Revert "Implement FullScreen using top layer."

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

Index: third_party/WebKit/Source/core/layout/LayoutVideo.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutVideo.cpp b/third_party/WebKit/Source/core/layout/LayoutVideo.cpp
index 3d1bf770ed9bd24bf657a04509023e0365032e5d..946a568f2405362d07216e8e95c27b2efd8b7345 100644
--- a/third_party/WebKit/Source/core/layout/LayoutVideo.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutVideo.cpp
@@ -29,6 +29,7 @@
 #include "core/HTMLNames.h"
 #include "core/dom/Document.h"
 #include "core/html/HTMLVideoElement.h"
+#include "core/layout/LayoutFullScreen.h"
 #include "core/paint/VideoPainter.h"
 #include "public/platform/WebLayer.h"
 
@@ -202,6 +203,47 @@ bool LayoutVideo::supportsAcceleratedRendering() const
     return !!mediaElement()->platformLayer();
 }
 
+static const LayoutBlock* layoutObjectPlaceholder(const LayoutObject* layoutObject)
+{
+    LayoutObject* parent = layoutObject->parent();
+    if (!parent)
+        return nullptr;
+
+    LayoutFullScreen* fullScreen = parent->isLayoutFullScreen() ? toLayoutFullScreen(parent) : 0;
+    if (!fullScreen)
+        return nullptr;
+
+    return fullScreen->placeholder();
+}
+
+LayoutUnit LayoutVideo::offsetLeft() const
+{
+    if (const LayoutBlock* block = layoutObjectPlaceholder(this))
+        return block->offsetLeft();
+    return LayoutMedia::offsetLeft();
+}
+
+LayoutUnit LayoutVideo::offsetTop() const
+{
+    if (const LayoutBlock* block = layoutObjectPlaceholder(this))
+        return block->offsetTop();
+    return LayoutMedia::offsetTop();
+}
+
+LayoutUnit LayoutVideo::offsetWidth() const
+{
+    if (const LayoutBlock* block = layoutObjectPlaceholder(this))
+        return block->offsetWidth();
+    return LayoutMedia::offsetWidth();
+}
+
+LayoutUnit LayoutVideo::offsetHeight() const
+{
+    if (const LayoutBlock* block = layoutObjectPlaceholder(this))
+        return block->offsetHeight();
+    return LayoutMedia::offsetHeight();
+}
+
 CompositingReasons LayoutVideo::additionalCompositingReasons() const
 {
     HTMLMediaElement* element = toHTMLMediaElement(node());