Flag mouse messages received when cursor is hidden.

ui/platform_window/win/win_window.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 "ui/platform_window/win/win_window.h"
 
 #include <algorithm>
 #include <memory>
 
 #include "base/strings/string16.h"
@@ skipping 118 matching lines @@
   return nullptr;
 }
 
 LRESULT WinWindow::OnMouseRange(UINT message, WPARAM w_param, LPARAM l_param) {
   MSG msg = { hwnd(), message, w_param, l_param,
               static_cast<DWORD>(GetMessageTime()),
               { CR_GET_X_LPARAM(l_param), CR_GET_Y_LPARAM(l_param) } };
   std::unique_ptr<Event> event = EventFromNative(msg);
   if (IsMouseEventFromTouch(message))
     event->set_flags(event->flags() | EF_FROM_TOUCH);
+  if (IsWindowsCursorHidden())
+    event->set_flags(event->flags() | EF_CURSOR_HIDDEN);
   if (!(event->flags() & ui::EF_IS_NON_CLIENT))
     delegate_->DispatchEvent(event.get());
   SetMsgHandled(event->handled());
   return 0;
 }
 
 LRESULT WinWindow::OnCaptureChanged(UINT message,
                                     WPARAM w_param,
                                     LPARAM l_param) {
   delegate_->OnLostCapture();
@@ skipping 49 matching lines @@
 
 namespace test {
 
 // static
 void SetUsePopupAsRootWindowForTest(bool use) {
   use_popup_as_root_window_for_test = use;
 }
 
 }  // namespace test
 }  // namespace ui