Revert of Establish MojoChildConnection from BrowserChildProcessHostImpl

content/public/browser/browser_child_process_host.h

Index: content/public/browser/browser_child_process_host.h
diff --git a/content/public/browser/browser_child_process_host.h b/content/public/browser/browser_child_process_host.h
index 1ef3e48752e421ad3922b630cd37b1386e614ca4..60334a9afa2c4499f1e5c3342c875c032d42dc6a 100644
--- a/content/public/browser/browser_child_process_host.h
+++ b/content/public/browser/browser_child_process_host.h
@@ -45,13 +45,13 @@
       content::ProcessType process_type,
       BrowserChildProcessHostDelegate* delegate);
 
-  // Used to create a child process host, connecting the process to the shell
-  // as a new service instance identified by |service_name| and (optional)
-  // |instance_id|.
+  // Used to create a child process host, with a unique token to identify the
+  // child process to Mojo. |mojo_child_token| should be a unique string
+  // generated using mojo::edk::GenerateRandomToken().
   static BrowserChildProcessHost* Create(
       content::ProcessType process_type,
       BrowserChildProcessHostDelegate* delegate,
-      const std::string& service_name);
+      const std::string& mojo_child_token);
 
   // Returns the child process host with unique id |child_process_id|, or
   // nullptr if it doesn't exist. |child_process_id| is NOT the process ID, but
@@ -92,6 +92,10 @@
   // this object.
   virtual void SetHandle(base::ProcessHandle handle) = 0;
 
+  // Returns the shell::InterfaceProvider the browser process can use to bind
+  // interfaces exposed to it from the child.
+  virtual shell::InterfaceProvider* GetRemoteInterfaces() = 0;
+
 #if defined(OS_MACOSX)
   // Returns a PortProvider used to get the task port for child processes.
   static base::PortProvider* GetPortProvider();