Use ChannelMojo for NaCl PPAPI channels.

components/nacl/browser/nacl_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 COMPONENTS_NACL_BROWSER_NACL_PROCESS_HOST_H_
 #define COMPONENTS_NACL_BROWSER_NACL_PROCESS_HOST_H_
 
 #include "build/build_config.h"
 
 #include <stddef.h>
@@ skipping 102 matching lines @@
   void OnProcessLaunchedByBroker(base::ProcessHandle handle);
   void OnDebugExceptionHandlerLaunchedByBroker(bool success);
 #endif
 
   bool Send(IPC::Message* msg);
 
   content::BrowserChildProcessHost* process() { return process_.get(); }
   content::BrowserPpapiHost* browser_ppapi_host() { return ppapi_host_.get(); }
 
  private:
-  class ScopedChannelHandle;
-
   void LaunchNaClGdb();
 
   // Mark the process as using a particular GDB debug stub port and notify
   // listeners (if the port is not kGdbDebugStubPortUnknown).
   void SetDebugStubPort(int port);
 
 #if defined(OS_POSIX)
   // Create bound TCP socket in the browser process so that the NaCl GDB debug
   // stub can use it to accept incoming connections even when the Chrome sandbox
   // is enabled.
   net::SocketDescriptor GetDebugStubSocketHandle();
 #endif
 
 #if defined(OS_WIN)
   // Called when the debug stub port has been selected.
   void OnDebugStubPortSelected(uint16_t debug_stub_port);
 #endif
 
   bool LaunchSelLdr();
 
   // BrowserChildProcessHostDelegate implementation:
   bool OnMessageReceived(const IPC::Message& msg) override;
   void OnProcessLaunched() override;
 
   void OnResourcesReady();
 
   // Sends the reply message to the renderer who is waiting for the plugin
   // to load. Returns true on success.
   void ReplyToRenderer(
-      ScopedChannelHandle ppapi_channel_handle,
-      ScopedChannelHandle trusted_channel_handle,
-      ScopedChannelHandle manifest_service_channel_handle);
+      mojo::ScopedMessagePipeHandle ppapi_channel_handle,
+      mojo::ScopedMessagePipeHandle trusted_channel_handle,
+      mojo::ScopedMessagePipeHandle manifest_service_channel_handle);
 
   // Sends the reply with error message to the renderer.
   void SendErrorToRenderer(const std::string& error_message);
 
   // Sends the reply message to the renderer. Either result or
   // error message must be empty.
   void SendMessageToRenderer(const NaClLaunchResult& result,
                              const std::string& error_message);
 
   // Sends the message to the NaCl process to load the plugin. Returns true
   // on success.
   bool StartNaClExecution();
 
   void StartNaClFileResolved(
       NaClStartParams params,
       const base::FilePath& file_path,
       base::File nexe_file);
 
-#if defined(OS_LINUX)
-  // Creates a pair of IPC::ChannelHandle. Returns true on success.
-  static bool CreateChannelHandlePair(ScopedChannelHandle* channel_handle1,
-                                      ScopedChannelHandle* channel_handle2);
-#endif
-
   // Starts browser PPAPI proxy. Returns true on success.
-  bool StartPPAPIProxy(ScopedChannelHandle channel_handle);
+  bool StartPPAPIProxy(mojo::ScopedMessagePipeHandle channel_handle);
 
   // Does post-process-launching tasks for starting the NaCl process once
   // we have a connection.
   //
   // Returns false on failure.
   bool StartWithLaunchedProcess();
 
   // Message handlers for validation caching.
   void OnQueryKnownToValidate(const std::string& signature, bool* result);
   void OnSetKnownToValidate(const std::string& signature);
@@ skipping 76 matching lines @@
   std::string mojo_child_token_;
 
   base::WeakPtrFactory<NaClProcessHost> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NaClProcessHost);
 };
 
 }  // namespace nacl
 
 #endif  // COMPONENTS_NACL_BROWSER_NACL_PROCESS_HOST_H_