Start using Dart_SetField and Dart_GetField in the vm.

runtime/bin/process.cc

Index: runtime/bin/process.cc
===================================================================
--- runtime/bin/process.cc	(revision 5182)
+++ runtime/bin/process.cc	(working copy)
@@ -20,8 +20,8 @@
   // interface. However, only builtin Strings are handled by
   // GetStringValue.
   if (!Dart_IsString(path_handle)) {
-    DartUtils::SetIntegerInstanceField(status_handle, "_errorCode", 0);
-    DartUtils::SetStringInstanceField(
+    DartUtils::SetIntegerField(status_handle, "_errorCode", 0);
+    DartUtils::SetStringField(
         status_handle, "_errorMessage", "Path must be a builtin string");
     Dart_SetReturnValue(args, Dart_NewBoolean(false));
     Dart_ExitScope();
@@ -43,8 +43,8 @@
     // interface. However, only builtin Strings are handled by
     // GetStringValue.
     if (!Dart_IsString(arg)) {
-      DartUtils::SetIntegerInstanceField(status_handle, "_errorCode", 0);
-      DartUtils::SetStringInstanceField(
+      DartUtils::SetIntegerField(status_handle, "_errorCode", 0);
+      DartUtils::SetStringField(
           status_handle, "_errorMessage", "Arguments must be builtin strings");
       delete[] string_args;
       Dart_SetReturnValue(args, Dart_NewBoolean(false));
@@ -60,8 +60,8 @@
     working_directory = DartUtils::GetStringValue(working_directory_handle);
   } else if (!Dart_IsNull(working_directory_handle)) {
     delete[] string_args;
-    DartUtils::SetIntegerInstanceField(status_handle, "_errorCode", 0);
-    DartUtils::SetStringInstanceField(
+    DartUtils::SetIntegerField(status_handle, "_errorCode", 0);
+    DartUtils::SetStringField(
         status_handle, "_errorMessage",
         "WorkingDirectory must be a builtin string");
     Dart_SetReturnValue(args, Dart_NewBoolean(false));
@@ -87,18 +87,18 @@
                                   &exit_event,
       os_error_message, kMaxChildOsErrorMessageLength);
   if (error_code == 0) {
-    DartUtils::SetIntegerInstanceField(in_handle, DartUtils::kIdFieldName, in);
-    DartUtils::SetIntegerInstanceField(
+    DartUtils::SetIntegerField(in_handle, DartUtils::kIdFieldName, in);
+    DartUtils::SetIntegerField(
         out_handle, DartUtils::kIdFieldName, out);
-    DartUtils::SetIntegerInstanceField(
+    DartUtils::SetIntegerField(
         err_handle, DartUtils::kIdFieldName, err);
-    DartUtils::SetIntegerInstanceField(
+    DartUtils::SetIntegerField(
         exit_handle, DartUtils::kIdFieldName, exit_event);
-    DartUtils::SetIntegerInstanceField(process, "_pid", pid);
+    DartUtils::SetIntegerField(process, "_pid", pid);
   } else {
-    DartUtils::SetIntegerInstanceField(
+    DartUtils::SetIntegerField(
         status_handle, "_errorCode", error_code);
-    DartUtils::SetStringInstanceField(
+    DartUtils::SetStringField(
         status_handle, "_errorMessage", os_error_message);
   }
   delete[] string_args;