Fix X11DesktopHandler::ActivateWindow on Unity for known user gestures

ui/views/widget/widget.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/widget.h"
 
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/trace_event/trace_event.h"
@@ skipping 633 matching lines @@
     SetBounds(initial_restored_bounds_);
     saved_show_state_ = ui::SHOW_STATE_NORMAL;
   }
   native_widget_->ShowWithWindowState(ui::SHOW_STATE_INACTIVE);
 }
 
 void Widget::Activate() {
   native_widget_->Activate();
 }
 
+void Widget::ActivateForUserGesture() {
+  native_widget_->ActivateForUserGesture();
+}
+
 void Widget::Deactivate() {
   native_widget_->Deactivate();
 }
 
 bool Widget::IsActive() const {
   return native_widget_->IsActive();
 }
 
 void Widget::DisableInactiveRendering() {
   SetInactiveRenderingDisabled(true);
@@ skipping 866 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // internal::NativeWidgetPrivate, NativeWidget implementation:
 
 internal::NativeWidgetPrivate* NativeWidgetPrivate::AsNativeWidgetPrivate() {
   return this;
 }
 
 }  // namespace internal
 }  // namespace views