Add the UtilityProcessMojoClient class and convert SafeJsonParser

content/shell/renderer/shell_content_renderer_client.cc

Index: content/shell/renderer/shell_content_renderer_client.cc
diff --git a/content/shell/renderer/shell_content_renderer_client.cc b/content/shell/renderer/shell_content_renderer_client.cc
index 98195872bec61e48068a23aabfcaf8b5dd5e0c01..3df81c478e97df79eefce246eb868e67e3f6de10 100644
--- a/content/shell/renderer/shell_content_renderer_client.cc
+++ b/content/shell/renderer/shell_content_renderer_client.cc
@@ -6,6 +6,7 @@
 
 #include "base/bind.h"
 #include "base/command_line.h"
+#include "base/logging.h"
 #include "base/macros.h"
 #include "components/web_cache/renderer/web_cache_impl.h"
 #include "content/public/common/service_registry.h"
@@ -56,6 +57,14 @@ class TestMojoServiceImpl : public mojom::TestMojoService {
     OnConnectionError();
   }
 
+  void DoTerminateProcess(const DoTerminateProcessCallback& callback) override {
+    NOTREACHED();
+  }
+
+  void CreateFolder(const CreateFolderCallback& callback) override {
+    NOTREACHED();
+  }
+
   void GetRequestorName(const GetRequestorNameCallback& callback) override {
     callback.Run("Not implemented.");
   }