Merge "Count usage of PROGRESS element with -webkit-appearance:none." to M51

third_party/WebKit/Source/core/html/HTMLProgressElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLProgressElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLProgressElement.cpp b/third_party/WebKit/Source/core/html/HTMLProgressElement.cpp
index 34d120b1fdbd0c54d21d30dceb5bf79ed4210d1a..24f40e00b0dacbc554d60be8fa326b5787c94dcd 100644
--- a/third_party/WebKit/Source/core/html/HTMLProgressElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLProgressElement.cpp
@@ -59,8 +59,11 @@ RawPtr<HTMLProgressElement> HTMLProgressElement::create(Document& document)
 
 LayoutObject* HTMLProgressElement::createLayoutObject(const ComputedStyle& style)
 {
-    if (!style.hasAppearance() || openShadowRoot())
+    if (!style.hasAppearance()) {
+        UseCounter::count(document(), UseCounter::ProgressElementWithNoneAppearance);
         return LayoutObject::createObject(this, style);
+    }
+    UseCounter::count(document(), UseCounter::ProgressElementWithProgressBarAppearance);
     return new LayoutProgress(this);
 }