Remove canScroll from WebMouseWheelEvent as it is unused now.

components/test_runner/event_sender.cc

 // Copyright 2014 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 "components/test_runner/event_sender.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 2096 matching lines @@
 void EventSender::GestureTwoFingerTap(gin::Arguments* args) {
   GestureEvent(WebInputEvent::GestureTwoFingerTap, args);
 }
 
 void EventSender::MouseScrollBy(gin::Arguments* args,
                                 MouseScrollType scroll_type) {
   WebMouseWheelEvent wheel_event;
   // TODO(dtapuska): Gestures really should be sent by the MouseWheelEventQueue
   // class in the browser. But since the event doesn't propogate up into
   // the browser generate the events here. See crbug.com/596095.
-  bool send_gestures = false;
+  bool send_gestures = true;
   InitMouseWheelEvent(args, scroll_type, &wheel_event, &send_gestures);
   if (HandleInputEventOnViewOrPopup(wheel_event) ==
           WebInputEventResult::NotHandled &&
       send_gestures) {
     SendGesturesForMouseWheelEvent(wheel_event);
   }
 }
 
 void EventSender::MouseMoveTo(gin::Arguments* args) {
   if (force_layout_on_events_)
@@ skipping 419 matching lines @@
   }
   double vertical;
   if (!args->GetNext(&vertical)) {
     args->ThrowError();
     return;
   }
 
   bool paged = false;
   bool has_precise_scrolling_deltas = false;
   int modifiers = 0;
-  bool can_scroll = true;
   if (!args->PeekNext().IsEmpty()) {
     args->GetNext(&paged);
     if (!args->PeekNext().IsEmpty()) {
       args->GetNext(&has_precise_scrolling_deltas);
       if (!args->PeekNext().IsEmpty()) {
         v8::Local<v8::Value> value;
         args->GetNext(&value);
         modifiers = GetKeyModifiersFromV8(args->isolate(), value);
         if (!args->PeekNext().IsEmpty()) {
-          args->GetNext(&can_scroll);
+          args->GetNext(send_gestures);
         }
       }
     }
   }
-  if (can_scroll) {
-    can_scroll = false;
-    *send_gestures = true;
-  }
 
   InitMouseEvent(WebInputEvent::MouseWheel,
                  current_pointer_state_[kRawMousePointerId].pressed_button_,
                  current_pointer_state_[kRawMousePointerId].current_buttons_,
                  current_pointer_state_[kRawMousePointerId].last_pos_,
                  GetCurrentEventTimeSec(), click_count_, modifiers, event);
   event->wheelTicksX = static_cast<float>(horizontal);
   event->wheelTicksY = static_cast<float>(vertical);
   event->deltaX = event->wheelTicksX;
   event->deltaY = event->wheelTicksY;
   event->scrollByPage = paged;
   event->hasPreciseScrollingDeltas = has_precise_scrolling_deltas;
-  event->canScroll = can_scroll;
   if (scroll_type == MouseScrollType::PIXEL) {
     event->wheelTicksX /= kScrollbarPixelsPerTick;
     event->wheelTicksY /= kScrollbarPixelsPerTick;
   } else {
     event->deltaX *= kScrollbarPixelsPerTick;
     event->deltaY *= kScrollbarPixelsPerTick;
   }
 }
 
 // Radius fields radius_x and radius_y should eventually be moved to
@@ skipping 222 matching lines @@
 
 const blink::WebView* EventSender::view() const {
   return web_test_proxy_base_->web_view();
 }
 
 blink::WebView* EventSender::view() {
   return web_test_proxy_base_->web_view();
 }
 
 }  // namespace test_runner