Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/animation/DeferredLegacyStyleInterpolation.h

Index: third_party/WebKit/Source/core/animation/DeferredLegacyStyleInterpolation.h
diff --git a/third_party/WebKit/Source/core/animation/DeferredLegacyStyleInterpolation.h b/third_party/WebKit/Source/core/animation/DeferredLegacyStyleInterpolation.h
index e957ef280bdc7cb084d6b078e9c8a272c32cb2ba..2e1659c3a8fbec16b8346c492afa510395cf4275 100644
--- a/third_party/WebKit/Source/core/animation/DeferredLegacyStyleInterpolation.h
+++ b/third_party/WebKit/Source/core/animation/DeferredLegacyStyleInterpolation.h
@@ -26,7 +26,7 @@ class CSSValuePair;
 
 class CORE_EXPORT DeferredLegacyStyleInterpolation : public StyleInterpolation {
 public:
-    static PassRefPtr<DeferredLegacyStyleInterpolation> create(PassRefPtrWillBeRawPtr<CSSValue> start, PassRefPtrWillBeRawPtr<CSSValue> end, CSSPropertyID id)
+    static PassRefPtr<DeferredLegacyStyleInterpolation> create(RawPtr<CSSValue> start, RawPtr<CSSValue> end, CSSPropertyID id)
     {
         return adoptRef(new DeferredLegacyStyleInterpolation(start, end, id));
     }
@@ -47,7 +47,7 @@ public:
     static bool interpolationRequiresStyleResolve(const CSSQuadValue&);
 
 private:
-    DeferredLegacyStyleInterpolation(PassRefPtrWillBeRawPtr<CSSValue> start, PassRefPtrWillBeRawPtr<CSSValue> end, CSSPropertyID id)
+    DeferredLegacyStyleInterpolation(RawPtr<CSSValue> start, RawPtr<CSSValue> end, CSSPropertyID id)
         : StyleInterpolation(InterpolableNumber::create(0), InterpolableNumber::create(1), id)
         , m_startCSSValue(start)
         , m_endCSSValue(end)
@@ -55,8 +55,8 @@ private:
     {
     }
 
-    RefPtrWillBePersistent<CSSValue> m_startCSSValue;
-    RefPtrWillBePersistent<CSSValue> m_endCSSValue;
+    Persistent<CSSValue> m_startCSSValue;
+    Persistent<CSSValue> m_endCSSValue;
     mutable RefPtr<LegacyStyleInterpolation> m_innerInterpolation;
     mutable bool m_outdated;
 };