Change single-interface mojo bindings to use SequencedTaskRunner.

mojo/public/cpp/bindings/lib/associated_interface_ptr_state.h

Index: mojo/public/cpp/bindings/lib/associated_interface_ptr_state.h
diff --git a/mojo/public/cpp/bindings/lib/associated_interface_ptr_state.h b/mojo/public/cpp/bindings/lib/associated_interface_ptr_state.h
index 9e70d92b2d01ab6df73b7855f381d5a2d52f9e1f..faba38435c5e0a57b3b7b9e7d05bb6cc82f36cb4 100644
--- a/mojo/public/cpp/bindings/lib/associated_interface_ptr_state.h
+++ b/mojo/public/cpp/bindings/lib/associated_interface_ptr_state.h
@@ -17,7 +17,7 @@
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
-#include "base/single_thread_task_runner.h"
+#include "base/sequenced_task_runner.h"
 #include "mojo/public/cpp/bindings/associated_group.h"
 #include "mojo/public/cpp/bindings/associated_group_controller.h"
 #include "mojo/public/cpp/bindings/associated_interface_ptr_info.h"
@@ -86,7 +86,7 @@ class AssociatedInterfacePtrState {
   }
 
   void Bind(AssociatedInterfacePtrInfo<Interface> info,
-            scoped_refptr<base::SingleThreadTaskRunner> runner) {
+            scoped_refptr<base::SequencedTaskRunner> runner) {
     DCHECK(!endpoint_client_);
     DCHECK(!proxy_);
     DCHECK_EQ(0u, version_);