Call XSetInputFocus after XRaiseWindow when activating.

ui/views/widget/desktop_aura/desktop_root_window_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_root_window_host_x11.h"
 
 #include <X11/extensions/shape.h>
 #include <X11/extensions/XInput2.h>
 #include <X11/Xatom.h>
 #include <X11/Xregion.h>
@@ skipping 449 matching lines @@
 
 void DesktopWindowTreeHostX11::SetShape(gfx::NativeRegion native_region) {
   if (custom_window_shape_)
     XDestroyRegion(custom_window_shape_);
   custom_window_shape_ = gfx::CreateRegionFromSkRegion(*native_region);
   ResetWindowRegion();
   delete native_region;
 }
 
 void DesktopWindowTreeHostX11::Activate() {
+  if (!window_mapped_)
+    return;
+
   X11DesktopHandler::get()->ActivateWindow(xwindow_);
   native_widget_delegate_->AsWidget()->SetInitialFocus();
 }
 
 void DesktopWindowTreeHostX11::Deactivate() {
   // Deactivating a window means activating nothing.
   x11_capture_.reset();
   X11DesktopHandler::get()->ActivateWindow(None);
 }
 
@@ skipping 1066 matching lines @@
   if (linux_ui) {
     ui::NativeTheme* native_theme = linux_ui->GetNativeTheme();
     if (native_theme)
       return native_theme;
   }
 
   return ui::NativeTheme::instance();
 }
 
 }  // namespace views