Use ChannelMojo from the browser to NaCl loader process.

components/nacl/browser/nacl_broker_host_win.h

Index: components/nacl/browser/nacl_broker_host_win.h
diff --git a/components/nacl/browser/nacl_broker_host_win.h b/components/nacl/browser/nacl_broker_host_win.h
index 726129104309001d90414ad388faf4201fb3211d..560c6758849a2ec604963571cd8617952919c665 100644
--- a/components/nacl/browser/nacl_broker_host_win.h
+++ b/components/nacl/browser/nacl_broker_host_win.h
@@ -31,7 +31,7 @@ class NaClBrokerHost : public content::BrowserChildProcessHostDelegate {
 
   // Send a message to the broker process, causing it to launch
   // a Native Client loader process.
-  bool LaunchLoader(const std::string& loader_channel_id);
+  bool LaunchLoader(const std::string& loader_channel_token);
 
   bool LaunchDebugExceptionHandler(int32_t pid,
                                    base::ProcessHandle process_handle,
@@ -47,7 +47,7 @@ class NaClBrokerHost : public content::BrowserChildProcessHostDelegate {
 
  private:
   // Handler for NaClProcessMsg_LoaderLaunched message
-  void OnLoaderLaunched(const std::string& loader_channel_id,
+  void OnLoaderLaunched(const std::string& loader_channel_token,
                         base::ProcessHandle handle);
   // Handler for NaClProcessMsg_DebugExceptionHandlerLaunched message
   void OnDebugExceptionHandlerLaunched(int32_t pid, bool success);