Revert of [Android] Provide unhandled tap event notifications

content/browser/renderer_host/input/input_router_impl_unittest.cc

Index: content/browser/renderer_host/input/input_router_impl_unittest.cc
diff --git a/content/browser/renderer_host/input/input_router_impl_unittest.cc b/content/browser/renderer_host/input/input_router_impl_unittest.cc
index 8093fd95d190567e6819d07767c32b84bf3d1584..9f6760b3139e23b3d29522135b0a9f8c294bfff2 100644
--- a/content/browser/renderer_host/input/input_router_impl_unittest.cc
+++ b/content/browser/renderer_host/input/input_router_impl_unittest.cc
@@ -1267,17 +1267,12 @@
   EXPECT_EQ(1U, GetSentMessageCountAndResetSink());
 
   // The GestureTapUnconfirmed is converted into a tap, as the touch action is
-  // none.
+  // auto.
   SimulateGestureEvent(WebInputEvent::GestureTapUnconfirmed,
                        WebGestureEvent::Touchscreen);
-  EXPECT_EQ(1U, GetSentMessageCountAndResetSink());
-  // This test will become invalid if GestureTap stops requiring an ack.
-  ASSERT_TRUE(!WebInputEventTraits::IgnoresAckDisposition(
-      WebInputEvent::GestureTap));
-  EXPECT_EQ(2, client_->in_flight_event_count());
   SendInputEventACK(WebInputEvent::GestureTap,
                     INPUT_EVENT_ACK_STATE_CONSUMED);
-  EXPECT_EQ(1, client_->in_flight_event_count());
+  EXPECT_EQ(1U, GetSentMessageCountAndResetSink());
 
   // This tap gesture is dropped, since the GestureTapUnconfirmed was turned
   // into a tap.
@@ -1299,10 +1294,8 @@
   SimulateGestureEvent(WebInputEvent::GestureDoubleTap,
                        WebGestureEvent::Touchscreen);
   // This test will become invalid if GestureDoubleTap stops requiring an ack.
-  ASSERT_TRUE(!WebInputEventTraits::IgnoresAckDisposition(
+  DCHECK(!WebInputEventTraits::IgnoresAckDisposition(
       WebInputEvent::GestureDoubleTap));
-  EXPECT_EQ(1, client_->in_flight_event_count());
-  SendInputEventACK(WebInputEvent::GestureTap, INPUT_EVENT_ACK_STATE_CONSUMED);
   EXPECT_EQ(0, client_->in_flight_event_count());
 }