Move assert.h/assert.cc from runtime/vm to runtime/platform

runtime/bin/builtin_natives.cc

-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// 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 <stdlib.h>
 #include <string.h>
 
-#include "include/dart_api.h"
-
 #include "bin/builtin.h"
 #include "bin/dartutils.h"
+#include "include/dart_api.h"
+#include "platform/assert.h"
 
 
 // List all native functions implemented in standalone dart that is used
 // to inject additional functionality e.g: Logger, file I/O, socket I/O etc.
 #define BUILTIN_NATIVE_LIST(V)                                                 \
   V(Directory_List, 7)                                                         \
   V(Directory_Exists, 1)                                                       \
   V(Directory_Create, 1)                                                       \
   V(Directory_CreateTemp, 2)                                                   \
   V(Directory_Delete, 1)                                                       \
@@ skipping 96 matching lines @@
 
 
 void Builtin::SetNativeResolver() {
   Dart_Handle url = Dart_NewString(DartUtils::kBuiltinLibURL);
   Dart_Handle builtin_lib = Dart_LookupLibrary(url);
   DART_CHECK_VALID(builtin_lib);
   // Setup the native resolver for built in library functions.
   Dart_Handle result = Dart_SetNativeResolver(builtin_lib, NativeLookup);
   DART_CHECK_VALID(result);
 }