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

include/v8.h

Index: include/v8.h
diff --git a/include/v8.h b/include/v8.h
index 8f194988e840e6219176b34bf784cbf69cc51f19..414fe6cb5bea90c48ba5194a90c9da2fbf82ad3b 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -5394,7 +5394,7 @@ class Internals {
   static const int kNullValueRootIndex = 7;
   static const int kTrueValueRootIndex = 8;
   static const int kFalseValueRootIndex = 9;
-  static const int kEmptyStringRootIndex = 145;
+  static const int kEmptyStringRootIndex = 136;
 
   static const int kNodeClassIdOffset = 1 * kApiPointerSize;
   static const int kNodeFlagsOffset = 1 * kApiPointerSize + 3;
@@ -5405,7 +5405,7 @@ class Internals {
   static const int kNodeIsIndependentShift = 4;
   static const int kNodeIsPartiallyDependentShift = 5;
 
-  static const int kJSObjectType = 0xbb;
+  static const int kJSObjectType = 0xb2;
   static const int kFirstNonstringType = 0x80;
   static const int kOddballType = 0x83;
   static const int kForeignType = 0x87;