Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/paint/PaintTiming.cpp

Index: third_party/WebKit/Source/core/paint/PaintTiming.cpp
diff --git a/third_party/WebKit/Source/core/paint/PaintTiming.cpp b/third_party/WebKit/Source/core/paint/PaintTiming.cpp
index aa205b6548752a69c6027c88ff6efa02461fbc7a..59747775d167ad36ddffc83dc9b694041815bf3d 100644
--- a/third_party/WebKit/Source/core/paint/PaintTiming.cpp
+++ b/third_party/WebKit/Source/core/paint/PaintTiming.cpp
@@ -15,10 +15,10 @@ static const char kSupplementName[] = "PaintTiming";
 
 PaintTiming& PaintTiming::from(Document& document)
 {
-    PaintTiming* timing = static_cast<PaintTiming*>(WillBeHeapSupplement<Document>::from(document, kSupplementName));
+    PaintTiming* timing = static_cast<PaintTiming*>(HeapSupplement<Document>::from(document, kSupplementName));
     if (!timing) {
         timing = new PaintTiming(document);
-        WillBeHeapSupplement<Document>::provideTo(document, kSupplementName, adoptPtrWillBeNoop(timing));
+        HeapSupplement<Document>::provideTo(document, kSupplementName, adoptPtrWillBeNoop(timing));
     }
     return *timing;
 }