Attempt to fix a CloseHandle crasher in the renderer process. The crash is triggered by Nacl.

components/nacl/renderer/plugin/plugin.h

Index: components/nacl/renderer/plugin/plugin.h
diff --git a/components/nacl/renderer/plugin/plugin.h b/components/nacl/renderer/plugin/plugin.h
index 7e9a323d086f44e730dcc5811c2b73f293afc1ce..1f082225be2fb2d54f24333ae2d22f80cb0ff345 100644
--- a/components/nacl/renderer/plugin/plugin.h
+++ b/components/nacl/renderer/plugin/plugin.h
@@ -80,6 +80,8 @@ class Plugin : public pp::Instance {
   // should include a time-out at which point we declare the
   // nacl_ready_state to be done, and let the normal crash detection
   // mechanism(s) take over.
+  // Please note that a call to this function takes over ownership of the
+  // file_info pointer.
   void LoadNaClModule(PP_NaClFileInfo file_info,
                       bool uses_nonsfi_mode,
                       PP_NaClAppProcessType process_type);
@@ -89,6 +91,8 @@ class Plugin : public pp::Instance {
   // Blocks until the helper module signals initialization is done.
   // Does not update nacl_module_origin().
   // Returns NULL or the NaClSubprocess of the new helper NaCl module.
+  // Please note that a call to this function takes over ownership of the
+  // file_info pointer.
   NaClSubprocess* LoadHelperNaClModule(const std::string& helper_url,
                                        PP_NaClFileInfo file_info,
                                        ErrorInfo* error_info);