Set up NaClChromeMainArgs number_of_cores member so apps can size threadpools appropriately

chrome/nacl/nacl_listener.h

Index: chrome/nacl/nacl_listener.h
diff --git a/chrome/nacl/nacl_listener.h b/chrome/nacl/nacl_listener.h
index 20e3e7837e3a58076a8b37d8d55006219a67de1f..058e6ee55262221927014de9eaf3d1f874dcd3d3 100644
--- a/chrome/nacl/nacl_listener.h
+++ b/chrome/nacl/nacl_listener.h
@@ -34,6 +34,11 @@ class NaClListener : public IPC::Listener {
     prereserved_sandbox_size_ = prereserved_sandbox_size;
   }
 #endif
+#if defined(OS_LINUX) || defined(OS_MACOSX)

[jvoung (off chromium), 2013/04/16 18:37:38]

Perhaps leave a comment that this is isn't needed for windows because of the
difference in sandbox?

[bsy, 2013/04/17 15:05:37]

Done.

+  void set_number_of_cores(int number_of_cores) {
+    number_of_cores_ = number_of_cores;
+  }
+#endif
 
  private:
   void OnStart(const nacl::NaClStartParams& params);
@@ -51,6 +56,9 @@ class NaClListener : public IPC::Listener {
 #if defined(OS_LINUX)
   size_t prereserved_sandbox_size_;
 #endif
+#if defined(OS_LINUX) || defined(OS_MACOSX)
+  int number_of_cores_;
+#endif
 
   // Used to identify what thread we're on.
   MessageLoop* main_loop_;