Add window cycle completion and cancellation accelerators in mus+ash.

services/ui/ws/event_dispatcher.cc

 // Copyright 2015 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 "services/ui/ws/event_dispatcher.h"
 
 #include <algorithm>
 
 #include "base/memory/ptr_util.h"
 #include "base/time/time.h"
@@ skipping 270 matching lines @@
     DCHECK(event.type() == previous_event_->type() &&
            event.time_stamp() == previous_event_->time_stamp() &&
            event.flags() == previous_event_->flags());
     DCHECK_EQ(previous_accelerator_match_phase_, AcceleratorMatchPhase::ANY);
   }
   previous_event_ = Event::Clone(event);
   previous_accelerator_match_phase_ = match_phase;
 #endif
   if (event.IsKeyEvent()) {
     const ui::KeyEvent* key_event = event.AsKeyEvent();
-    if (event.type() == ui::ET_KEY_PRESSED && !key_event->is_char() &&
-        match_phase == AcceleratorMatchPhase::ANY) {
+    if (!key_event->is_char() && match_phase == AcceleratorMatchPhase::ANY) {
       Accelerator* pre_target =
           FindAccelerator(*key_event, ui::mojom::AcceleratorPhase::PRE_TARGET);
       if (pre_target) {
         delegate_->OnAccelerator(
             pre_target->id(), event,
             EventDispatcherDelegate::AcceleratorPhase::PRE);
         return;
       }
     }
     ProcessKeyEvent(*key_event, match_phase);
@@ skipping 350 matching lines @@
   if (mouse_cursor_source_window_ == window)
     SetMouseCursorSourceWindow(nullptr);
 }
 
 void EventDispatcher::OnDragCursorUpdated() {
   delegate_->UpdateNativeCursorFromDispatcher();
 }
 
 }  // namespace ws
 }  // namespace ui