Changes to get rid of dependency on openssl in the dart VM.

vm/snapshot_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 "include/dart_debugger_api.h"
 #include "platform/assert.h"
 #include "vm/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_message.h"
@@ skipping 425 matching lines @@
   writer.WriteObject(bigint.raw());
   writer.FinalizeBuffer();
 
   // Create a snapshot object using the buffer.
   const Snapshot* snapshot = Snapshot::SetupFromBuffer(buffer);
 
   // Read object back from the snapshot.
   SnapshotReader reader(snapshot, Isolate::Current());
   Bigint& serialized_bigint = Bigint::Handle();
   serialized_bigint ^= reader.ReadObject();
-  const char *str1 = BigintOperations::ToDecCString(bigint, allocator);
+  const char *str1 = BigintOperations::ToHexCString(bigint, allocator);
   const char *str2 =
-      BigintOperations::ToDecCString(serialized_bigint, allocator);
+      BigintOperations::ToHexCString(serialized_bigint, allocator);
   EXPECT_STREQ(str1, str2);
   free(const_cast<char*>(str1));
   free(const_cast<char*>(str2));
 
   // Read object back from the snapshot into a C structure.
   ApiNativeScope scope;
   Dart_CObject* root = DecodeMessage(buffer + Snapshot::kHeaderSize,
                                      writer.BytesWritten(),
                                      &zone_allocator);
   // Bigint not supported.
@@ skipping 1099 matching lines @@
   EXPECT(Dart_ErrorHasException(result));
   EXPECT_SUBSTRING("Exception: nulltruefalse1234563.14[]100123456789\n",
                    Dart_GetError(result));
 
   Dart_ExitScope();
 }
 
 #endif  // defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_X64).
 
 }  // namespace dart