Mojo: introducing a thread safe interface pointer.

mojo/public/cpp/bindings/interface_ptr.h

Index: mojo/public/cpp/bindings/interface_ptr.h
diff --git a/mojo/public/cpp/bindings/interface_ptr.h b/mojo/public/cpp/bindings/interface_ptr.h
index bd77ead04285c2173f1b69b574af76ccec8212eb..c6c4bc2a2abdf3b2767d9eca56a9c11cf425de51 100644
--- a/mojo/public/cpp/bindings/interface_ptr.h
+++ b/mojo/public/cpp/bindings/interface_ptr.h
@@ -106,6 +106,13 @@ class InterfacePtr {
     internal_state_.QueryVersion(callback);
   }
 
+  // Returns a thread safe interface pointer that can be used to make interface
+  // calls from any thread. The callbacks are invoked on the thread the
+  // interface method is called from.
+  scoped_refptr<ThreadSafeInterfacePtr<Interface>> GetThreadSafePtr() {
+    return internal_state_.GetThreadSafePtr();
+  }
+
   // If the remote side doesn't support the specified version, it will close its
   // end of the message pipe asynchronously. This does nothing if it's already
   // known that the remote side supports the specified version, i.e., if