Webkit setting for embedders that do not support fullscreen.

Source/web/WebSettingsImpl.cpp

Index: Source/web/WebSettingsImpl.cpp
diff --git a/Source/web/WebSettingsImpl.cpp b/Source/web/WebSettingsImpl.cpp
index 07803b4746f24e260fddb01a3f572a4368f8f76e..d6db0e83f94739b5f150ace8c1e02c10188ba0b2 100644
--- a/Source/web/WebSettingsImpl.cpp
+++ b/Source/web/WebSettingsImpl.cpp
@@ -74,6 +74,11 @@ void WebSettingsImpl::setFixedFontFamily(const WebString& font, UScriptCode scri
         m_settings->notifyGenericFontFamilyChange();
 }
 
+void WebSettingsImpl::setFullscreenEnabled(bool enabled)
+{
+    m_fullscreenEnabled = enabled;
+}
+
 void WebSettingsImpl::setSerifFontFamily(const WebString& font, UScriptCode script)
 {
     if (m_settings->genericFontFamilySettings().updateSerif(font, script))