Add UseCounters for display:run-in and display:compact.

Source/core/rendering/RenderObject.cpp

Index: Source/core/rendering/RenderObject.cpp
diff --git a/Source/core/rendering/RenderObject.cpp b/Source/core/rendering/RenderObject.cpp
index 376a739140520cab245ee520d644e3c46b0efdc8..0f8862f476291f85fbd8e0d09d616a90905591bd 100644
--- a/Source/core/rendering/RenderObject.cpp
+++ b/Source/core/rendering/RenderObject.cpp
@@ -43,6 +43,7 @@
 #include "core/page/FrameView.h"
 #include "core/page/Page.h"
 #include "core/page/Settings.h"
+#include "core/page/UseCounter.h"
 #include "core/page/animation/AnimationController.h"
 #include "core/platform/graphics/FloatQuad.h"
 #include "core/platform/graphics/GraphicsContext.h"
@@ -174,10 +175,14 @@ RenderObject* RenderObject::createObject(Element* element, RenderStyle* style)
         return 0;
     case INLINE:
         return new (arena) RenderInline(element);
-    case BLOCK:
-    case INLINE_BLOCK:
     case RUN_IN:
+        UseCounter::count(doc, UseCounter::Feature::CSSDisplayRunIn);
+        // Intentionally fall through.
     case COMPACT:
+        UseCounter::count(doc, UseCounter::Feature::CSSDisplayCompact);

[eseidel, 2013/07/31 16:47:02]

Do you really want to count run-in as compact?

[ojan, 2013/07/31 17:20:10]

lol. whoops.

+        // Intentionally fall through.
+    case BLOCK:
+    case INLINE_BLOCK:
         if ((!style->hasAutoColumnCount() || !style->hasAutoColumnWidth()) && doc->regionBasedColumnsEnabled())
             return new (arena) RenderMultiColumnBlock(element);
         return new (arena) RenderBlock(element);