Revert "Implement FullScreen using top layer."

third_party/WebKit/Source/core/layout/LayoutInline.cpp

Index: third_party/WebKit/Source/core/layout/LayoutInline.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutInline.cpp b/third_party/WebKit/Source/core/layout/LayoutInline.cpp
index 32e03507e569839e68513917dcfea8884d5890de..4ca3a45abb98e55807461fa05306bd60d406e460 100644
--- a/third_party/WebKit/Source/core/layout/LayoutInline.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutInline.cpp
@@ -28,6 +28,7 @@
 #include "core/layout/HitTestResult.h"
 #include "core/layout/LayoutBlock.h"
 #include "core/layout/LayoutFlowThread.h"
+#include "core/layout/LayoutFullScreen.h"
 #include "core/layout/LayoutGeometryMap.h"
 #include "core/layout/LayoutTheme.h"
 #include "core/layout/LayoutView.h"
@@ -350,6 +351,17 @@ void LayoutInline::splitInlines(LayoutBlock* fromBlock, LayoutBlock* toBlock,
 {
     ASSERT(isDescendantOf(fromBlock));
 
+    // If we're splitting the inline containing the fullscreened element,
+    // |beforeChild| may be the layoutObject for the fullscreened element. However,
+    // that layoutObject is wrapped in a LayoutFullScreen, so |this| is not its
+    // parent. Since the splitting logic expects |this| to be the parent, set
+    // |beforeChild| to be the LayoutFullScreen.
+    if (Fullscreen* fullscreen = Fullscreen::fromIfExists(document())) {
+        const Element* fullScreenElement = fullscreen->webkitCurrentFullScreenElement();
+        if (fullScreenElement && beforeChild && beforeChild->node() == fullScreenElement)
+            beforeChild = fullscreen->fullScreenLayoutObject();
+    }
+
     // FIXME: Because splitting is O(n^2) as tags nest pathologically, we cap the depth at which we're willing to clone.
     // There will eventually be a better approach to this problem that will let us nest to a much
     // greater depth (see bugzilla bug 13430) but for now we have a limit.  This *will* result in