKit/Source/modules/device_orientation/DeviceOrientationInspectorAgent.h
index e1cae9172d8f7c65d5438a2eaa42e3e5380a8dc0..590b2abdf197148fafeb933f3554b48182ba4cf5 100644
--- a/third_party/WebKit/Source/modules/device_orientation/DeviceOrientationInspectorAgent.h
+++ b/third_party/WebKit/Source/modules/device_orientation/DeviceOrientationInspectorAgent.h
@@ -20,7 +20,7 @@ typedef String ErrorString;
 class MODULES_EXPORT DeviceOrientationInspectorAgent final : public InspectorBaseAgent<DeviceOrientationInspectorAgent, InspectorFrontend::DeviceOrientation>, public InspectorBackendDispatcher::DeviceOrientationCommandHandler {
     WTF_MAKE_NONCOPYABLE(DeviceOrientationInspectorAgent);
 public:
-    static PassOwnPtrWillBeRawPtr<DeviceOrientationInspectorAgent> create(Page*);
+    static RawPtr<DeviceOrientationInspectorAgent> create(Page*);
 
     ~DeviceOrientationInspectorAgent() override;
     DECLARE_VIRTUAL_TRACE();
@@ -37,7 +37,7 @@ public:
 private:
     explicit DeviceOrientationInspectorAgent(Page&);
     DeviceOrientationController& controller();
-    RawPtrWillBeMember<Page> m_page;
+    Member<Page> m_page;
 };
 
 } // namespace blink