[DevTools] Blink-side APIs for device metrics emulation in content.

Source/web/WebSettingsImpl.cpp

 /*
  * Copyright (C) 2009 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 304 matching lines @@
 void WebSettingsImpl::setDNSPrefetchingEnabled(bool enabled)
 {
     m_settings->setDNSPrefetchingEnabled(enabled);
 }
 
 void WebSettingsImpl::setLocalStorageEnabled(bool enabled)
 {
     m_settings->setLocalStorageEnabled(enabled);
 }
 
+void WebSettingsImpl::setMainFrameClipsContent(bool enabled)
+{
+    m_settings->setMainFrameClipsContent(enabled);
+}
+
 void WebSettingsImpl::setEditableLinkBehaviorNeverLive()
 {
     // FIXME: If you ever need more behaviors than this, then we should probably
     //        define an enum in WebSettings.h and have a switch statement that
     //        translates.  Until then, this is probably fine, though.
     m_settings->setEditableLinkBehavior(WebCore::EditableLinkNeverLive);
 }
 
 void WebSettingsImpl::setAllowUniversalAccessFromFileURLs(bool allow)
 {
@@ skipping 385 matching lines @@
 {
     m_settings->setPinchVirtualViewportEnabled(enabled);
 }
 
 void WebSettingsImpl::setUseSolidColorScrollbars(bool enabled)
 {
     m_settings->setUseSolidColorScrollbars(enabled);
 }
 
 } // namespace WebKit