Disable raf alignment when the compositor doesn't generate begin frames.

content/renderer/input/input_event_filter_unittest.cc

Index: content/renderer/input/input_event_filter_unittest.cc
diff --git a/content/renderer/input/input_event_filter_unittest.cc b/content/renderer/input/input_event_filter_unittest.cc
index e52bfd4a12ab474751d9a6fbf640135002354f67..7c331743e41e0dc1f8a644795f1d24afb9726755 100644
--- a/content/renderer/input/input_event_filter_unittest.cc
+++ b/content/renderer/input/input_event_filter_unittest.cc
@@ -259,8 +259,8 @@ class InputEventFilterTest : public testing::Test,
   }
 
   void RegisterRoute() {
-    input_event_queue_ =
-        new MainThreadEventQueue(this, main_task_runner_, &renderer_scheduler_);
+    input_event_queue_ = new MainThreadEventQueue(this, main_task_runner_,
+                                                  &renderer_scheduler_, true);
     filter_->RegisterRoutingID(kTestRoutingID, input_event_queue_);
   }