Added an ActivationReason parameter to ActivationChangeObserver::OnWindowActivated(...).

ash/wm/dock/docked_window_layout_manager.cc

 // Copyright (c) 2013 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 "ash/wm/dock/docked_window_layout_manager.h"
 
 #include "ash/screen_util.h"
 #include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_constants.h"
 #include "ash/shelf/shelf_layout_manager.h"
@@ skipping 884 matching lines @@
   if (window == last_active_window_)
     last_active_window_ = NULL;
   RecordUmaAction(DOCKED_ACTION_CLOSE, event_source_);
 }
 
 
 ////////////////////////////////////////////////////////////////////////////////
 // DockedWindowLayoutManager, aura::client::ActivationChangeObserver
 // implementation:
 
-void DockedWindowLayoutManager::OnWindowActivated(aura::Window* gained_active,
-                                                  aura::Window* lost_active) {
+void DockedWindowLayoutManager::OnWindowActivated(
+    aura::client::ActivationChangeObserver::ActivationReason reason,
+    aura::Window* gained_active,
+    aura::Window* lost_active) {
   if (gained_active && IsPopupOrTransient(gained_active))
     return;
   // Ignore if the window that is not managed by this was activated.
   aura::Window* ancestor = NULL;
   for (aura::Window* parent = gained_active;
        parent; parent = parent->parent()) {
     if (parent->parent() == dock_container_) {
       ancestor = parent;
       break;
     }
@@ skipping 434 matching lines @@
 
 void DockedWindowLayoutManager::OnKeyboardBoundsChanging(
     const gfx::Rect& keyboard_bounds) {
   // This bounds change will have caused a change to the Shelf which does not
   // propagate automatically to this class, so manually recalculate bounds.
   Relayout();
   UpdateDockBounds(DockedWindowLayoutManagerObserver::KEYBOARD_BOUNDS_CHANGING);
 }
 
 }  // namespace ash