Add the UtilityProcessMojoClient class and convert SafeJsonParser

content/public/test/test_mojo_app.cc

Index: content/public/test/test_mojo_app.cc
diff --git a/content/public/test/test_mojo_app.cc b/content/public/test/test_mojo_app.cc
index c3e6498333a8fee84f5b5a4d3e7172de13bfed54..1fd0b66c58737bb1fe042067bc678cf6955fc502 100644
--- a/content/public/test/test_mojo_app.cc
+++ b/content/public/test/test_mojo_app.cc
@@ -39,6 +39,15 @@ void TestMojoApp::DoSomething(const DoSomethingCallback& callback) {
   base::MessageLoop::current()->QuitWhenIdle();
 }
 
+void TestMojoApp::DoTerminateProcess(
+    const DoTerminateProcessCallback& callback) {
+  NOTREACHED();
+}
+
+void TestMojoApp::CreateFolder(const CreateFolderCallback& callback) {
+  NOTREACHED();
+}
+
 void TestMojoApp::GetRequestorName(const GetRequestorNameCallback& callback) {
   callback.Run(requestor_name_);
 }