Move arrow scrolling into KeyboardEventManager.

third_party/WebKit/Source/web/WebFrameWidgetImpl.h

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 144 matching lines @@
 
   // Returns the page object associated with this widget. This may be null when
   // the page is shutting down, but will be valid at all other times.
   Page* page() const { return view()->page(); }
 
   // Event related methods:
   void mouseContextMenu(const WebMouseEvent&);
 
   WebLayerTreeView* layerTreeView() const { return m_layerTreeView; }
 
-  // Returns true if the event leads to scrolling.
-  static bool mapKeyCodeForScroll(int keyCode,
-                                  ScrollDirection*,
-                                  ScrollGranularity*);
-
   Color baseBackgroundColor() const { return m_baseBackgroundColor; }
 
   DECLARE_TRACE();
 
  private:
   friend class WebFrameWidget;  // For WebFrameWidget::create.
 
   explicit WebFrameWidgetImpl(WebWidgetClient*, WebLocalFrame*);
 
   // Perform a hit test for a point relative to the root frame of the page.
   HitTestResult hitTestResultForRootFramePos(const IntPoint& posInRootFrame);
 
-  // Returns true if the event was actually processed.
-  WebInputEventResult keyEventDefault(const WebKeyboardEvent&);
-
-  // Returns true if the view was scrolled.
-  WebInputEventResult scrollViewWithKeyboard(int keyCode, int modifiers);
-
   void initializeLayerTreeView();
 
   void setIsAcceleratedCompositingActive(bool);
   void updateLayerTreeViewport();
   void updateLayerTreeBackgroundColor();
   void updateLayerTreeDeviceScaleFactor();
 
   // PageWidgetEventHandler functions
   void handleMouseLeave(LocalFrame&, const WebMouseEvent&) override;
   void handleMouseDown(LocalFrame&, const WebMouseEvent&) override;
@@ skipping 59 matching lines @@
 
 DEFINE_TYPE_CASTS(WebFrameWidgetImpl,
                   WebFrameWidgetBase,
                   widget,
                   widget->forSubframe(),
                   widget.forSubframe());
 
 }  // namespace blink
 
 #endif