Add a virtual beamforming audio device on ChromeOS.

ui/gfx/ipc/gfx_param_traits.h

Index: ui/gfx/ipc/gfx_param_traits.h
diff --git a/ui/gfx/ipc/gfx_param_traits.h b/ui/gfx/ipc/gfx_param_traits.h
index 5bdd1d37e2ab97f9c4d0accc2e461c3015886466..77aa120600fbb2a286ccab65b721fe1c2aedf9ab 100644
--- a/ui/gfx/ipc/gfx_param_traits.h
+++ b/ui/gfx/ipc/gfx_param_traits.h
@@ -18,6 +18,7 @@ class SkBitmap;
 namespace gfx {
 class Point;
 class PointF;
+class Point3F;
 class Range;
 class Rect;
 class RectF;
@@ -46,6 +47,14 @@ struct GFX_IPC_EXPORT ParamTraits<gfx::PointF> {
 };
 
 template <>
+struct GFX_IPC_EXPORT ParamTraits<gfx::Point3F> {
+  typedef gfx::Point3F param_type;
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, base::PickleIterator* iter, param_type* r);
+  static void Log(const param_type& p, std::string* l);
+};
+
+template <>
 struct GFX_IPC_EXPORT ParamTraits<gfx::Size> {
   typedef gfx::Size param_type;
   static void Write(Message* m, const param_type& p);