Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/animation/FilterStyleInterpolation.cpp

Index: third_party/WebKit/Source/core/animation/FilterStyleInterpolation.cpp
diff --git a/third_party/WebKit/Source/core/animation/FilterStyleInterpolation.cpp b/third_party/WebKit/Source/core/animation/FilterStyleInterpolation.cpp
index 29bee1030c1cc25a0ae48c5b1b81c7ca82b73c79..1634d232420ab56e27ae3994be07cc6b37097f84 100644
--- a/third_party/WebKit/Source/core/animation/FilterStyleInterpolation.cpp
+++ b/third_party/WebKit/Source/core/animation/FilterStyleInterpolation.cpp
@@ -12,9 +12,9 @@ namespace blink {
 
 namespace {
 
-PassRefPtrWillBeRawPtr<CSSValueList> extendFilterList(const CSSValueList& shortFilterList, const CSSValueList& otherFilterList)
+RawPtr<CSSValueList> extendFilterList(const CSSValueList& shortFilterList, const CSSValueList& otherFilterList)
 {
-    RefPtrWillBeRawPtr<CSSValueList> result = CSSValueList::createSpaceSeparated();
+    RawPtr<CSSValueList> result = CSSValueList::createSpaceSeparated();
     CSSValueList::const_iterator shortIter = shortFilterList.begin();
     CSSValueList::const_iterator otherIter = otherFilterList.begin();
     while (shortIter != shortFilterList.end()) {
@@ -24,7 +24,7 @@ PassRefPtrWillBeRawPtr<CSSValueList> extendFilterList(const CSSValueList& shortF
     }
     while (otherIter != otherFilterList.end()) {
         CSSFunctionValue* function = toCSSFunctionValue(otherIter->get());
-        RefPtrWillBeRawPtr<CSSValueList> defaultFunction = CSSFunctionValue::create(function->functionType());
+        RawPtr<CSSValueList> defaultFunction = CSSFunctionValue::create(function->functionType());
         switch (function->functionType()) {
         case CSSValueUrl:
             // Discrete interpolation occurs - see canCreateFrom.
@@ -129,11 +129,11 @@ PassOwnPtr<InterpolableValue> FilterStyleInterpolation::toInterpolableValue(cons
     return result.release();
 }
 
-PassRefPtrWillBeRawPtr<CSSFunctionValue> FilterStyleInterpolation::fromInterpolableValue(const InterpolableValue& value, CSSValueID functionType, InterpolationRange)
+RawPtr<CSSFunctionValue> FilterStyleInterpolation::fromInterpolableValue(const InterpolableValue& value, CSSValueID functionType, InterpolationRange)
 {
     const InterpolableList& list = toInterpolableList(value);
     size_t length = list.length();
-    RefPtrWillBeRawPtr<CSSFunctionValue> result = CSSFunctionValue::create(functionType);
+    RawPtr<CSSFunctionValue> result = CSSFunctionValue::create(functionType);
     for (size_t i = 0; i < length; ++i) {
         switch (functionType) {
         case CSSValueGrayscale: