Merge "Add more UseCounters for -webkit-appearance:button and -webkit-appearance:textfield." to M53.

third_party/WebKit/Source/core/paint/ThemePainter.cpp

Index: third_party/WebKit/Source/core/paint/ThemePainter.cpp
diff --git a/third_party/WebKit/Source/core/paint/ThemePainter.cpp b/third_party/WebKit/Source/core/paint/ThemePainter.cpp
index 432bb4ea33f5af0dd35e3ba9760a02e877720705..89fd9dd692f8b009c2c98835f656118fb3e612e7 100644
--- a/third_party/WebKit/Source/core/paint/ThemePainter.cpp
+++ b/third_party/WebKit/Source/core/paint/ThemePainter.cpp
@@ -23,6 +23,7 @@
 
 #include "core/InputTypeNames.h"
 #include "core/frame/FrameView.h"
+#include "core/frame/UseCounter.h"
 #include "core/html/HTMLDataListElement.h"
 #include "core/html/HTMLDataListOptionsCollection.h"
 #include "core/html/HTMLInputElement.h"
@@ -67,6 +68,19 @@ bool ThemePainter::paint(const LayoutObject& o, const PaintInfo& paintInfo, cons
     if (LayoutTheme::theme().shouldUseFallbackTheme(o.styleRef()))
         return paintUsingFallbackTheme(o, paintInfo, r);
 
+    if (part == ButtonPart && o.node()) {
+        UseCounter::count(o.document(), UseCounter::CSSValueAppearanceButtonRendered);
+        if (isHTMLAnchorElement(o.node())) {
+            UseCounter::count(o.document(), UseCounter::CSSValueAppearanceButtonForAnchor);
+        } else if (isHTMLButtonElement(o.node())) {
+            UseCounter::count(o.document(), UseCounter::CSSValueAppearanceButtonForButton);
+        } else if (isHTMLInputElement(o.node()) && toHTMLInputElement(o.node())->isTextButton()) {
+            // Text buttons (type=button, reset, submit) has
+            // -webkit-appearance:push-button by default.
+            UseCounter::count(o.node()->document(), UseCounter::CSSValueAppearanceButtonForOtherButtons);
+        }
+    }
+
     if (m_platformTheme) {
         switch (part) {
         case CheckboxPart:
@@ -162,6 +176,14 @@ bool ThemePainter::paintBorderOnly(const LayoutObject& o, const PaintInfo& paint
     // Call the appropriate paint method based off the appearance value.
     switch (o.styleRef().appearance()) {
     case TextFieldPart:
+        UseCounter::count(o.document(), UseCounter::CSSValueAppearanceTextFieldRendered);
+        if (isHTMLInputElement(o.node())) {
+            HTMLInputElement* input = toHTMLInputElement(o.node());
+            if (input->type() == InputTypeNames::search)
+                UseCounter::count(o.document(), UseCounter::CSSValueAppearanceTextFieldForSearch);
+            else if (input->isTextField())
+                UseCounter::count(o.document(), UseCounter::CSSValueAppearanceTextFieldForTextField);
+        }
         return paintTextField(o, paintInfo, r);
     case TextAreaPart:
         return paintTextArea(o, paintInfo, r);