Use mirror layer for minimized windows in overview mode

ash/common/wm/overview/window_selector.cc

 // Copyright 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/common/wm/overview/window_selector.h"
 
 #include <algorithm>
 #include <functional>
 #include <set>
 #include <utility>
@@ skipping 79 matching lines @@
 
   const WmWindow* root_window_;
 };
 
 // A comparator for locating a selectable window given a targeted window.
 struct WindowSelectorItemTargetComparator {
   explicit WindowSelectorItemTargetComparator(const WmWindow* target_window)
       : target(target_window) {}
 
   bool operator()(WindowSelectorItem* window) const {
-    return window->GetWindow() == target;
+    return window->Contains(target);
   }
 
   const WmWindow* target;
 };
 
 // A comparator for locating a selector item for a given root.
 struct WindowSelectorItemForRoot {
   explicit WindowSelectorItemForRoot(const WmWindow* root)
       : root_window(root) {}
 
@@ skipping 449 matching lines @@
   auto grid =
       std::find_if(grid_list_.begin(), grid_list_.end(),
                    RootWindowGridComparator(gained_active->GetRootWindow()));
   if (grid == grid_list_.end())
     return;
   const std::vector<WindowSelectorItem*> windows = (*grid)->window_list();
 
   auto iter = std::find_if(windows.begin(), windows.end(),
                            WindowSelectorItemTargetComparator(gained_active));
 
-  if (iter != windows.end()) {
-    (*iter)->ShowWindowOnExit();
-  } else if (showing_text_filter_ &&
-             lost_active == GetTextFilterWidgetWindow()) {
+  if (iter == windows.end() && showing_text_filter_ &&
+      lost_active == GetTextFilterWidgetWindow()) {
     return;
   }
 
   // Don't restore focus on exit if a window was just activated.
   ResetFocusRestoreWindow(false);
   CancelSelection();
 }
 
 void WindowSelector::OnAttemptToReactivateWindow(WmWindow* request_active,
                                                  WmWindow* actual_active) {
@@ skipping 92 matching lines @@
   for (size_t i = 0; i <= grid_list_.size() &&
                      grid_list_[selected_grid_index_]->Move(direction, animate);
        i++) {
     selected_grid_index_ =
         (selected_grid_index_ + display_direction + grid_list_.size()) %
         grid_list_.size();
   }
 }
 
 }  // namespace ash