Initial UserTag and dart:profiler library

runtime/vm/bootstrap.h

Index: runtime/vm/bootstrap.h
diff --git a/runtime/vm/bootstrap.h b/runtime/vm/bootstrap.h
index 5d3e53ba611cd6b583a6c48163d09b02eb6b20e3..9a3c09b9fff64b0eadbda9f2b68c32d3a239b74a 100644
--- a/runtime/vm/bootstrap.h
+++ b/runtime/vm/bootstrap.h
@@ -30,6 +30,7 @@ class Bootstrap : public AllStatic {
   static const char* math_source_paths_[];
   static const char* mirrors_source_paths_[];
   static const char* typed_data_source_paths_[];
+  static const char* profiler_source_paths_[];
   static const char* utf_source_paths_[];
 
   // Source path mapping for patch URI and 'parts'.
@@ -42,6 +43,7 @@ class Bootstrap : public AllStatic {
   static const char* math_patch_paths_[];
   static const char* mirrors_patch_paths_[];
   static const char* typed_data_patch_paths_[];
+  static const char* profiler_patch_paths_[];
 };
 
 }  // namespace dart