Libraries have uris not urls. Scripts have uris not names.

runtime/vm/object.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 "vm/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/cpu.h"
@@ skipping 8526 matching lines @@
     }
   }
   return Library::null();
 }
 
 
 // See also Dart_ScriptGetTokenInfo.
 void Script::PrintJSONImpl(JSONStream* stream, bool ref) const {
   JSONObject jsobj(stream);
   AddTypeProperties(&jsobj, "Script", JSONType(), ref);
-  const String& name = String::Handle(url());
-  ASSERT(!name.IsNull());
-  const String& encoded_url = String::Handle(String::EncodeIRI(name));
-  ASSERT(!encoded_url.IsNull());
+  const String& uri = String::Handle(url());
+  ASSERT(!uri.IsNull());
+  const String& encoded_uri = String::Handle(String::EncodeIRI(uri));
+  ASSERT(!encoded_uri.IsNull());
   const Library& lib = Library::Handle(FindLibrary());
+  // TODO(rmacnak): This can fail for eval scripts. Use a ring-id for those.
   intptr_t lib_index = (lib.IsNull()) ? -1 : lib.index();
   jsobj.AddPropertyF("id", "libraries/%" Pd "/scripts/%s",
-      lib_index, encoded_url.ToCString());
-  jsobj.AddPropertyStr("name", name);
+      lib_index, encoded_uri.ToCString());
+  jsobj.AddPropertyStr("uri", uri);
   jsobj.AddProperty("kind", GetKindAsCString());
   if (ref) {
     return;
   }
   jsobj.AddProperty("library", lib);
   const String& source = String::Handle(Source());
   jsobj.AddProperty("lineOffset", line_offset());
   jsobj.AddProperty("columnOffset", col_offset());
   jsobj.AddPropertyStr("source", source);
 
@@ skipping 1324 matching lines @@
 
 void Library::PrintJSONImpl(JSONStream* stream, bool ref) const {
   const char* library_name = String::Handle(name()).ToCString();
   intptr_t id = index();
   ASSERT(id >= 0);
   JSONObject jsobj(stream);
   AddTypeProperties(&jsobj, "Library", JSONType(), ref);
   jsobj.AddPropertyF("id", "libraries/%" Pd "", id);
   jsobj.AddProperty("name", library_name);
   const String& library_url = String::Handle(url());
-  jsobj.AddPropertyStr("url", library_url);
+  jsobj.AddPropertyStr("uri", library_url);
   if (ref) {
     return;
   }
   {
     JSONArray jsarr(&jsobj, "classes");
     ClassDictionaryIterator class_iter(*this);
     Class& klass = Class::Handle();
     while (class_iter.HasNext()) {
       klass = class_iter.GetNextClass();
       if (!klass.IsCanonicalSignatureClass() &&
@@ skipping 10890 matching lines @@
   return tag_label.ToCString();
 }
 
 
 void UserTag::PrintJSONImpl(JSONStream* stream, bool ref) const {
   Instance::PrintJSONImpl(stream, ref);
 }
 
 
 }  // namespace dart