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

src/objects-debug.cc

Index: src/objects-debug.cc
diff --git a/src/objects-debug.cc b/src/objects-debug.cc
index 414f2bcf1a66e51f3de3319af278ed4fa18cbac6..ed93e1dc9e188ae1beea1f8114cecdf6642f468d 100644
--- a/src/objects-debug.cc
+++ b/src/objects-debug.cc
@@ -132,33 +132,6 @@ void HeapObject::HeapObjectVerify() {
     case EXTERNAL_DOUBLE_ARRAY_TYPE:
       ExternalDoubleArray::cast(this)->ExternalDoubleArrayVerify();
       break;
-    case FIXED_UINT8_ARRAY_TYPE:
-      FixedUint8Array::cast(this)->FixedTypedArrayVerify();
-      break;
-    case FIXED_INT8_ARRAY_TYPE:
-      FixedInt8Array::cast(this)->FixedTypedArrayVerify();
-      break;
-    case FIXED_UINT16_ARRAY_TYPE:
-      FixedUint16Array::cast(this)->FixedTypedArrayVerify();
-      break;
-    case FIXED_INT16_ARRAY_TYPE:
-      FixedInt16Array::cast(this)->FixedTypedArrayVerify();
-      break;
-    case FIXED_UINT32_ARRAY_TYPE:
-      FixedUint32Array::cast(this)->FixedTypedArrayVerify();
-      break;
-    case FIXED_INT32_ARRAY_TYPE:
-      FixedInt32Array::cast(this)->FixedTypedArrayVerify();
-      break;
-    case FIXED_FLOAT32_ARRAY_TYPE:
-      FixedFloat32Array::cast(this)->FixedTypedArrayVerify();
-      break;
-    case FIXED_FLOAT64_ARRAY_TYPE:
-      FixedFloat64Array::cast(this)->FixedTypedArrayVerify();
-      break;
-    case FIXED_UINT8_CLAMPED_ARRAY_TYPE:
-      FixedUint8ClampedArray::cast(this)->FixedTypedArrayVerify();
-      break;
     case CODE_TYPE:
       Code::cast(this)->CodeVerify();
       break;
@@ -334,14 +307,6 @@ void ExternalDoubleArray::ExternalDoubleArrayVerify() {
 }
 
 
-template <class Traits>
-void FixedTypedArray<Traits>::FixedTypedArrayVerify() {
-  CHECK(IsHeapObject() &&
-        HeapObject::cast(this)->map()->instance_type() ==
-            Traits::kInstanceType);
-}
-
-
 bool JSObject::ElementsAreSafeToExamine() {
   return (FLAG_use_gvn && FLAG_use_allocation_folding) ||
       reinterpret_cast<Map*>(elements()) !=
@@ -1122,18 +1087,9 @@ void JSObject::IncrementSpillStatistics(SpillInformation* info) {
     case EXTERNAL_UNSIGNED_INT_ELEMENTS:
     case EXTERNAL_FLOAT_ELEMENTS:
     case EXTERNAL_DOUBLE_ELEMENTS:
-    case EXTERNAL_PIXEL_ELEMENTS:
-    case UINT8_ELEMENTS:
-    case INT8_ELEMENTS:
-    case UINT16_ELEMENTS:
-    case INT16_ELEMENTS:
-    case UINT32_ELEMENTS:
-    case INT32_ELEMENTS:
-    case FLOAT32_ELEMENTS:
-    case FLOAT64_ELEMENTS:
-    case UINT8_CLAMPED_ELEMENTS: {
+    case EXTERNAL_PIXEL_ELEMENTS: {
       info->number_of_objects_with_fast_elements_++;
-      FixedArrayBase* e = FixedArrayBase::cast(elements());
+      ExternalPixelArray* e = ExternalPixelArray::cast(elements());
       info->number_of_fast_used_elements_ += e->length();
       break;
     }