Make the crypto library an official dart:crypto library.

runtime/bin/gen_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.
 
 // Generate a snapshot file after loading all the scripts specified on the
 // command line.
 
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
@@ skipping 165 matching lines @@
   if (Dart_IsError(result)) {
     return result;
   }
   // We only support canonicalization of "dart:".
   if (DartUtils::IsDartSchemeURL(url_string)) {
     if (tag == kCanonicalizeUrl) {
       return url;
     }
     ASSERT(tag == kImportTag);
     // Handle imports of other built-in libraries present in the SDK.
-    if (DartUtils::IsDartIOLibURL(url_string)) {
+    if (DartUtils::IsDartCryptoLibURL(url_string)) {
+      return Builtin::LoadLibrary(Builtin::kCryptoLibrary);
+    } else if (DartUtils::IsDartIOLibURL(url_string)) {
       return Builtin::LoadLibrary(Builtin::kIOLibrary);
     } else if (DartUtils::IsDartJsonLibURL(url_string)) {
       return Builtin::LoadLibrary(Builtin::kJsonLibrary);
     } else if (DartUtils::IsDartUriLibURL(url_string)) {
       return Builtin::LoadLibrary(Builtin::kUriLibrary);
     } else if (DartUtils::IsDartUtfLibURL(url_string)) {
       return Builtin::LoadLibrary(Builtin::kUtfLibrary);
     }
   }
   return Dart_Error("unexpected tag encountered %d", tag);
@@ skipping 96 matching lines @@
     if (Dart_IsError(result)) {
       fprintf(stderr, "%s", Dart_GetError(result));
       Dart_ExitScope();
       Dart_ShutdownIsolate();
       exit(255);
     }
     // This is a generic dart snapshot which needs builtin library setup.
     Dart_Handle library =
         LoadGenericSnapshotCreationScript(Builtin::kBuiltinLibrary);
     VerifyLoaded(library);
+    library = LoadGenericSnapshotCreationScript(Builtin::kCryptoLibrary);
+    VerifyLoaded(library);
     library = LoadGenericSnapshotCreationScript(Builtin::kIOLibrary);
     VerifyLoaded(library);
     library = LoadGenericSnapshotCreationScript(Builtin::kJsonLibrary);
     VerifyLoaded(library);
     library = LoadGenericSnapshotCreationScript(Builtin::kUriLibrary);
     VerifyLoaded(library);
     library = LoadGenericSnapshotCreationScript(Builtin::kUtfLibrary);
     VerifyLoaded(library);
   }
 
   uint8_t* buffer = NULL;
   intptr_t size = 0;
   // First create the snapshot.
   result = Dart_CreateSnapshot(&buffer, &size);
   if (Dart_IsError(result)) {
     const char* err_msg = Dart_GetError(result);
     fprintf(stderr, "Error while creating snapshot: %s\n", err_msg);
     Dart_ExitScope();
     Dart_ShutdownIsolate();
     exit(255);
   }
   // Now write the snapshot out to specified file and exit.
   WriteSnapshotFile(buffer, size);
   Dart_ExitScope();
 
   // Shutdown the isolate.
   Dart_ShutdownIsolate();
   return 0;
 }