Oilpan: Remove GC_INFO_{DEFINE,DECLARE} macros

Source/modules/notifications/WebKitNotification.cpp

Index: Source/modules/notifications/WebKitNotification.cpp
diff --git a/Source/modules/notifications/WebKitNotification.cpp b/Source/modules/notifications/WebKitNotification.cpp
index 3617d1c9912b6383ab7e635353404eb222922586..e9a8f1400e369eada995340adc9277a7bf885864 100644
--- a/Source/modules/notifications/WebKitNotification.cpp
+++ b/Source/modules/notifications/WebKitNotification.cpp
@@ -41,8 +41,6 @@
 
 namespace WebCore {
 
-DEFINE_GC_INFO(WebKitNotification);
-
 PassRefPtrWillBeRawPtr<WebKitNotification> WebKitNotification::create(const String& title, const String& body, const String& iconUrl, ExecutionContext* context, ExceptionState& es, PassRefPtrWillBeRawPtr<NotificationCenter> provider)
 {
     RefPtrWillBeRawPtr<WebKitNotification> notification = adoptRefCountedWillBeRefCountedGarbageCollected(new WebKitNotification(title, body, iconUrl, context, es, provider));