Fix initial focus of Task Manager for ChromeOS.

chrome/browser/ui/views/task_manager_view.h

 // Copyright 2015 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_TASK_MANAGER_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_TASK_MANAGER_VIEW_H_
 
 #include <vector>
 
 #include "base/macros.h"
@@ skipping 36 matching lines @@
   void SetColumnVisibility(int column_id, bool new_visibility) override;
   bool IsTableSorted() const override;
   TableSortDescriptor GetSortDescriptor() const override;
   void SetSortDescriptor(const TableSortDescriptor& descriptor) override;
 
   // views::View:
   gfx::Size GetPreferredSize() const override;
   bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
 
   // views::DialogDelegateView:
+  views::View* GetInitiallyFocusedView() override;
   bool CanResize() const override;
   bool CanMaximize() const override;
   bool CanMinimize() const override;
   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;
@@ skipping 58 matching lines @@
 
   // True when the Task Manager window should be shown on top of other windows.
   bool is_always_on_top_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskManagerView);
 };
 
 }  // namespace task_manager
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TASK_MANAGER_VIEW_H_