WIP: Obtain Bootstrap from utility process Service

content/child/child_thread_impl.h

Index: content/child/child_thread_impl.h
diff --git a/content/child/child_thread_impl.h b/content/child/child_thread_impl.h
index a68a63924d3fdfd99d43f1cb64c0498bf9046169..0f817d100fee9a4ca90f7810c8d5001b0193479a 100644
--- a/content/child/child_thread_impl.h
+++ b/content/child/child_thread_impl.h
@@ -20,6 +20,7 @@
 #include "build/build_config.h"
 #include "content/common/content_export.h"
 #include "content/public/child/child_thread.h"
+#include "ipc/ipc.mojom.h"
 #include "ipc/ipc_message.h"  // For IPC_MESSAGE_LOG_ENABLED.
 #include "ipc/ipc_platform_file.h"
 #include "ipc/message_router.h"
@@ -199,6 +200,7 @@ class CONTENT_EXPORT ChildThreadImpl
 
  protected:
   friend class ChildProcess;
+  class ChildThreadConnectionFilter;
 
   // Called when the process refcount is 0.
   void OnProcessFinalRelease();
@@ -239,6 +241,7 @@ class CONTENT_EXPORT ChildThreadImpl
   // We create the channel first without connecting it so we can add filters
   // prior to any messages being received, then connect it afterwards.
   void ConnectChannel(bool use_mojo_channel, const std::string& ipc_token);
+  void ConnectMojoChannel(IPC::mojom::BootstrapRequest request);
 
   // IPC message handlers.
   void OnShutdown();