Added Uint8ClampedList. COmpielr optimziations to follow in next CL.

runtime/vm/raw_object_snapshot.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/bigint_operations.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
 #include "vm/snapshot.h"
 #include "vm/symbols.h"
 #include "vm/visitor.h"
@@ skipping 1953 matching lines @@
   for (intptr_t i = 0; i < len; ++i) {
     result.SetAt(i, reader->Read<ElementT>());
   }
   return result.raw();
 }
 
 
 #define BYTEARRAY_TYPE_LIST(V)                                                 \
   V(Int8, int8, int8_t)                                                        \
   V(Uint8, uint8, uint8_t)                                                     \
+  V(Uint8Clamped, uint8, uint8_t)                                              \
   V(Int16, int16, int16_t)                                                     \
   V(Uint16, uint16, uint16_t)                                                  \
   V(Int32, int32, int32_t)                                                     \
   V(Uint32, uint32, uint32_t)                                                  \
   V(Int64, int64, int64_t)                                                     \
   V(Uint64, uint64, uint64_t)                                                  \
   V(Float32, float32, float)                                                   \
   V(Float64, float64, double)                                                  \
 
 
@@ skipping 227 matching lines @@
   // Write out the class and tags information.
   writer->WriteIndexedObject(kWeakPropertyCid);
   writer->WriteIntptrValue(writer->GetObjectTags(this));
 
   // Write out all the other fields.
   writer->Write<RawObject*>(ptr()->key_);
   writer->Write<RawObject*>(ptr()->value_);
 }
 
 }  // namespace dart