Selectively disable rubber banding on mac.

Source/web/PageWidgetDelegate.cpp

 /*
  * Copyright (C) 2012 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 89 matching lines @@
         gc.clip(dirtyRect);
         view->paint(&gc, dirtyRect);
         if (overlays)
             overlays->paintWebFrame(gc);
     } else {
         gc.fillRect(dirtyRect, Color::white);
     }
     gc.restore();
 }
 
-bool PageWidgetDelegate::handleInputEvent(Page* page, PageWidgetEventHandler& handler, const WebInputEvent& event)
+bool PageWidgetDelegate::handleInputEvent(Page* page, PageWidgetEventHandler& handler, const WebInputEvent& event, bool canRubberbandLeft, bool canRubberbandRight)
 {
     LocalFrame* frame = page ? page->mainFrame() : 0;
     switch (event.type) {
 
     // FIXME: WebKit seems to always return false on mouse events processing
     // methods. For now we'll assume it has processed them (as we are only
     // interested in whether keyboard events are processed).
     case WebInputEvent::MouseMove:
         if (!frame || !frame->view())
             return true;
@@ skipping 11 matching lines @@
         return true;
     case WebInputEvent::MouseUp:
         if (!frame || !frame->view())
             return true;
         handler.handleMouseUp(*frame, *static_cast<const WebMouseEvent*>(&event));
         return true;
 
     case WebInputEvent::MouseWheel:
         if (!frame || !frame->view())
             return false;
-        return handler.handleMouseWheel(*frame, *static_cast<const WebMouseWheelEvent*>(&event));
+        return handler.handleMouseWheel(*frame, *static_cast<const WebMouseWheelEvent*>(&event), canRubberbandLeft, canRubberbandRight);
 
     case WebInputEvent::RawKeyDown:
     case WebInputEvent::KeyDown:
     case WebInputEvent::KeyUp:
         return handler.handleKeyEvent(*static_cast<const WebKeyboardEvent*>(&event));
 
     case WebInputEvent::Char:
         return handler.handleCharEvent(*static_cast<const WebKeyboardEvent*>(&event));
     case WebInputEvent::GestureScrollBegin:
     case WebInputEvent::GestureScrollEnd:
@@ skipping 49 matching lines @@
 void PageWidgetEventHandler::handleMouseDown(LocalFrame& mainFrame, const WebMouseEvent& event)
 {
     mainFrame.eventHandler().handleMousePressEvent(PlatformMouseEventBuilder(mainFrame.view(), event));
 }
 
 void PageWidgetEventHandler::handleMouseUp(LocalFrame& mainFrame, const WebMouseEvent& event)
 {
     mainFrame.eventHandler().handleMouseReleaseEvent(PlatformMouseEventBuilder(mainFrame.view(), event));
 }
 
-bool PageWidgetEventHandler::handleMouseWheel(LocalFrame& mainFrame, const WebMouseWheelEvent& event)
+bool PageWidgetEventHandler::handleMouseWheel(LocalFrame& mainFrame, const WebMouseWheelEvent& event, bool canRubberbandLeft, bool canRubberbandRight)
 {
-    return mainFrame.eventHandler().handleWheelEvent(PlatformWheelEventBuilder(mainFrame.view(), event));
+    return mainFrame.eventHandler().handleWheelEvent(PlatformWheelEventBuilder(mainFrame.view(), event), canRubberbandLeft, canRubberbandRight);
 }
 
 bool PageWidgetEventHandler::handleTouchEvent(LocalFrame& mainFrame, const WebTouchEvent& event)
 {
     return mainFrame.eventHandler().handleTouchEvent(PlatformTouchEventBuilder(mainFrame.view(), event));
 }
 
 }