Oilpan: Replace most of RefPtrs for Event objects with oilpan's transition types

Source/web/tests/WebFrameTest.cpp

Index: Source/web/tests/WebFrameTest.cpp
diff --git a/Source/web/tests/WebFrameTest.cpp b/Source/web/tests/WebFrameTest.cpp
index 35555bf8e1e887459dde20c9057fe7d9667eae71..f06e151b1e7f47bed29195bd035eeabd5c33b401 100644
--- a/Source/web/tests/WebFrameTest.cpp
+++ b/Source/web/tests/WebFrameTest.cpp
@@ -4739,7 +4739,7 @@ TEST_F(WebFrameTest, SimulateFragmentAnchorMiddleClick)
     WebCore::KURL destination = document->url();
     destination.setFragmentIdentifier("test");
 
-    RefPtr<WebCore::Event> event = WebCore::MouseEvent::create(WebCore::EventTypeNames::click, false, false,
+    RefPtrWillBeRawPtr<WebCore::Event> event = WebCore::MouseEvent::create(WebCore::EventTypeNames::click, false, false,
         document->domWindow(), 0, 0, 0, 0, 0, 0, 0, false, false, false, false, 1, nullptr, nullptr);
     WebCore::FrameLoadRequest frameRequest(document, WebCore::ResourceRequest(destination));
     frameRequest.setTriggeringEvent(event);
@@ -4789,7 +4789,7 @@ TEST_F(WebFrameTest, ModifiedClickNewWindow)
     WebCore::KURL destination = toKURL(m_baseURL + "hello_world.html");
 
     // ctrl+click event
-    RefPtr<WebCore::Event> event = WebCore::MouseEvent::create(WebCore::EventTypeNames::click, false, false,
+    RefPtrWillBeRawPtr<WebCore::Event> event = WebCore::MouseEvent::create(WebCore::EventTypeNames::click, false, false,
         document->domWindow(), 0, 0, 0, 0, 0, 0, 0, true, false, false, false, 0, nullptr, nullptr);
     WebCore::FrameLoadRequest frameRequest(document, WebCore::ResourceRequest(destination));
     frameRequest.setTriggeringEvent(event);