Fix autofill popup controller key press callback registration

chrome/browser/ui/autofill/popup_controller_common.h

 // Copyright 2014 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_AUTOFILL_POPUP_CONTROLLER_COMMON_H_
 #define CHROME_BROWSER_UI_AUTOFILL_POPUP_CONTROLLER_COMMON_H_
 
 #include "base/i18n/rtl.h"
-#include "base/macros.h"
-#include "content/public/browser/render_widget_host.h"
 #include "ui/gfx/geometry/rect_f.h"
 #include "ui/gfx/native_widget_types.h"
 
-namespace content {
-class RenderViewHost;
-class WebContents;
-}
-
 namespace autofill {
 
-// Class that controls common functionality for  Autofill style popups. Can
-// determine the correct location of a popup of a desired size and can register
-// a handler to key press events.
-class PopupControllerCommon {
+// A struct that holds some common data for Autofill style popups:
+// the pop-up bounds, text direction and container view.
+struct PopupControllerCommon {
  public:
   PopupControllerCommon(const gfx::RectF& element_bounds,
                         base::i18n::TextDirection text_direction,
-                        gfx::NativeView container_view,
-                        content::WebContents* web_contents);
-  virtual ~PopupControllerCommon();
+                        gfx::NativeView container_view);
 
-  const gfx::RectF& element_bounds() const { return element_bounds_; }
-  bool is_rtl() const { return text_direction_ == base::i18n::RIGHT_TO_LEFT; }
-  gfx::NativeView container_view() { return container_view_; }
-  content::WebContents* web_contents() { return web_contents_; }
+  ~PopupControllerCommon();
 
-  // Callback used to register with RenderViewHost. This can only be set once,
-  // or else a callback may be registered that will not be removed
-  // (crbug.com/338070). Call will crash if callback is already set.
-  void SetKeyPressCallback(content::RenderWidgetHost::KeyPressEventCallback);
-
-  // Register listener for key press events with the current RenderViewHost
-  // associated with |web_contents_|. If callback has already been registered,
-  // this has no effect.
-  void RegisterKeyPressCallback();
-
-  // Remove previously registered callback, assuming that the current
-  // RenderViewHost is the same as when it was originally registered. Safe to
-  // call even if the callback is not currently registered.
-  void RemoveKeyPressCallback();
-
- private:
   // The bounds of the text element that is the focus of the popup.
   // These coordinates are in screen space.
-  gfx::RectF element_bounds_;
+  gfx::RectF element_bounds;
 
   // The direction of the <input>.
-  base::i18n::TextDirection text_direction_;
+  base::i18n::TextDirection text_direction;
 
   // Weak reference
-  gfx::NativeView container_view_;
-
-  // The WebContents in which this object should listen for keyboard events
-  // while showing the popup. Can be NULL, in which case this object will not
-  // listen for keyboard events.
-  content::WebContents* web_contents_;
-
-  // The RenderViewHost that this object has registered its keyboard press
-  // callback with.
-  content::RenderViewHost* key_press_event_target_;
-
-  content::RenderWidgetHost::KeyPressEventCallback key_press_event_callback_;
-
-  DISALLOW_COPY_AND_ASSIGN(PopupControllerCommon);
+  gfx::NativeView container_view;
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_BROWSER_UI_AUTOFILL_POPUP_CONTROLLER_COMMON_H_