Record that the window is mapped when we receive a MapNotify event.

ui/views/widget/desktop_aura/desktop_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/views/widget/desktop_aura/desktop_window_tree_host_x11.h"
 
 #include <X11/Xatom.h>
 #include <X11/Xregion.h>
 #include <X11/Xutil.h>
 #include <X11/extensions/XInput2.h>
@@ skipping 1642 matching lines @@
                     1);
   }
 
   XMapWindow(xdisplay_, xwindow_);
 
   // We now block until our window is mapped. Some X11 APIs will crash and
   // burn if passed |xwindow_| before the window is mapped, and XMapWindow is
   // asynchronous.
   if (ui::X11EventSource::GetInstance())
     ui::X11EventSource::GetInstance()->BlockUntilWindowMapped(xwindow_);
-  window_mapped_ = true;
-
-  UpdateMinAndMaxSize();
-
-  // Some WMs only respect maximize hints after the window has been mapped.
-  // Check whether we need to re-do a maximization.
-  if (should_maximize_after_map_) {
-    Maximize();
-    should_maximize_after_map_ = false;
-  }
 }
 
 void DesktopWindowTreeHostX11::SetWindowTransparency() {
   compositor()->SetHostHasTransparentBackground(use_argb_visual_);
   window()->SetTransparent(use_argb_visual_);
   content_window_->SetTransparent(use_argb_visual_);
 }
 
 void DesktopWindowTreeHostX11::Relayout() {
   Widget* widget = native_widget_delegate_->AsWidget();
@@ skipping 193 matching lines @@
         default:
           NOTREACHED();
       }
 
       // If we coalesced an event we need to free its cookie.
       if (num_coalesced > 0)
         XFreeEventData(xev->xgeneric.display, &last_event.xcookie);
       break;
     }
     case MapNotify: {
+      window_mapped_ = true;
+
       FOR_EACH_OBSERVER(DesktopWindowTreeHostObserverX11,
                         observer_list_,
                         OnWindowMapped(xwindow_));
+
+      UpdateMinAndMaxSize();
+
+      // Some WMs only respect maximize hints after the window has been mapped.
+      // Check whether we need to re-do a maximization.
+      if (should_maximize_after_map_) {
+        Maximize();
+        should_maximize_after_map_ = false;
+      }
+
       break;
     }
     case UnmapNotify: {
       FOR_EACH_OBSERVER(DesktopWindowTreeHostObserverX11,
                         observer_list_,
                         OnWindowUnmapped(xwindow_));
       break;
     }
     case ClientMessage: {
       Atom message_type = xev->xclient.message_type;
@@ skipping 138 matching lines @@
   if (linux_ui) {
     ui::NativeTheme* native_theme = linux_ui->GetNativeTheme(window);
     if (native_theme)
       return native_theme;
   }
 
   return ui::NativeThemeAura::instance();
 }
 
 }  // namespace views