Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/platform/Supplementable.h

Index: third_party/WebKit/Source/platform/Supplementable.h
diff --git a/third_party/WebKit/Source/platform/Supplementable.h b/third_party/WebKit/Source/platform/Supplementable.h
index fc765c6753809f406878761b3be8c443c8826e61..9672cf7b44ab293bf8b60db4f4bf418cf9555019 100644
--- a/third_party/WebKit/Source/platform/Supplementable.h
+++ b/third_party/WebKit/Source/platform/Supplementable.h
@@ -121,7 +121,7 @@ public:
     virtual ~SupplementTracing() { }
     // FIXME: Oilpan: this trace() method is only provided to minimize
     // the use of ENABLE(OILPAN) for Supplements deriving from the
-    // transition type WillBeHeapSupplement<>.
+    // transition type HeapSupplement<>.
     //
     // When that transition type is removed (or its use is substantially
     // reduced), remove this dummy trace method also.