Add SyntheticPointerActionParams used in Chromedriver extension

content/common/input/input_param_traits.cc

Index: content/common/input/input_param_traits.cc
diff --git a/content/common/input/input_param_traits.cc b/content/common/input/input_param_traits.cc
index 0402f433c5e0d15f7f6d0407a22c677e21ba4e52..0c5df502523ff4f8bb83ea681b7ea43fdab8d7c6 100644
--- a/content/common/input/input_param_traits.cc
+++ b/content/common/input/input_param_traits.cc
@@ -76,6 +76,10 @@ void ParamTraits<content::SyntheticGesturePacket>::Write(Message* m,
       WriteParam(m, *content::SyntheticTapGestureParams::Cast(
           p.gesture_params()));
       break;
+    case content::SyntheticGestureParams::POINTER_ACTION:
+      WriteParam(
+          m, *content::SyntheticPointerActionParams::Cast(p.gesture_params()));
+      break;
   }
 }
 
@@ -105,6 +109,10 @@ bool ParamTraits<content::SyntheticGesturePacket>::Read(
       gesture_params =
           ReadGestureParams<content::SyntheticTapGestureParams>(m, iter);
       break;
+    case content::SyntheticGestureParams::POINTER_ACTION:
+      gesture_params =
+          ReadGestureParams<content::SyntheticPointerActionParams>(m, iter);
+      break;
     default:
       return false;
   }
@@ -138,6 +146,10 @@ void ParamTraits<content::SyntheticGesturePacket>::Log(const param_type& p,
           *content::SyntheticTapGestureParams::Cast(p.gesture_params()),
           l);
       break;
+    case content::SyntheticGestureParams::POINTER_ACTION:
+      LogParam(*content::SyntheticPointerActionParams::Cast(p.gesture_params()),
+               l);
+      break;
   }
 }