Init Mojo embedder for Windows NaCl plugins.

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 25 matching lines @@
 #include "components/nacl/loader/nonsfi/nonsfi_listener.h"
 #include "components/nacl/loader/sandbox_linux/nacl_sandbox_linux.h"
 #include "content/public/common/content_descriptors.h"
 #include "content/public/common/send_zygote_child_ping_linux.h"
 #include "content/public/common/zygote_fork_delegate_linux.h"
 #include "crypto/nss_util.h"
 #include "ipc/ipc_descriptors.h"
 #include "ipc/ipc_switches.h"
 #include "sandbox/linux/services/libc_urandom_override.h"
 
+#if !defined(OS_NACL_NONSFI)
+#include "third_party/mojo/src/mojo/edk/embedder/embedder.h"
+#include "third_party/mojo/src/mojo/edk/embedder/simple_platform_support.h"
+#endif
+
 #if defined(OS_NACL_NONSFI)
 #include "native_client/src/public/nonsfi/irt_exception_handling.h"
 #else
 #include <link.h>
 #include "components/nacl/loader/nonsfi/irt_exception_handling.h"
 #endif
 
 namespace {
 
 struct NaClLoaderSystemInfo {
@@ skipping 394 matching lines @@
     // These are not used by nacl_helper_nonsfi.
     CheckReservedAtZero(),
     sysconf(_SC_NPROCESSORS_ONLN)
 #endif
   };
 
 #if !defined(OS_NACL_NONSFI)
   CheckRDebug(argv[0]);
 #endif
 
+// TODO(teravest): Enable mojo for nonsfi.

[Nick Bray (chromium), 2015/04/02 21:40:20]

What's the problem?  Is there an associated issue?

+#if !defined(OS_NACL_NONSFI)
+  mojo::embedder::Init(
+      make_scoped_ptr(new mojo::embedder::SimplePlatformSupport()));
+#endif
+
   scoped_ptr<nacl::NaClSandbox> nacl_sandbox(new nacl::NaClSandbox);
   // Make sure that the early initialization did not start any spurious
   // threads.
 #if !defined(THREAD_SANITIZER)
   CHECK(nacl_sandbox->IsSingleThreaded());
 #endif
 
   const bool is_init_process = 1 == getpid();
   nacl_sandbox->InitializeLayerOneSandbox();
   CHECK_EQ(is_init_process, nacl_sandbox->layer_one_enabled());
 
   const std::vector<int> empty;
   // Send the zygote a message to let it know we are ready to help
   if (!UnixDomainSocket::SendMsg(kNaClZygoteDescriptor,
                                  kNaClHelperStartupAck,
                                  sizeof(kNaClHelperStartupAck), empty)) {
     LOG(ERROR) << "*** send() to zygote failed";
   }
 
   // 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();
 }