Synthesize ctrl-wheel events on touchpad pinch

content/browser/renderer_host/input/touch_action_filter_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/input/touch_action_filter.h"
 #include "content/common/input/synthetic_web_input_event_builders.h"
 #include "content/port/browser/event_with_latency_info.h"
 #include "content/port/common/input_event_ack_state.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
@@ skipping 364 matching lines @@
 }
 
 TEST(TouchActionFilterTest, Pinch) {
   TouchActionFilter filter;
 
   WebGestureEvent scroll_begin =
       SyntheticWebGestureEventBuilder::BuildScrollBegin(2, 3);
   WebGestureEvent pinch_begin = SyntheticWebGestureEventBuilder::Build(
           WebInputEvent::GesturePinchBegin, WebGestureEvent::Touchscreen);
   WebGestureEvent pinch_update =
-      SyntheticWebGestureEventBuilder::BuildPinchUpdate(1.2f, 5, 5, 0);
+      SyntheticWebGestureEventBuilder::BuildPinchUpdate(
+          1.2f, 5, 5, 0, WebGestureEvent::Touchscreen);
   WebGestureEvent pinch_end = SyntheticWebGestureEventBuilder::Build(
           WebInputEvent::GesturePinchEnd, WebGestureEvent::Touchscreen);
   WebGestureEvent scroll_end = SyntheticWebGestureEventBuilder::Build(
       WebInputEvent::GestureScrollEnd, WebGestureEvent::Touchscreen);
 
   // Pinch is allowed with touch-action: auto.
   filter.ResetTouchAction();
   filter.OnSetTouchAction(TOUCH_ACTION_AUTO);
   EXPECT_FALSE(filter.FilterGestureEvent(&scroll_begin));
   EXPECT_FALSE(filter.FilterGestureEvent(&pinch_begin));
@@ skipping 188 matching lines @@
 
   filter.ResetTouchAction();
   filter.OnSetTouchAction(TOUCH_ACTION_NONE);
   EXPECT_FALSE(filter.FilterGestureEvent(&tap));
 
   filter.ResetTouchAction();
   EXPECT_FALSE(filter.FilterGestureEvent(&scroll_begin));
 }
 
 }  // namespace content