SVG: Use counters for SMIL methods on animation elements

third_party/WebKit/Source/core/svg/SVGAnimationElement.cpp

Index: third_party/WebKit/Source/core/svg/SVGAnimationElement.cpp
diff --git a/third_party/WebKit/Source/core/svg/SVGAnimationElement.cpp b/third_party/WebKit/Source/core/svg/SVGAnimationElement.cpp
index 08df54b3caadea6ab5b8d99a7f12821107baa6af..0db222f04de0d196c7177082ad41d6c8c5e1f088 100644
--- a/third_party/WebKit/Source/core/svg/SVGAnimationElement.cpp
+++ b/third_party/WebKit/Source/core/svg/SVGAnimationElement.cpp
@@ -239,6 +239,7 @@ void SVGAnimationElement::animationAttributeChanged()
 
 float SVGAnimationElement::getStartTime(ExceptionState& exceptionState) const
 {
+    UseCounter::count(document(), UseCounter::SVGSMILAnimationElementTiming);

[kouhei (in TOK), 2016/08/15 03:34:45]

If you intend to only measure JS callers, you can use
[MeasureAs=SVGSMILAnimationElementTiming] IDL attribute to autogen these.

[Eric Willigers, 2016/08/15 04:31:49]

Done.

     SMILTime startTime = intervalBegin();
     if (!startTime.isFinite()) {
         exceptionState.throwDOMException(InvalidStateError, "No current interval.");
@@ -249,11 +250,13 @@ float SVGAnimationElement::getStartTime(ExceptionState& exceptionState) const
 
 float SVGAnimationElement::getCurrentTime() const
 {
+    UseCounter::count(document(), UseCounter::SVGSMILAnimationElementTiming);
     return narrowPrecisionToFloat(elapsed().value());
 }
 
 float SVGAnimationElement::getSimpleDuration(ExceptionState& exceptionState) const
 {
+    UseCounter::count(document(), UseCounter::SVGSMILAnimationElementTiming);
     SMILTime duration = simpleDuration();
     if (!duration.isFinite()) {
         exceptionState.throwDOMException(NotSupportedError, "No simple duration defined.");
@@ -270,6 +273,7 @@ void SVGAnimationElement::beginElement()
 void SVGAnimationElement::beginElementAt(float offset)
 {
     ASSERT(std::isfinite(offset));
+    UseCounter::count(document(), UseCounter::SVGSMILBeginEndAnimationElement);
     SMILTime elapsed = this->elapsed();
     addBeginTime(elapsed, elapsed + offset, SMILTimeWithOrigin::ScriptOrigin);
 }
@@ -282,6 +286,7 @@ void SVGAnimationElement::endElement()
 void SVGAnimationElement::endElementAt(float offset)
 {
     ASSERT(std::isfinite(offset));
+    UseCounter::count(document(), UseCounter::SVGSMILBeginEndAnimationElement);
     SMILTime elapsed = this->elapsed();
     addEndTime(elapsed, elapsed + offset, SMILTimeWithOrigin::ScriptOrigin);
 }