Remove the SHA1 implementation used by web sockets and use the dart:crypto library one instead.

runtime/vm/unit_test.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 <stdio.h>
 
 #include "vm/unit_test.h"
 
 #include "bin/builtin.h"
 #include "bin/dartutils.h"
@@ skipping 65 matching lines @@
     ASSERT(tag == kImportTag);
     // Handle imports of other built-in libraries present in the SDK.
     if (DartUtils::IsDartIOLibURL(url_chars)) {
       return Builtin::LoadLibrary(Builtin::kIOLibrary);
     } else if (DartUtils::IsDartJsonLibURL(url_chars)) {
       return Builtin::LoadLibrary(Builtin::kJsonLibrary);
     } else if (DartUtils::IsDartUriLibURL(url_chars)) {
       return Builtin::LoadLibrary(Builtin::kUriLibrary);
     } else if (DartUtils::IsDartUtfLibURL(url_chars)) {
       return Builtin::LoadLibrary(Builtin::kUtfLibrary);
+    } else if (DartUtils::IsDartCryptoLibURL(url_chars)) {
+      return Builtin::LoadLibrary(Builtin::kCryptoLibrary);
     } else {
       return Dart_Error("Do not know how to load '%s'", url_chars);
     }
   }
   result = DartUtils::LoadSource(NULL,
                                  library,
                                  url,
                                  tag,
                                  url_chars,
                                  import_map);
@@ skipping 119 matching lines @@
 
 bool CompilerTest::TestCompileFunction(const Function& function) {
   Isolate* isolate = Isolate::Current();
   ASSERT(isolate != NULL);
   ASSERT(ClassFinalizer::AllClassesFinalized());
   const Error& error = Error::Handle(Compiler::CompileFunction(function));
   return error.IsNull();
 }
 
 }  // namespace dart