Move arrow scrolling into KeyboardEventManager.

third_party/WebKit/Source/web/WebFrameWidgetImpl.h

Index: third_party/WebKit/Source/web/WebFrameWidgetImpl.h
diff --git a/third_party/WebKit/Source/web/WebFrameWidgetImpl.h b/third_party/WebKit/Source/web/WebFrameWidgetImpl.h
index 562865ece7c47e873ba5b6ff6c0815a6a2ce899f..09c956ca61845df045a2decccafe86685dc699d9 100644
--- a/third_party/WebKit/Source/web/WebFrameWidgetImpl.h
+++ b/third_party/WebKit/Source/web/WebFrameWidgetImpl.h
@@ -162,11 +162,6 @@ class WebFrameWidgetImpl final
 
   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();
@@ -179,12 +174,6 @@ class WebFrameWidgetImpl final
   // 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);