Oilpan: turn DOMWindow into a heap supplementable.

Source/modules/speech/DOMWindowSpeechSynthesis.cpp

Index: Source/modules/speech/DOMWindowSpeechSynthesis.cpp
diff --git a/Source/modules/speech/DOMWindowSpeechSynthesis.cpp b/Source/modules/speech/DOMWindowSpeechSynthesis.cpp
index 8f55aa54a767dbb7786545d29fae25d29b0275df..816cd4ac5a984e3bf62dc8af1b93795c08588bbc 100644
--- a/Source/modules/speech/DOMWindowSpeechSynthesis.cpp
+++ b/Source/modules/speech/DOMWindowSpeechSynthesis.cpp
@@ -54,10 +54,10 @@ const char* DOMWindowSpeechSynthesis::supplementName()
 // static
 DOMWindowSpeechSynthesis& DOMWindowSpeechSynthesis::from(DOMWindow& window)
 {
-    DOMWindowSpeechSynthesis* supplement = static_cast<DOMWindowSpeechSynthesis*>(Supplement<DOMWindow>::from(window, supplementName()));
+    DOMWindowSpeechSynthesis* supplement = static_cast<DOMWindowSpeechSynthesis*>(WillBeHeapSupplement<DOMWindow>::from(window, supplementName()));
     if (!supplement) {
         supplement = new DOMWindowSpeechSynthesis(window);
-        provideTo(window, supplementName(), adoptPtr(supplement));
+        provideTo(window, supplementName(), adoptPtrWillBeNoop(supplement));
     }
     return *supplement;
 }
@@ -75,4 +75,9 @@ SpeechSynthesis* DOMWindowSpeechSynthesis::speechSynthesis()
     return m_speechSynthesis.get();
 }
 
+void DOMWindowSpeechSynthesis::trace(Visitor* visitor)
+{
+    visitor->trace(m_speechSynthesis);
+}
+
 } // namespace WebCore