[oilpan] Completely move HTMLFormControlElement's hierarchy to the managed heap

Source/core/html/WeekInputType.cpp

Index: Source/core/html/WeekInputType.cpp
diff --git a/Source/core/html/WeekInputType.cpp b/Source/core/html/WeekInputType.cpp
index 64ad701f457acc1d72ee78cbd67ebe6215df71e1..528dec0ad4abed670bd52f55a100b1fb3b3d847d 100644
--- a/Source/core/html/WeekInputType.cpp
+++ b/Source/core/html/WeekInputType.cpp
@@ -51,7 +51,7 @@ static const int weekDefaultStepBase = -259200000; // The first day of 1970-W01.
 static const int weekDefaultStep = 1;
 static const int weekStepScaleFactor = 604800000;
 
-PassOwnPtr<InputType> WeekInputType::create(HTMLInputElement* element)
+PassOwnPtr<InputType> WeekInputType::create(Handle<HTMLInputElement> element)
 {
     return adoptPtr(new WeekInputType(element));
 }