Explicitly coerce PostDispatchAction to uint32_t in DispatchEvent()

ui/aura/window_tree_host_x11.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/window_tree_host_x11.h"
 
 #include <strings.h>
 #include <X11/cursorfont.h>
 #include <X11/extensions/XInput2.h>
 #include <X11/extensions/Xrandr.h>
@@ skipping 307 matching lines @@
 bool WindowTreeHostX11::CanDispatchEvent(const ui::PlatformEvent& event) {
   ::Window target = FindEventTarget(event);
   return target == xwindow_ || target == x_root_window_;
 }
 
 uint32_t WindowTreeHostX11::DispatchEvent(const ui::PlatformEvent& event) {
   XEvent* xev = event;
   if (FindEventTarget(xev) == x_root_window_) {
     if (xev->type == GenericEvent)
       DispatchXI2Event(xev);
-    return ui::POST_DISPATCH_NONE;
+    return ui::kPostDispatchNone;
   }
 
   if (xev->type == MotionNotify) {
     // Discard all but the most recent motion event that targets the same
     // window with unchanged state.
     XEvent last_event;
     while (XPending(xev->xany.display)) {
       XEvent next_event;
       XPeekEvent(xev->xany.display, &next_event);
       if (next_event.type == MotionNotify &&
           next_event.xmotion.window == xev->xmotion.window &&
           next_event.xmotion.subwindow == xev->xmotion.subwindow &&
           next_event.xmotion.state == xev->xmotion.state) {
         XNextEvent(xev->xany.display, &last_event);
         xev = &last_event;
       } else {
         break;
       }
     }
   }
 
   if ((xev->type == EnterNotify || xev->type == LeaveNotify) &&
       xev->xcrossing.detail == NotifyInferior) {
     // Ignore EventNotify and LeaveNotify  events from children of |xwindow_|.
     // NativeViewGLSurfaceGLX adds a child to |xwindow_|.
     // TODO(pkotwicz|tdanderson): Figure out whether the suppression is
     // necessary. crbug.com/385716
-    return ui::POST_DISPATCH_STOP_PROPAGATION;
+    return ui::kPostDispatchStopPropagation;
   }
 
   if (xev->type == EnterNotify ||
       xev->type == LeaveNotify ||
       xev->type == KeyPress ||
       xev->type == KeyRelease ||
       xev->type == ButtonPress ||
       xev->type == ButtonRelease ||
       xev->type == MotionNotify) {
     switch (ui::EventTypeFromNative(xev)) {
@@ skipping 31 matching lines @@
         ui::MouseWheelEvent mouseev(xev);
         TranslateAndDispatchLocatedEvent(&mouseev);
         break;
       }
       case ui::ET_UNKNOWN:
         // No event is created for X11-release events for mouse-wheel buttons.
         break;
       default:
          NOTREACHED();
     }
-    return ui::POST_DISPATCH_STOP_PROPAGATION;
+    return ui::kPostDispatchStopPropagation;
   }
 
   switch (xev->type) {
     case Expose: {
       gfx::Rect damage_rect(xev->xexpose.x, xev->xexpose.y,
                             xev->xexpose.width, xev->xexpose.height);
       compositor()->ScheduleRedrawRect(damage_rect);
       break;
     }
     case FocusOut:
@@ skipping 48 matching lines @@
         case MappingPointer:
           ui::DeviceDataManagerX11::GetInstance()->UpdateButtonMap();
           break;
         default:
           NOTIMPLEMENTED() << " Unknown request: " << xev->xmapping.request;
           break;
       }
       break;
     }
   }
-  return ui::POST_DISPATCH_STOP_PROPAGATION;
+  return ui::kPostDispatchStopPropagation;
 }
 
 ui::EventSource* WindowTreeHostX11::GetEventSource() {
   return this;
 }
 
 gfx::AcceleratedWidget WindowTreeHostX11::GetAcceleratedWidget() {
   return xwindow_;
 }
 
@@ skipping 239 matching lines @@
 }
 
 namespace test {
 
 void SetUseOverrideRedirectWindowByDefault(bool override_redirect) {
   default_override_redirect = override_redirect;
 }
 
 }  // namespace test
 }  // namespace aura