[ash-md] Makes sure that minimized windows can be activated in overview

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 405 matching lines @@
     selected_grid_index_--;
     // If the grid which became empty was the one with the selected window, we
     // need to select a window on the newly selected grid.
     if (selected_grid_index_ == index - 1)
       Move(LEFT, true);
   }
   if (grid_list_.empty())
     CancelSelection();
 }
 
-void WindowSelector::SelectWindow(WmWindow* window) {
+void WindowSelector::SelectWindow(WindowSelectorItem* item) {
+  WmWindow* window = item->GetWindow();
   std::vector<WmWindow*> window_list =
       WmShell::Get()->mru_window_tracker()->BuildMruWindowList();
   if (!window_list.empty()) {
     // Record UMA_WINDOW_OVERVIEW_ACTIVE_WINDOW_CHANGED if the user is selecting
     // a window other than the window that was active prior to entering overview
     // mode (i.e., the window at the front of the MRU list).
     if (window_list[0] != window) {
       WmShell::Get()->RecordUserMetricsAction(
           UMA_WINDOW_OVERVIEW_ACTIVE_WINDOW_CHANGED);
     }
     const auto it = std::find(window_list.begin(), window_list.end(), window);
     if (it != window_list.end()) {
       // Record 1-based index so that selecting a top MRU window will record 1.
       UMA_HISTOGRAM_COUNTS_100("Ash.WindowSelector.SelectionDepth",
                                1 + it - window_list.begin());
     }
   }
-
+  item->EnsureVisible();
   window->GetWindowState()->Activate();
 }
 
 void WindowSelector::WindowClosing(WindowSelectorItem* window) {
   grid_list_[selected_grid_index_]->WindowClosing(window);
 }
 
 bool WindowSelector::HandleKeyEvent(views::Textfield* sender,
                                     const ui::KeyEvent& key_event) {
   if (key_event.type() != ui::ET_KEY_PRESSED)
@@ skipping 35 matching lines @@
     case ui::VKEY_RETURN:
       // Ignore if no item is selected.
       if (!grid_list_[selected_grid_index_]->is_selecting())
         return false;
       UMA_HISTOGRAM_COUNTS_100("Ash.WindowSelector.ArrowKeyPresses",
                                num_key_presses_);
       UMA_HISTOGRAM_CUSTOM_COUNTS("Ash.WindowSelector.KeyPressesOverItemsRatio",
                                   (num_key_presses_ * 100) / num_items_, 1, 300,
                                   30);
       WmShell::Get()->RecordUserMetricsAction(UMA_WINDOW_OVERVIEW_ENTER_KEY);
-      SelectWindow(
-          grid_list_[selected_grid_index_]->SelectedWindow()->GetWindow());
+      SelectWindow(grid_list_[selected_grid_index_]->SelectedWindow());
       break;
     default:
       // Not a key we are interested in, allow the textfield to handle it.
       return false;
   }
   return true;
 }
 
 void WindowSelector::OnDisplayAdded(const display::Display& display) {}
 
@@ skipping 162 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