Merge the dart:uri library into dart:core and update the Uri class

runtime/bin/main.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 <stdlib.h>
 #include <string.h>
 #include <stdio.h>
 
 #include "include/dart_api.h"
 #include "include/dart_debugger_api.h"
@@ skipping 436 matching lines @@
 
   // Set up the library tag handler for this isolate.
   Dart_Handle result = Dart_SetLibraryTagHandler(DartUtils::LibraryTagHandler);
   CHECK_RESULT(result);
 
   // Load the specified application script into the newly created isolate.
 
   // Prepare builtin and its dependent libraries for use to resolve URIs.
   // The builtin library is part of the core snapshot and would already be
   // available here in the case of script snapshot loading.
-  Dart_Handle uri_url = DartUtils::NewString(DartUtils::kUriLibURL);
-  Dart_Handle uri_lib = Dart_LookupLibrary(uri_url);
-  CHECK_RESULT(uri_lib);
   Dart_Handle builtin_lib =
       Builtin::LoadAndCheckLibrary(Builtin::kBuiltinLibrary);
   CHECK_RESULT(builtin_lib);
 
   // Prepare for script loading by setting up the 'print' and 'timer'
   // closures and setting up 'package root' for URI resolution.
   result = DartUtils::PrepareForScriptLoading(package_root, builtin_lib);
   CHECK_RESULT(result);
 
   Dart_Handle library = DartUtils::LoadScript(script_uri, builtin_lib);
@@ skipping 378 matching lines @@
 
   return Process::GlobalExitCode();
 }
 
 }  // namespace bin
 }  // namespace dart
 
 int main(int argc, char** argv) {
   return dart::bin::main(argc, argv);
 }