Stop linking in the old Mojo EDK.

content/test/content_test_suite.cc

Index: content/test/content_test_suite.cc
diff --git a/content/test/content_test_suite.cc b/content/test/content_test_suite.cc
index 2cb9731ea48e08a9dce3440f52387cf5f78b34b5..94c92012d70be71a70fba126d7aff02c2cc93069 100644
--- a/content/test/content_test_suite.cc
+++ b/content/test/content_test_suite.cc
@@ -13,6 +13,7 @@
 #include "content/public/common/content_paths.h"
 #include "content/public/test/test_content_client_initializer.h"
 #include "gpu/config/gpu_util.h"
+#include "mojo/edk/embedder/embedder.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #if defined(OS_WIN)
@@ -68,7 +69,8 @@ class TestInitializationListener : public testing::EmptyTestEventListener {
 }  // namespace
 
 ContentTestSuite::ContentTestSuite(int argc, char** argv)
-    : ContentTestSuiteBase(argc, argv) {
+    : ContentTestSuiteBase(argc, argv),
+      test_io_thread_(base::TestIOThread::kAutoStart) {
 }
 
 ContentTestSuite::~ContentTestSuite() {
@@ -92,6 +94,7 @@ void ContentTestSuite::Initialize() {
     ContentTestSuiteBase::RegisterContentSchemes(&client);
   }
   RegisterPathProvider();
+  mojo::edk::Init(test_io_thread_.task_runner());
 #if !defined(OS_IOS)
   media::InitializeMediaLibrary();
   // When running in a child process for Mac sandbox tests, the sandbox exists