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

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index d02017b77d854200dd4198a1b4329c71c1e8399a..5faf62b6ca3c40e0a7485792d796b634a6943fbc 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -4880,6 +4880,7 @@ class FixedTypedArrayBase: public FixedArrayBase {
 
   inline int size();
 
+  static inline int TypedArraySize(InstanceType type, int length);
   inline int TypedArraySize(InstanceType type);
 
   // Use with care: returns raw pointer into heap.
@@ -4888,6 +4889,8 @@ class FixedTypedArrayBase: public FixedArrayBase {
   inline int DataSize();
 
  private:
+  static inline int ElementSize(InstanceType type);
+
   inline int DataSize(InstanceType type);
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(FixedTypedArrayBase);