Use D3D11 Debug Annotations when D3D9 is unavailable

Change-Id: I37ac5fe7f0b2fe5e71bd7f0afca55e9894f3463c
Reviewed-on: https://chromium-review.googlesource.com/224512
Tested-by: Austin Kinross <aukinros@microsoft.com>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
diff --git a/src/common/debug.h b/src/common/debug.h
index 8883ce5..c177f51 100644
--- a/src/common/debug.h
+++ b/src/common/debug.h
@@ -36,6 +36,9 @@
       private:
         DISALLOW_COPY_AND_ASSIGN(ScopedPerfEventHelper);
     };
+
+    void InitializeDebugAnnotations();
+    void UninitializeDebugAnnotations();
 }
 
 // A macro to output a trace of a function call and its arguments to the debugging log