Fix snapshot generation to ensure that the snapshot does not contain

runtime/vm/raw_object.h

Index: runtime/vm/raw_object.h
===================================================================
--- runtime/vm/raw_object.h	(revision 28360)
+++ runtime/vm/raw_object.h	(working copy)
@@ -401,6 +401,7 @@
   static bool IsTypedDataViewClassId(intptr_t index);
   static bool IsExternalTypedDataClassId(intptr_t index);
   static bool IsImplementationClassId(intptr_t index);
+  static bool IsInternalVMdefinedClassId(intptr_t index);
 
   static intptr_t NumberOfTypedDataClasses();
 
@@ -1707,6 +1708,12 @@
 }
 
 
+inline bool RawObject::IsInternalVMdefinedClassId(intptr_t index) {
+  return ((index < kNumPredefinedCids) &&
+          !RawObject::IsTypedDataViewClassId(index));
+}
+
+
 inline intptr_t RawObject::NumberOfTypedDataClasses() {
   // Make sure this is updated when new TypedData types are added.
   ASSERT(kTypedDataInt8ArrayViewCid == kTypedDataInt8ArrayCid + 12);