Pass timeout to RepeatableScrollAction.

tools/telemetry/telemetry/internal/actions/repeatable_scroll.py

Index: tools/telemetry/telemetry/internal/actions/repeatable_scroll.py
diff --git a/tools/telemetry/telemetry/internal/actions/repeatable_scroll.py b/tools/telemetry/telemetry/internal/actions/repeatable_scroll.py
index ef33399d3e41b132645bd625718b38f399a7bfdc..79ba4c4f212576ba7c8a8f603915c30d93c3cec0 100644
--- a/tools/telemetry/telemetry/internal/actions/repeatable_scroll.py
+++ b/tools/telemetry/telemetry/internal/actions/repeatable_scroll.py
@@ -9,13 +9,14 @@ from telemetry.web_perf import timeline_interaction_record
 class RepeatableScrollAction(page_action.PageAction):
 
   def __init__(self, x_scroll_distance_ratio=0.0, y_scroll_distance_ratio=0.5,
-               repeat_count=0, repeat_delay_ms=250):
+               repeat_count=0, repeat_delay_ms=250, timeout=60):
     super(RepeatableScrollAction, self).__init__()
     self._x_scroll_distance_ratio = x_scroll_distance_ratio
     self._y_scroll_distance_ratio = y_scroll_distance_ratio
     self._repeat_count = repeat_count
     self._repeat_delay_ms = repeat_delay_ms
     self._windowsize = []
+    self._timeout = timeout
 
   def WillRunAction(self, tab):
     # Get the dimensions of the screen.
@@ -35,4 +36,5 @@ class RepeatableScrollAction(page_action.PageAction):
         repeatCount=self._repeat_count,
         repeatDelayMs=self._repeat_delay_ms,
         interactionMarkerName=timeline_interaction_record.GetJavaScriptMarker(
-            'Gesture_ScrollAction', [timeline_interaction_record.REPEATABLE]))
+            'Gesture_ScrollAction', [timeline_interaction_record.REPEATABLE]),
+        timeout=self._timeout)