Use ChannelMojo from the browser to NaCl loader process.

components/nacl/loader/nacl_helper_linux.cc

 // Copyright 2013 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.
 
 // A mini-zygote specifically for Native Client.
 
 #include "components/nacl/loader/nacl_helper_linux.h"
 
 #include <errno.h>
 #include <fcntl.h>
@@ skipping 18 matching lines @@
 #include "base/posix/eintr_wrapper.h"
 #include "base/posix/global_descriptors.h"
 #include "base/posix/unix_domain_socket_linux.h"
 #include "base/process/kill.h"
 #include "base/process/process_handle.h"
 #include "base/rand_util.h"
 #include "build/build_config.h"
 #include "components/nacl/common/nacl_switches.h"
 #include "components/nacl/loader/sandbox_linux/nacl_sandbox_linux.h"
 #include "content/public/common/content_descriptors.h"
+#include "content/public/common/mojo_channel_switches.h"
 #include "content/public/common/send_zygote_child_ping_linux.h"
 #include "content/public/common/zygote_fork_delegate_linux.h"
 #include "ipc/ipc_descriptors.h"
 #include "ipc/ipc_switches.h"
 #include "mojo/edk/embedder/embedder.h"
 #include "sandbox/linux/services/credentials.h"
 #include "sandbox/linux/services/namespace_sandbox.h"
 
 #if defined(OS_NACL_NONSFI)
 #include "components/nacl/loader/nonsfi/nonsfi_listener.h"
@@ skipping 60 matching lines @@
   // because some IPC code, such as sync_socket_posix.cc, requires this.
   // We do this before seccomp-bpf is initialized.
   PCHECK(signal(SIGPIPE, SIG_IGN) != SIG_ERR);
 
   // Finish layer-1 sandbox initialization and initialize the layer-2 sandbox.
   CHECK(!nacl_sandbox->HasOpenDirectory());
   nacl_sandbox->InitializeLayerTwoSandbox(uses_nonsfi_mode);
   nacl_sandbox->SealLayerOneSandbox();
   nacl_sandbox->CheckSandboxingStateWithPolicy();
 
-  base::GlobalDescriptors::GetInstance()->Set(kPrimaryIPCChannel,
+  base::GlobalDescriptors::GetInstance()->Set(kMojoIPCChannel,
                                               browser_fd.release());
 
   // The Mojo EDK must be initialized before using IPC.
   mojo::edk::Init();
 
   base::MessageLoopForIO main_message_loop;
 #if defined(OS_NACL_NONSFI)
   CHECK(uses_nonsfi_mode);
   nacl::nonsfi::NonSfiListener listener;
   listener.Listen();
@@ skipping 15 matching lines @@
                          const std::string& channel_id) {
   DCHECK(child_fds.size() >
          std::max(content::ZygoteForkDelegate::kPIDOracleFDIndex,
                   content::ZygoteForkDelegate::kBrowserFDIndex));
 
   // Ping the PID oracle socket.
   CHECK(content::SendZygoteChildPing(
       child_fds[content::ZygoteForkDelegate::kPIDOracleFDIndex].get()));
 
   base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
-      switches::kProcessChannelID, channel_id);
+      switches::kMojoChannelToken, channel_id);
 
   // Save the browser socket and close the rest.
   base::ScopedFD browser_fd(
       std::move(child_fds[content::ZygoteForkDelegate::kBrowserFDIndex]));
   child_fds.clear();
 
   BecomeNaClLoader(std::move(browser_fd), system_info, uses_nonsfi_mode,
                    nacl_sandbox);
   _exit(1);
 }
@@ skipping 301 matching lines @@
   // Now handle requests from the Zygote.
   while (true) {
     bool request_handled = HandleZygoteRequest(
         kNaClZygoteDescriptor, system_info, nacl_sandbox.get());
     // Do not turn this into a CHECK() without thinking about robustness
     // against malicious IPC requests.
     DCHECK(request_handled);
   }
   NOTREACHED();
 }