views: Fix some DCHECKs to use (expected, actual) order.

chrome/browser/ui/views/task_manager_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 "chrome/browser/task_manager/task_manager.h"
 
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/metrics/stats_table.h"
 #include "base/utf_string_conversions.h"
@@ skipping 585 matching lines @@
   if (focus_manager)
     focus_manager->SetFocusedView(instance_->tab_table_);
 }
 
 // ButtonListener implementation.
 void TaskManagerView::ButtonPressed(
     views::Button* sender, const views::Event& event) {
   if (purge_memory_button_ && (sender == purge_memory_button_)) {
     MemoryPurger::PurgeAll();
   } else {
-    DCHECK_EQ(sender, kill_button_);
+    DCHECK_EQ(kill_button_, sender);
     for (views::TableSelectionIterator iter  = tab_table_->SelectionBegin();
          iter != tab_table_->SelectionEnd(); ++iter)
       task_manager_->KillProcess(*iter);
   }
 }
 
 // DialogDelegate implementation.
 bool TaskManagerView::CanResize() const {
   return true;
 }
@@ skipping 178 matching lines @@
 // Declared in browser_dialogs.h so others don't need to depend on our header.
 void ShowTaskManager() {
   TaskManagerView::Show(false);
 }
 
 void ShowBackgroundPages() {
   TaskManagerView::Show(true);
 }
 
 }  // namespace browser