Adding back Mouse Focus on |sendContextMenuEventForGesture|

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 357 matching lines @@
     eventType = PlatformEvent::MouseReleased;
 
   PlatformMouseEvent mouseEvent(
       targetedEvent.event().position(), targetedEvent.event().globalPosition(),
       WebPointerProperties::Button::Right, eventType, /* clickCount */ 1,
       static_cast<PlatformEvent::Modifiers>(
           modifiers | PlatformEvent::Modifiers::RightButtonDown),
       PlatformMouseEvent::FromTouch, WTF::monotonicallyIncreasingTime(),
       WebPointerProperties::PointerType::Mouse);
 
+  if (!m_suppressMouseEventsFromGestures && m_frame->view()) {
+    HitTestRequest request(HitTestRequest::Active);
+    LayoutPoint documentPoint =
+        m_frame->view()->rootFrameToContents(targetedEvent.event().position());
+    MouseEventWithHitTestResults mev =
+        m_frame->document()->performMouseEventHitTest(request, documentPoint,
+                                                      mouseEvent);
+    m_mouseEventManager->handleMouseFocus(
+        mev.hitTestResult(),
+        InputDeviceCapabilities::firesTouchEventsSourceCapabilities());
+  }
   return m_frame->eventHandler().sendContextMenuEvent(mouseEvent);
 }
 
 WebInputEventResult GestureManager::handleGestureShowPress() {
   m_lastShowPressTimestamp = WTF::monotonicallyIncreasingTime();
 
   FrameView* view = m_frame->view();
   if (!view)
     return WebInputEventResult::NotHandled;
   if (ScrollAnimatorBase* scrollAnimator = view->existingScrollAnimator())
@@ skipping 14 matching lines @@
     return nullptr;
 
   return &m_frame->page()->frameHost();
 }
 
 double GestureManager::getLastShowPressTimestamp() const {
   return m_lastShowPressTimestamp;
 }
 
 }  // namespace blink