- Make sure that externals are patched for dart2js.

runtime/bin/platform.cc

Index: runtime/bin/platform.cc
diff --git a/runtime/bin/platform.cc b/runtime/bin/platform.cc
index 0ed2bd364fd10eec6d347472f6233379e94a3cc1..ec75ee97cb3d9e0e11216b62d0acb6f92dd539eb 100644
--- a/runtime/bin/platform.cc
+++ b/runtime/bin/platform.cc
@@ -14,7 +14,6 @@ namespace bin {
 
 const char* Platform::executable_name_ = NULL;
 const char* Platform::resolved_executable_name_ = NULL;
-const char* Platform::package_root_ = NULL;
 int Platform::script_index_ = 1;
 char** Platform::argv_ = NULL;
 
@@ -76,15 +75,6 @@ void FUNCTION_NAME(Platform_ExecutableArguments)(Dart_NativeArguments args) {
 }
 
 
-void FUNCTION_NAME(Platform_PackageRoot)(Dart_NativeArguments args) {
-  const char* package_root = Platform::GetPackageRoot();
-  if (package_root == NULL) {
-    package_root = "";
-  }
-  Dart_SetReturnValue(args, Dart_NewStringFromCString(package_root));
-}
-
-
 void FUNCTION_NAME(Platform_Environment)(Dart_NativeArguments args) {
   intptr_t count = 0;
   char** env = Platform::Environment(&count);