Revert "This implements allocating small typed arrays in heap."

src/hydrogen.h

Index: src/hydrogen.h
diff --git a/src/hydrogen.h b/src/hydrogen.h
index eb88225a6ac5b8612884b949a6f72c09f1048c63..d0bfa02d31e75bc727a31e82c2d66be8dc2a426e 100644
--- a/src/hydrogen.h
+++ b/src/hydrogen.h
@@ -1372,10 +1372,6 @@ class HGraphBuilder {
                                HValue* dst_offset,
                                String::Encoding dst_encoding,
                                HValue* length);
-
-  // Align an object size to object alignment boundary
-  HValue* BuildObjectSizeAlignment(HValue* unaligned_size, int header_size);
-
   // Both operands are non-empty strings.
   HValue* BuildUncheckedStringAdd(HValue* left,
                                   HValue* right,
@@ -2325,15 +2321,6 @@ class HOptimizedGraphBuilder : public HGraphBuilder, public AstVisitor {
                                          SmallMapList* types,
                                          Handle<String> name);
 
-  HValue* BuildAllocateExternalElements(
-      ExternalArrayType array_type,
-      bool is_zero_byte_offset,
-      HValue* buffer, HValue* byte_offset, HValue* length);
-  HValue* BuildAllocateFixedTypedArray(
-      ExternalArrayType array_type, int element_size,
-      ElementsKind fixed_elements_kind,
-      HValue* byte_length, HValue* length);
-
   bool IsCallNewArrayInlineable(CallNew* expr);
   void BuildInlinedCallNewArray(CallNew* expr);