Revert "Update mojo sdk to rev 1dc8a9a5db73d3718d99917fadf31f5fb2ebad4f"

mojo/environment/default_logger_impl.cc

Index: mojo/environment/default_logger_impl.cc
diff --git a/mojo/environment/default_logger_impl.cc b/mojo/environment/default_logger_impl.cc
index 9a321006cfe0ff97a370ad9cfe9f3e942b4f7952..575feb3989180f0919efb714163836fe5c210040 100644
--- a/mojo/environment/default_logger_impl.cc
+++ b/mojo/environment/default_logger_impl.cc
@@ -33,10 +33,7 @@ MojoLogLevel ChromiumToMojoLogLevel(int chromium_log_level) {
   return static_cast<MojoLogLevel>(chromium_log_level);
 }
 
-void LogMessage(MojoLogLevel log_level,
-                const char* source_file,
-                uint32_t source_line,
-                const char* message) {
+void LogMessage(MojoLogLevel log_level, const char* message) {
   int chromium_log_level = MojoToChromiumLogLevel(log_level);
   int chromium_min_log_level = logging::GetMinLogLevel();
   // "Fatal" errors aren't suppressable.