Revert "Implement in-heap backing store for typed arrays."

src/elements-kind.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 22 matching lines @@
 
 namespace v8 {
 namespace internal {
 
 
 int ElementsKindToShiftSize(ElementsKind elements_kind) {
   switch (elements_kind) {
     case EXTERNAL_BYTE_ELEMENTS:
     case EXTERNAL_PIXEL_ELEMENTS:
     case EXTERNAL_UNSIGNED_BYTE_ELEMENTS:
-    case UINT8_ELEMENTS:
-    case INT8_ELEMENTS:
-    case UINT8_CLAMPED_ELEMENTS:
       return 0;
     case EXTERNAL_SHORT_ELEMENTS:
     case EXTERNAL_UNSIGNED_SHORT_ELEMENTS:
-    case UINT16_ELEMENTS:
-    case INT16_ELEMENTS:
       return 1;
     case EXTERNAL_INT_ELEMENTS:
     case EXTERNAL_UNSIGNED_INT_ELEMENTS:
     case EXTERNAL_FLOAT_ELEMENTS:
-    case UINT32_ELEMENTS:
-    case INT32_ELEMENTS:
-    case FLOAT32_ELEMENTS:
       return 2;
     case EXTERNAL_DOUBLE_ELEMENTS:
     case FAST_DOUBLE_ELEMENTS:
     case FAST_HOLEY_DOUBLE_ELEMENTS:
-    case FLOAT64_ELEMENTS:
       return 3;
     case FAST_SMI_ELEMENTS:
     case FAST_ELEMENTS:
     case FAST_HOLEY_SMI_ELEMENTS:
     case FAST_HOLEY_ELEMENTS:
     case DICTIONARY_ELEMENTS:
     case NON_STRICT_ARGUMENTS_ELEMENTS:
       return kPointerSizeLog2;
   }
   UNREACHABLE();
@@ skipping 105 matching lines @@
       return to_kind == FAST_HOLEY_ELEMENTS;
     case FAST_HOLEY_ELEMENTS:
       return false;
     default:
       return false;
   }
 }
 
 
 } }  // namespace v8::internal