Revert of Establish MojoChildConnection from BrowserChildProcessHostImpl

content/public/browser/browser_child_process_host.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_PUBLIC_BROWSER_BROWSER_CHILD_PROCESS_HOST_H_
 #define CONTENT_PUBLIC_BROWSER_BROWSER_CHILD_PROCESS_HOST_H_
 
 #include "base/environment.h"
 #include "base/process/kill.h"
 #include "base/process/process_handle.h"
@@ skipping 27 matching lines @@
 // will get terminated at browser shutdown.
 class CONTENT_EXPORT BrowserChildProcessHost : public IPC::Sender {
  public:
   // Used to create a child process host. The delegate must outlive this object.
   // |process_type| needs to be either an enum value from ProcessType or an
   // embedder-defined value.
   static BrowserChildProcessHost* Create(
       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
   // is the same unique ID as |ChildProcessData::id|.
   static BrowserChildProcessHost* FromID(int child_process_id);
 
   ~BrowserChildProcessHost() override {}
 
   // Derived classes call this to launch the child process asynchronously.
   // Takes ownership of |cmd_line| and |delegate|.
@@ skipping 20 matching lines @@
   // Sets the user-visible name of the process.
   virtual void SetName(const base::string16& name) = 0;
 
   // Set the handle of the process. BrowserChildProcessHost will do this when
   // the Launch method is used to start the process. However if the owner
   // of this object doesn't call Launch and starts the process in another way,
   // they need to call this method so that the process handle is associated with
   // 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();
 #endif
 };
 
 };  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_BROWSER_CHILD_PROCESS_HOST_H_