Remove PlatformEvent it is no longer used.

third_party/WebKit/Source/core/input/GestureManager.cpp

 // Copyright 2016 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 "core/input/GestureManager.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/DocumentUserGestureToken.h"
 #include "core/editing/SelectionController.h"
 #include "core/events/GestureEvent.h"
@@ skipping 137 matching lines @@
   IntPoint adjustedPoint = frameView->rootFrameToContents(
       flooredIntPoint(gestureEvent.positionInRootFrame()));
 
   const unsigned modifiers = gestureEvent.modifiers();
 
   if (!m_suppressMouseEventsFromGestures) {
     WebMouseEvent fakeMouseMove(
         WebInputEvent::MouseMove, gestureEvent,
         WebPointerProperties::Button::NoButton,
         /* clickCount */ 0,
-        static_cast<PlatformEvent::Modifiers>(
+        static_cast<WebInputEvent::Modifiers>(
             modifiers | WebInputEvent::Modifiers::IsCompatibilityEventForTouch),
         gestureEvent.timeStampSeconds());
     m_mouseEventManager->setMousePositionAndDispatchMouseEvent(
         currentHitTest.innerNode(), currentHitTest.canvasRegionId(),
         EventTypeNames::mousemove, fakeMouseMove);
   }
 
   // Do a new hit-test in case the mousemove event changed the DOM.
   // Note that if the original hit test wasn't over an element (eg. was over a
   // scrollbar) we don't want to re-hit-test because it may be in the wrong
@@ skipping 21 matching lines @@
       tappedNode ? &tappedNode->document() : nullptr));
 
   if (tappedNonTextNode && tappedNonTextNode->isTextNode())
     tappedNonTextNode = FlatTreeTraversal::parent(*tappedNonTextNode);
 
   m_mouseEventManager->setClickNode(tappedNonTextNode);
 
   WebMouseEvent fakeMouseDown(
       WebInputEvent::MouseDown, gestureEvent,
       WebPointerProperties::Button::Left, gestureEvent.tapCount(),
-      static_cast<PlatformEvent::Modifiers>(
+      static_cast<WebInputEvent::Modifiers>(
           modifiers | WebInputEvent::Modifiers::LeftButtonDown |
           WebInputEvent::Modifiers::IsCompatibilityEventForTouch),
       gestureEvent.timeStampSeconds());
 
   // TODO(mustaq): We suppress MEs plus all it's side effects. What would that
   // mean for for TEs?  What's the right balance here? crbug.com/617255
   WebInputEventResult mouseDownEventResult =
       WebInputEventResult::HandledSuppressed;
   if (!m_suppressMouseEventsFromGestures) {
     m_mouseEventManager->setClickCount(gestureEvent.tapCount());
@@ skipping 30 matching lines @@
     if (mainFrame && mainFrame->view())
       mainFrame->view()->updateAllLifecyclePhases();
     adjustedPoint = frameView->rootFrameToContents(tappedPosition);
     currentHitTest = EventHandlingUtil::hitTestResultInFrame(
         m_frame, adjustedPoint, hitType);
   }
 
   WebMouseEvent fakeMouseUp(
       WebInputEvent::MouseUp, gestureEvent, WebPointerProperties::Button::Left,
       gestureEvent.tapCount(),
-      static_cast<PlatformEvent::Modifiers>(
+      static_cast<WebInputEvent::Modifiers>(
           modifiers | WebInputEvent::Modifiers::IsCompatibilityEventForTouch),
       gestureEvent.timeStampSeconds());
   WebInputEventResult mouseUpEventResult =
       m_suppressMouseEventsFromGestures
           ? WebInputEventResult::HandledSuppressed
           : m_mouseEventManager->setMousePositionAndDispatchMouseEvent(
                 currentHitTest.innerNode(), currentHitTest.canvasRegionId(),
                 EventTypeNames::mouseup, fakeMouseUp);
 
   WebInputEventResult clickEventResult = WebInputEventResult::NotHandled;
@@ skipping 101 matching lines @@
     const GestureEventWithHitTestResults& targetedEvent) {
   const WebGestureEvent& gestureEvent = targetedEvent.event();
   unsigned modifiers = gestureEvent.modifiers();
 
   if (!m_suppressMouseEventsFromGestures) {
     // Send MouseMove event prior to handling (https://crbug.com/485290).
     WebMouseEvent fakeMouseMove(
         WebInputEvent::MouseMove, gestureEvent,
         WebPointerProperties::Button::NoButton,
         /* clickCount */ 0,
-        static_cast<PlatformEvent::Modifiers>(
+        static_cast<WebInputEvent::Modifiers>(
             modifiers | WebInputEvent::IsCompatibilityEventForTouch),
         gestureEvent.timeStampSeconds());
     m_mouseEventManager->setMousePositionAndDispatchMouseEvent(
         targetedEvent.hitTestResult().innerNode(),
         targetedEvent.canvasRegionId(), EventTypeNames::mousemove,
         fakeMouseMove);
   }
 
   WebInputEvent::Type eventType = WebInputEvent::MouseDown;
   if (m_frame->settings() && m_frame->settings()->getShowContextMenuOnMouseUp())
     eventType = WebInputEvent::MouseUp;
 
   WebMouseEvent mouseEvent(
       eventType, gestureEvent, WebPointerProperties::Button::Right,
       /* clickCount */ 1,
-      static_cast<PlatformEvent::Modifiers>(
-          modifiers | PlatformEvent::Modifiers::RightButtonDown |
+      static_cast<WebInputEvent::Modifiers>(
+          modifiers | WebInputEvent::Modifiers::RightButtonDown |
           WebInputEvent::IsCompatibilityEventForTouch),
       gestureEvent.timeStampSeconds());
 
   if (!m_suppressMouseEventsFromGestures && m_frame->view()) {
     HitTestRequest request(HitTestRequest::Active);
     LayoutPoint documentPoint = m_frame->view()->rootFrameToContents(
         flooredIntPoint(targetedEvent.event().positionInRootFrame()));
     MouseEventWithHitTestResults mev =
         m_frame->document()->performMouseEventHitTest(request, documentPoint,
                                                       mouseEvent);
@@ skipping 31 matching lines @@
 
   return &m_frame->page()->frameHost();
 }
 
 WTF::Optional<WTF::TimeTicks> GestureManager::getLastShowPressTimestamp()
     const {
   return m_lastShowPressTimestamp;
 }
 
 }  // namespace blink