Reuse more dialog code for new task manager.

chrome/browser/ui/views/new_task_manager_view.h

Index: chrome/browser/ui/views/new_task_manager_view.h
diff --git a/chrome/browser/ui/views/new_task_manager_view.h b/chrome/browser/ui/views/new_task_manager_view.h
index f26bfe33973553641a025b6a0ba172fcee7bcf78..6076e5f48f0ac2d64496e6d54264bb2ce16ba25a 100644
--- a/chrome/browser/ui/views/new_task_manager_view.h
+++ b/chrome/browser/ui/views/new_task_manager_view.h
@@ -12,7 +12,6 @@
 #include "ui/base/models/simple_menu_model.h"
 #include "ui/base/models/table_model.h"
 #include "ui/views/context_menu_controller.h"
-#include "ui/views/controls/button/label_button.h"
 #include "ui/views/controls/menu/menu_runner.h"
 #include "ui/views/controls/table/table_grouper.h"
 #include "ui/views/controls/table/table_view_observer.h"
@@ -21,7 +20,6 @@
 class Browser;
 
 namespace views {
-class LabelButton;
 class Link;
 class TableView;
 class View;
@@ -34,7 +32,6 @@ class TaskManagerTableModel;
 // The new task manager UI container.
 class NewTaskManagerView
     : public TableViewDelegate,
-      public views::ButtonListener,
       public views::DialogDelegateView,
       public views::TableGrouper,
       public views::TableViewObserver,
@@ -57,14 +54,8 @@ class NewTaskManagerView
   void ToggleSortOrder(int visible_column_index) override;
 
   // views::View:
-  void Layout() override;
   gfx::Size GetPreferredSize() const override;
   bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
-  void ViewHierarchyChanged(
-      const ViewHierarchyChangedDetails& details) override;
-
-  // views::ButtonListener:
-  void ButtonPressed(views::Button* sender, const ui::Event& event) override;
 
   // views::DialogDelegateView:
   bool CanResize() const override;
@@ -73,7 +64,11 @@ class NewTaskManagerView
   bool ExecuteWindowsCommand(int command_id) override;
   base::string16 GetWindowTitle() const override;
   std::string GetWindowName() const override;
+  bool Accept() override;
+  bool Close() override;
   int GetDialogButtons() const override;
+  base::string16 GetDialogButtonLabel(ui::DialogButton button) const override;
+  bool IsDialogButtonEnabled(ui::DialogButton button) const override;
   void WindowClosing() override;
   bool UseNewStyleForThisDialog() const override;
 
@@ -114,7 +109,7 @@ class NewTaskManagerView
   void ActivateFocusedTab();
 
   // Restores saved "always on top" state from a previous session.
-  void RetriveSavedAlwaysOnTopState();
+  void RetrieveSavedAlwaysOnTopState();
 
   std::unique_ptr<TaskManagerTableModel> table_model_;
 
@@ -123,7 +118,6 @@ class NewTaskManagerView
   // We need to own the text of the menu, the Windows API does not copy it.
   base::string16 always_on_top_menu_text_;
 
-  views::LabelButton* kill_button_;
   views::TableView* tab_table_;
   views::View* tab_table_parent_;