Support for typed arrays added to Heap::RightTrimFixedArray().

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 22cdd03fd06f9e7c01ab3b3cb9224297f07d8269..67d64c47794b34068dd78393e380c692500a4b6b 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -4225,7 +4225,7 @@ void* FixedTypedArrayBase::DataPtr() {
 }
 
 
-int FixedTypedArrayBase::DataSize(InstanceType type) {
+int FixedTypedArrayBase::ElementSize(InstanceType type) {
   int element_size;
   switch (type) {
 #define TYPED_ARRAY_CASE(Type, type, TYPE, ctype, size)                       \
@@ -4239,7 +4239,12 @@ int FixedTypedArrayBase::DataSize(InstanceType type) {
       UNREACHABLE();
       return 0;
   }
-  return length() * element_size;
+  return element_size;
+}
+
+
+int FixedTypedArrayBase::DataSize(InstanceType type) {
+  return length() * ElementSize(type);
 }
 
 
@@ -4258,6 +4263,11 @@ int FixedTypedArrayBase::TypedArraySize(InstanceType type) {
 }
 
 
+int FixedTypedArrayBase::TypedArraySize(InstanceType type, int length) {
+  return OBJECT_POINTER_ALIGN(kDataOffset + length * ElementSize(type));
+}
+
+
 uint8_t Uint8ArrayTraits::defaultValue() { return 0; }