Add --keyboard-usability-test flag and always show keyboard unless manually hide

ui/keyboard/keyboard_controller.h

 // Copyright (c) 2013 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 UI_KEYBOARD_KEYBOARD_CONTROLLER_H_
 #define UI_KEYBOARD_KEYBOARD_CONTROLLER_H_
 
 #include "base/basictypes.h"
 #include "base/event_types.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "ui/aura/window_observer.h"
 #include "ui/base/ime/input_method_observer.h"
 #include "ui/keyboard/keyboard_export.h"
 
+class CommandLine;
+
 namespace aura {
 class Window;
 }
 namespace gfx {
 class Rect;
 }
 namespace ui {
 class InputMethod;
 class TextInputClient;
 }
@@ skipping 14 matching lines @@
     // System initiated.
     HIDE_REASON_AUTOMATIC,
     // User initiated.
     HIDE_REASON_MANUAL,
   };
 
   // Takes ownership of |proxy|.
   explicit KeyboardController(KeyboardControllerProxy* proxy);
   virtual ~KeyboardController();
 
+  void set_command_line_for_testing(CommandLine* command_line) {
+    command_line_for_testing_ = command_line;
+  }
+
   // Returns the container for the keyboard, which is owned by
   // KeyboardController.
   aura::Window* GetContainerWindow();
 
   // Hides virtual keyboard and notifies observer bounds change.
   // This function should be called with a delay to avoid layout flicker
   // when the focus of input field quickly change. |automatic| is true when the
   // call is made by the system rather than initiated by the user.
   void HideKeyboard(HideReason reason);
 
@@ skipping 25 matching lines @@
       const ui::InputMethod* input_method) OVERRIDE;
 
   // Returns true if keyboard is scheduled to hide.
   bool WillHideKeyboard() const;
 
   scoped_ptr<KeyboardControllerProxy> proxy_;
   scoped_ptr<aura::Window> container_;
   ui::InputMethod* input_method_;
   bool keyboard_visible_;
 
+  // If non-NULL, used in place of the real command line.
+  CommandLine* command_line_for_testing_;
+

[sadrul, 2013/10/24 01:21:01]

You shouldn't need this. See comment in test.

[bshe, 2013/10/24 03:35:36]

Done.

   ObserverList<KeyboardControllerObserver> observer_list_;
 
   base::WeakPtrFactory<KeyboardController> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(KeyboardController);
 };
 
 }  // namespace keyboard
 
 #endif  // UI_KEYBOARD_KEYBOARD_CONTROLLER_H_