Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/platform/graphics/filters/FilterOperation.cpp

Index: third_party/WebKit/Source/platform/graphics/filters/FilterOperation.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/filters/FilterOperation.cpp b/third_party/WebKit/Source/platform/graphics/filters/FilterOperation.cpp
index 65ef29fb8c9578dbb46f5b362d04767c1ef36568..4bdd1eb962aab51a1327f0fe5d82d2e841f78526 100644
--- a/third_party/WebKit/Source/platform/graphics/filters/FilterOperation.cpp
+++ b/third_party/WebKit/Source/platform/graphics/filters/FilterOperation.cpp
@@ -29,7 +29,7 @@
 
 namespace blink {
 
-PassRefPtrWillBeRawPtr<FilterOperation> FilterOperation::blend(const FilterOperation* from, const FilterOperation* to, double progress)
+RawPtr<FilterOperation> FilterOperation::blend(const FilterOperation* from, const FilterOperation* to, double progress)
 {
     ASSERT(from || to);
     if (to)
@@ -43,7 +43,7 @@ DEFINE_TRACE(ReferenceFilterOperation)
     FilterOperation::trace(visitor);
 }
 
-PassRefPtrWillBeRawPtr<FilterOperation> BasicColorMatrixFilterOperation::blend(const FilterOperation* from, double progress) const
+RawPtr<FilterOperation> BasicColorMatrixFilterOperation::blend(const FilterOperation* from, double progress) const
 {
     double fromAmount;
     if (from) {
@@ -82,7 +82,7 @@ PassRefPtrWillBeRawPtr<FilterOperation> BasicColorMatrixFilterOperation::blend(c
     return BasicColorMatrixFilterOperation::create(result, m_type);
 }
 
-PassRefPtrWillBeRawPtr<FilterOperation> BasicComponentTransferFilterOperation::blend(const FilterOperation* from, double progress) const
+RawPtr<FilterOperation> BasicComponentTransferFilterOperation::blend(const FilterOperation* from, double progress) const
 {
     double fromAmount;
     if (from) {
@@ -120,7 +120,7 @@ PassRefPtrWillBeRawPtr<FilterOperation> BasicComponentTransferFilterOperation::b
     return BasicComponentTransferFilterOperation::create(result, m_type);
 }
 
-PassRefPtrWillBeRawPtr<FilterOperation> BlurFilterOperation::blend(const FilterOperation* from, double progress) const
+RawPtr<FilterOperation> BlurFilterOperation::blend(const FilterOperation* from, double progress) const
 {
     LengthType lengthType = m_stdDeviation.type();
     if (!from)
@@ -130,7 +130,7 @@ PassRefPtrWillBeRawPtr<FilterOperation> BlurFilterOperation::blend(const FilterO
     return BlurFilterOperation::create(m_stdDeviation.blend(fromOp->m_stdDeviation, progress, ValueRangeNonNegative));
 }
 
-PassRefPtrWillBeRawPtr<FilterOperation> DropShadowFilterOperation::blend(const FilterOperation* from, double progress) const
+RawPtr<FilterOperation> DropShadowFilterOperation::blend(const FilterOperation* from, double progress) const
 {
     if (!from) {
         return DropShadowFilterOperation::create(