Init Mojo embedder for Windows NaCl plugins.

components/nacl/loader/nacl_helper_win_64.cc

Index: components/nacl/loader/nacl_helper_win_64.cc
diff --git a/components/nacl/loader/nacl_helper_win_64.cc b/components/nacl/loader/nacl_helper_win_64.cc
index d67b7b32715fdce43920b87aa012236bd3b9e4f1..7dfc376f07a4d044aec9b5d1f2cf2a955b293a15 100644
--- a/components/nacl/loader/nacl_helper_win_64.cc
+++ b/components/nacl/loader/nacl_helper_win_64.cc
@@ -20,6 +20,8 @@
 #include "content/public/common/main_function_params.h"
 #include "content/public/common/sandbox_init.h"
 #include "sandbox/win/src/sandbox_types.h"
+#include "third_party/mojo/src/mojo/edk/embedder/embedder.h"
+#include "third_party/mojo/src/mojo/edk/embedder/simple_platform_support.h"
 
 extern int NaClMain(const content::MainFunctionParams&);
 
@@ -62,6 +64,8 @@ int NaClWin64Main() {
   // Route stdio to parent console (if any) or create one.
   if (command_line.HasSwitch(switches::kEnableLogging))
     base::RouteStdioToConsole();
+  mojo::embedder::Init(
+      make_scoped_ptr(new mojo::embedder::SimplePlatformSupport()));

[Nick Bray (chromium), 2015/04/02 01:22:00]

What about win32?  Are we guaranteed Mojo is initialized when we're built into
Chrome?

 
   // Initialize the sandbox for this process.
   bool sandbox_initialized_ok = content::InitializeSandbox(&sandbox_info);