Add TaskManagerEndProcessEnabled policy

chrome/browser/ui/cocoa/task_manager_mac.mm

 // 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 "chrome/browser/ui/cocoa/task_manager_mac.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <vector>
@@ skipping 393 matching lines @@
       selectionContainsBrowserProcess = true;
 
     TaskManagerModel::GroupRange rangePair =
         model_->GetGroupRangeForResource(modelIndex);
     NSMutableIndexSet* indexSet = [NSMutableIndexSet indexSet];
     for (int j = 0; j < rangePair.second; ++j)
       [indexSet addIndex:modelToViewMap_[rangePair.first + j]];
     [tableView_ selectRowIndexes:indexSet byExtendingSelection:YES];
   }
 
-  bool enabled = [selection count] > 0 && !selectionContainsBrowserProcess;
+  bool enabled = [selection count] > 0 && !selectionContainsBrowserProcess &&
+    TaskManager::IsEndProcessEnabled();
   [endProcessButton_ setEnabled:enabled];
 }
 
 - (void)deselectRows {
   [tableView_ deselectAll:self];
 }
 
 // Table view delegate methods.
 
 // The selection is being changed by mouse (drag/click).
@@ skipping 171 matching lines @@
 void ShowTaskManager(Browser* browser) {
   TaskManagerMac::Show();
 }
 
 void HideTaskManager() {
   TaskManagerMac::Hide();
 }
 
 }  // namespace chrome