base: Move renderer threads to the appropriate cpuset.

content/child/child_process.h

Index: content/child/child_process.h
diff --git a/content/child/child_process.h b/content/child/child_process.h
index 82ec7dd325b6efb224b31506d9a619270a49dabf..b40468beb29f2f59f2b48904be999fc3f558e6c8 100644
--- a/content/child/child_process.h
+++ b/content/child/child_process.h
@@ -69,6 +69,8 @@ class CONTENT_EXPORT ChildProcess {
   void AddRefProcess();
   void ReleaseProcess();
 
+  void SetIOThreadAffinity(base::ThreadPriority io_thread_priority);
+
   // Getter for the one ChildProcess object for this process. Can only be called
   // on the main thread.
   static ChildProcess* current();