Stop linking in the old Mojo EDK.

device/test/run_all_unittests.cc

Index: device/test/run_all_unittests.cc
diff --git a/device/test/run_all_unittests.cc b/device/test/run_all_unittests.cc
index 76a4996773977128fbada7a8c5c0f0ece03b6740..781ab64b7512ac65ef7b419857722ac5505aa6a3 100644
--- a/device/test/run_all_unittests.cc
+++ b/device/test/run_all_unittests.cc
@@ -4,9 +4,10 @@
 
 #include "base/bind.h"
 #include "base/test/launcher/unit_test_launcher.h"
+#include "base/test/test_io_thread.h"
 #include "base/test/test_suite.h"
 #include "build/build_config.h"
-#include "third_party/mojo/src/mojo/edk/embedder/embedder.h"
+#include "mojo/edk/embedder/embedder.h"
 
 #if defined(OS_ANDROID)
 #include "base/android/jni_android.h"
@@ -22,7 +23,8 @@ int main(int argc, char** argv) {
 
   base::TestSuite test_suite(argc, argv);
 
-  mojo::embedder::Init();
+  base::TestIOThread test_io_thread(base::TestIOThread::kAutoStart);
+  mojo::edk::Init(test_io_thread.task_runner());
   return base::LaunchUnitTests(
       argc,
       argv,