Merge FrameView and ScrollView.

Source/core/page/EventHandler.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2012 Digia Plc. and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 561 matching lines @@
 {
     TRACE_EVENT0("blink", "EventHandler::handleMousePressEvent");
 
     // Reset drag state.
     dragState().m_dragSrc = nullptr;
 
     cancelFakeMouseMoveEvent();
 
     m_frame->document()->updateLayoutIgnorePendingStylesheets();
 
-    if (ScrollView* scrollView = m_frame->view()) {
+    if (FrameView* scrollView = m_frame->view()) {
         if (scrollView->isPointInScrollbarCorner(event.event().position()))
             return false;
     }
 
     bool singleClick = event.event().clickCount() <= 1;
 
     // If we got the event back, that must mean it wasn't prevented,
     // so it's allowed to start a drag or selection if it wasn't in a scrollbar.
     m_mouseDownMayStartSelect = canMouseDownStartSelect(event.innerNode()) && !event.scrollbar();
 
@@ skipping 3293 matching lines @@
 unsigned EventHandler::accessKeyModifiers()
 {
 #if OS(MACOSX)
     return PlatformEvent::CtrlKey | PlatformEvent::AltKey;
 #else
     return PlatformEvent::AltKey;
 #endif
 }
 
 } // namespace blink