Make InputType and InputTypeView RefCounted.

Source/core/html/EmailInputType.cpp

Index: Source/core/html/EmailInputType.cpp
diff --git a/Source/core/html/EmailInputType.cpp b/Source/core/html/EmailInputType.cpp
index 76aecd5fdb5dbaf263d138f01b65b14d3ac9d1f6..eea1fc3eb8adb1294058633ea3b58b1f9a6bef40 100644
--- a/Source/core/html/EmailInputType.cpp
+++ b/Source/core/html/EmailInputType.cpp
@@ -105,9 +105,9 @@ static bool isValidEmailAddress(const String& address)
     return !matchOffset && matchLength == addressLength;
 }
 
-PassOwnPtr<InputType> EmailInputType::create(HTMLInputElement* element)
+PassRefPtr<InputType> EmailInputType::create(HTMLInputElement* element)
 {
-    return adoptPtr(new EmailInputType(element));
+    return adoptRef(new EmailInputType(element));
 }
 
 void EmailInputType::countUsage()