Move Document global rule data to CSSGlobalRuleSet.

third_party/WebKit/Source/core/dom/Fullscreen.cpp

Index: third_party/WebKit/Source/core/dom/Fullscreen.cpp
diff --git a/third_party/WebKit/Source/core/dom/Fullscreen.cpp b/third_party/WebKit/Source/core/dom/Fullscreen.cpp
index 3af5bce3b328fba96c0bd0a67ceb0bf6998223a2..d2b578bd2e202791fe7074d4b1ef0c7d201a997e 100644
--- a/third_party/WebKit/Source/core/dom/Fullscreen.cpp
+++ b/third_party/WebKit/Source/core/dom/Fullscreen.cpp
@@ -596,7 +596,7 @@ void Fullscreen::didEnterFullscreenForElement(Element* element) {
   m_currentFullScreenElement
       ->setContainsFullScreenElementOnAncestorsCrossingFrameBoundaries(true);
 
-  document()->styleEngine().ensureFullscreenUAStyle();
+  document()->styleEngine().ensureUAStyleForFullscreen();
   m_currentFullScreenElement->pseudoStateChanged(CSSSelector::PseudoFullScreen);
 
   // FIXME: This should not call updateStyleAndLayoutTree.
@@ -628,7 +628,7 @@ void Fullscreen::didExitFullscreen() {
   if (m_fullScreenLayoutObject)
     LayoutFullScreenItem(m_fullScreenLayoutObject).unwrapLayoutObject();
 
-  document()->styleEngine().ensureFullscreenUAStyle();
+  document()->styleEngine().ensureUAStyleForFullscreen();
   m_currentFullScreenElement->pseudoStateChanged(CSSSelector::PseudoFullScreen);
   m_currentFullScreenElement = nullptr;