Revert "Update mojo sdk to rev 1dc8a9a5db73d3718d99917fadf31f5fb2ebad4f"

third_party/mojo/src/mojo/edk/test/multiprocess_test_helper.cc

Index: third_party/mojo/src/mojo/edk/test/multiprocess_test_helper.cc
diff --git a/third_party/mojo/src/mojo/edk/test/multiprocess_test_helper.cc b/third_party/mojo/src/mojo/edk/test/multiprocess_test_helper.cc
index c107a02da2abf627778b6c4807fc3600e4d3ffc6..6dd8b72a088d2b4aa939902e159258749a17be8b 100644
--- a/third_party/mojo/src/mojo/edk/test/multiprocess_test_helper.cc
+++ b/third_party/mojo/src/mojo/edk/test/multiprocess_test_helper.cc
@@ -26,13 +26,6 @@ MultiprocessTestHelper::~MultiprocessTestHelper() {
 }
 
 void MultiprocessTestHelper::StartChild(const std::string& test_child_name) {
-  StartChildWithExtraSwitch(test_child_name, std::string(), std::string());
-}
-
-void MultiprocessTestHelper::StartChildWithExtraSwitch(
-    const std::string& test_child_name,
-    const std::string& switch_string,
-    const std::string& switch_value) {
   CHECK(platform_channel_pair_);
   CHECK(!test_child_name.empty());
   CHECK(!test_child_.IsValid());
@@ -45,14 +38,6 @@ void MultiprocessTestHelper::StartChildWithExtraSwitch(
   platform_channel_pair_->PrepareToPassClientHandleToChildProcess(
       &command_line, &handle_passing_info);
 
-  if (!switch_string.empty()) {
-    CHECK(!command_line.HasSwitch(switch_string));
-    if (!switch_value.empty())
-      command_line.AppendSwitchASCII(switch_string, switch_value);
-    else
-      command_line.AppendSwitch(switch_string);
-  }
-
   base::LaunchOptions options;
 #if defined(OS_POSIX)
   options.fds_to_remap = &handle_passing_info;