- Use dart:typedata types in the Dart API calls.

runtime/vm/object.h

Index: runtime/vm/object.h
===================================================================
--- runtime/vm/object.h	(revision 19847)
+++ runtime/vm/object.h	(working copy)
@@ -4935,6 +4935,11 @@
     return (ElementSizeInBytes(cid) * Length());
   }
 
+  void* DataAddr(intptr_t byte_offset) const {
+    ASSERT((byte_offset >= 0) && (byte_offset < LengthInBytes()));
+    return reinterpret_cast<void*>(raw_ptr()->data_ + byte_offset);
+  }
+
 #define TYPED_GETTER_SETTER(name, type)                                        \
   type Get##name(intptr_t byte_offset) const {                                 \
     return *reinterpret_cast<type*>(DataAddr(byte_offset));                    \
@@ -4989,11 +4994,6 @@
  private:
   static const intptr_t element_size[];
 
-  void* DataAddr(intptr_t byte_offset) const {
-    ASSERT((byte_offset >= 0) && (byte_offset < LengthInBytes()));
-    return reinterpret_cast<void*>(raw_ptr()->data_ + byte_offset);
-  }
-
   FINAL_HEAP_OBJECT_IMPLEMENTATION(TypedData, Instance);
   friend class Class;
   friend class ExternalTypedData;
@@ -5017,6 +5017,15 @@
     return (ElementSizeInBytes(cid) * Length());
   }
 
+  void* GetPeer() const {
+    return raw_ptr()->peer_;
+  }
+
+  void* DataAddr(intptr_t byte_offset) const {
+    ASSERT((byte_offset >= 0) && (byte_offset < LengthInBytes()));
+    return reinterpret_cast<void*>(raw_ptr()->data_ + byte_offset);
+  }
+
 #define TYPED_GETTER_SETTER(name, type)                                        \
   type Get##name(intptr_t byte_offset) const {                                 \
     return *reinterpret_cast<type*>(DataAddr(byte_offset));                    \
@@ -5079,11 +5088,6 @@
   }
 
  private:
-  void* DataAddr(intptr_t byte_offset) const {
-    ASSERT((byte_offset >= 0) && (byte_offset < LengthInBytes()));
-    return reinterpret_cast<void*>(raw_ptr()->data_ + byte_offset);
-  }
-
   FINAL_HEAP_OBJECT_IMPLEMENTATION(ExternalTypedData, Instance);
   friend class Class;
 };