Remove stops_event_propagation from Window, since it's broken.

ui/aura/root_window.cc

 // Copyright (c) 2012 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/aura/root_window.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "ui/aura/aura_switches.h"
 #include "ui/aura/client/activation_client.h"
+#include "ui/aura/client/event_client.h"
 #include "ui/aura/env.h"
 #include "ui/aura/root_window_host.h"
 #include "ui/aura/root_window_observer.h"
 #include "ui/aura/event.h"
 #include "ui/aura/event_filter.h"
 #include "ui/aura/focus_manager.h"
 #include "ui/aura/gestures/gesture_recognizer.h"
 #include "ui/aura/monitor.h"
 #include "ui/aura/monitor_manager.h"
 #include "ui/aura/window.h"
@@ skipping 176 matching lines @@
     } else {
       DispatchHeldMouseMove();
     }
   }
   return DispatchMouseEventImpl(event);
 }
 
 bool RootWindow::DispatchKeyEvent(KeyEvent* event) {
   DispatchHeldMouseMove();
   KeyEvent translated_event(*event);
+
+  client::EventClient* client = client::GetEventClient(GetRootWindow());
+  if (client && !client->CanProcessEventsWithinSubtree(focused_window_)) {
+    SetFocusedWindow(NULL, NULL);
+    return false;
+  }
   return ProcessKeyEvent(focused_window_, &translated_event);
 }
 
 bool RootWindow::DispatchScrollEvent(ScrollEvent* event) {
   DispatchHeldMouseMove();
   event->UpdateForRootTransform(layer()->transform());
 
   last_mouse_location_ = event->location();
   synthesize_mouse_move_ = false;
 
@@ skipping 641 matching lines @@
   // is currently broken. See/ crbug.com/107931.
   MouseEvent event(ui::ET_MOUSE_MOVED,
                    orig_mouse_location,
                    orig_mouse_location,
                    ui::EF_IS_SYNTHESIZED);
   DispatchMouseEvent(&event);
 #endif
 }
 
 }  // namespace aura