Rename usesOverlayScrollbars of settings to mockScrollbarsUseOverlay

Source/core/testing/Internals.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 177 matching lines @@
 
 void Internals::resetToConsistentState(Page* page)
 {
     ASSERT(page);
 
     page->setDeviceScaleFactor(1);
     page->setPageScaleFactor(1, IntPoint(0, 0));
     page->setPagination(Pagination());
     TextRun::setAllowsRoundingHacks(false);
     WebCore::overrideUserPreferredLanguages(Vector<String>());
-    WebCore::Settings::setUsesOverlayScrollbars(false);
     delete s_pagePopupDriver;
     s_pagePopupDriver = 0;
     page->chrome().client().resetPagePopupDriver();
     if (!page->mainFrame()->editor().isContinuousSpellCheckingEnabled())
         page->mainFrame()->editor().toggleContinuousSpellChecking();
     if (page->mainFrame()->editor().isOverwriteModeEnabled())
         page->mainFrame()->editor().toggleOverwriteModeEnabled();
 }
 
 Internals::Internals(Document* document)
@@ skipping 1924 matching lines @@
     stringValue.copyTo(static_cast<UChar*>(buffer->data()), 0, stringValue.length());
     return buffer.release();
 }
 
 PassRefPtr<SerializedScriptValue> Internals::deserializeBuffer(PassRefPtr<ArrayBuffer> buffer) const
 {
     String value(static_cast<const UChar*>(buffer->data()), buffer->byteLength() / sizeof(UChar));
     return SerializedScriptValue::createFromWire(value);
 }
 
-void Internals::setUsesOverlayScrollbars(bool enabled)
-{
-    WebCore::Settings::setUsesOverlayScrollbars(enabled);
-}
-
 void Internals::forceReload(bool endToEnd)
 {
     frame()->loader()->reload(endToEnd ? EndToEndReload : NormalReload);
 }
 
 PassRefPtr<ClientRect> Internals::selectionBounds(ExceptionState& es)
 {
     Document* document = contextDocument();
     if (!document || !document->frame()) {
         es.throwDOMException(InvalidAccessError);
@@ skipping 53 matching lines @@
         return false;
     sharedContext->getExtensions()->loseContextCHROMIUM(Extensions3D::GUILTY_CONTEXT_RESET_ARB, Extensions3D::INNOCENT_CONTEXT_RESET_ARB);
     // To prevent tests that call loseSharedGraphicsContext3D from being
     // flaky, we call finish so that the context is guaranteed to be lost
     // synchronously (i.e. before returning).
     sharedContext->finish();
     return true;
 }
 
 }