Added Launcher_MinimizeTask UMA user action.

ash/shelf/shelf_view.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 "ash/shelf/shelf_view.h"
 
 #include <algorithm>
 
 #include "ash/ash_constants.h"
 #include "ash/ash_switches.h"
@@ skipping 1750 matching lines @@
   } else if (event.IsGestureEvent()) {
     Shell::GetInstance()->metrics()->RecordUserMetricsAction(
         UMA_LAUNCHER_BUTTON_PRESSED_WITH_TOUCH);
   }
 }
 
 void ShelfView::RecordIconActivatedAction(
     ShelfItemDelegate::PerformedAction performed_action) {
   switch (performed_action) {
     case ShelfItemDelegate::kNoAction:
-    case ShelfItemDelegate::kExistingWindowMinimized:
     case ShelfItemDelegate::kAppListMenuShown:
       break;
     case ShelfItemDelegate::kNewWindowCreated:
       Shell::GetInstance()->metrics()->RecordUserMetricsAction(
           UMA_LAUNCHER_LAUNCH_TASK);
       break;
     case ShelfItemDelegate::kExistingWindowActivated:
       Shell::GetInstance()->metrics()->RecordUserMetricsAction(
           UMA_LAUNCHER_SWITCH_TASK);
       break;
+    case ShelfItemDelegate::kExistingWindowMinimized:
+      Shell::GetInstance()->metrics()->RecordUserMetricsAction(
+          UMA_LAUNCHER_MINIMIZE_TASK);
+      break;
   }
 }
 
 bool ShelfView::ShowListMenuForView(const ShelfItem& item,
                                     views::View* source,
                                     const ui::Event& event) {
   ShelfItemDelegate* item_delegate =
       item_manager_->GetShelfItemDelegate(item.id);
   scoped_ptr<ui::MenuModel> list_menu_model(
       item_delegate->CreateApplicationMenu(event.flags()));
@@ skipping 199 matching lines @@
       distance = bounds.x() - coordinate.x();
       break;
     case SHELF_ALIGNMENT_TOP:
       distance = coordinate.y() - bounds.bottom();
       break;
   }
   return distance > 0 ? distance : 0;
 }
 
 }  // namespace ash