ash: Show better focus rects for the tray.

ash/system/user/tray_user.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/system/user/tray_user.h"
 
 #include "ash/shell.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "ash/system/tray/tray_constants.h"
 #include "base/utf_string_conversions.h"
@@ skipping 69 matching lines @@
       views::TextButton::OnPaintBackground(canvas);
   }
 
   virtual void OnPaintBorder(gfx::Canvas* canvas) OVERRIDE {
     if (hover_)
       hover_border_->Paint(*this, canvas);
     else
       views::TextButton::OnPaintBorder(canvas);
   }
 
+  void OnPaintFocusBorder(gfx::Canvas* canvas) OVERRIDE {
+    if (HasFocus() && (focusable() || IsAccessibilityFocusable())) {
+      canvas->DrawRect(gfx::Rect(1, 1, width() - 3, height() - 3),
+                       ash::kFocusBorderColor);
+    }
+  }
+
   bool hover_;
   scoped_ptr<views::Background> hover_bg_;
   scoped_ptr<views::Border> hover_border_;
 
   DISALLOW_COPY_AND_ASSIGN(TrayButton);
 };
 
 }  // namespace
 
 namespace ash {
@@ skipping 256 matching lines @@
 }
 
 void TrayUser::OnUserUpdate() {
   avatar_->SetImage(
       ash::Shell::GetInstance()->tray_delegate()->GetUserImage(),
       gfx::Size(kUserIconSize, kUserIconSize));
 }
 
 }  // namespace internal
 }  // namespace ash