- Address warnings about 64-bit to 32-bit conversions.

runtime/vm/dart_entry.cc

 // Copyright (c) 2011, 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 "vm/dart_entry.h"
 
 #include "vm/class_finalizer.h"
 #include "vm/code_generator.h"
 #include "vm/compiler.h"
 #include "vm/debugger.h"
@@ skipping 419 matching lines @@
     // at the first location the user is interested in.
     isolate->debugger()->SetSingleStep();
   }
   const Object& result = Object::Handle(isolate,
       DartEntry::InvokeFunction(function, args));
   ASSERT(result.IsNull() || result.IsError());
   return result.raw();
 }
 
 
-RawObject* DartLibraryCalls::NewSendPort(intptr_t port_id) {
+RawObject* DartLibraryCalls::NewSendPort(Dart_Port port_id) {
   Library& isolate_lib = Library::Handle(Library::IsolateLibrary());
   ASSERT(!isolate_lib.IsNull());
   const String& class_name =
       String::Handle(isolate_lib.PrivateName(Symbols::_SendPortImpl()));
   const int kNumArguments = 1;
   const String& function_name =
       String::Handle(isolate_lib.PrivateName(Symbols::_create()));
   const Function& function = Function::Handle(
       Resolver::ResolveStatic(isolate_lib,
                               class_name,
@@ skipping 48 matching lines @@
   // Get send port class from isolate library.
   const Library& isolate_lib = Library::Handle(Library::IsolateLibrary());
   const Class& send_port_cls = Class::Handle(
       isolate_lib.LookupClassAllowPrivate(Symbols::_SendPortImpl()));
   // Check for the same class id.
   ASSERT(!send_port_cls.IsNull());
   return cls.id() == send_port_cls.id();
 }
 
 }  // namespace dart