Add some additional SMIL use counters

third_party/WebKit/Source/core/svg/animation/SVGSMILElement.cpp

Index: third_party/WebKit/Source/core/svg/animation/SVGSMILElement.cpp
diff --git a/third_party/WebKit/Source/core/svg/animation/SVGSMILElement.cpp b/third_party/WebKit/Source/core/svg/animation/SVGSMILElement.cpp
index 4a0b73756cebe5719c9df47e1d3f24ff49437a5e..16e96c95d1fb07509a384b6befcf8532ec9280fe 100644
--- a/third_party/WebKit/Source/core/svg/animation/SVGSMILElement.cpp
+++ b/third_party/WebKit/Source/core/svg/animation/SVGSMILElement.cpp
@@ -317,6 +317,8 @@ Node::InsertionNotificationRequest SVGSMILElement::insertedInto(ContainerNode* r
         return InsertionDone;
 
     Deprecation::countDeprecation(document(), UseCounter::SVGSMILElementInDocument);
+    if (document().isLoadCompleted())
+        UseCounter::count(&document(), UseCounter::SVGSMILElementInsertedAfterLoad);
 
     setAttributeName(constructQualifiedName(this, fastGetAttribute(SVGNames::attributeNameAttr)));
     SVGSVGElement* owner = ownerSVGElement();
@@ -470,14 +472,17 @@ bool SVGSMILElement::parseCondition(const String& value, BeginOrEnd beginOrEnd)
         nameString = "repeatn";
         type = Condition::EventBase;
     } else if (nameString == "begin" || nameString == "end") {
+        UseCounter::count(&document(), UseCounter::SVGSMILBeginOrEndSyncbaseValue);
         if (baseID.isEmpty())
             return false;

[shans, 2016/07/11 22:49:24]

Would it be worth counting after this point? Seems like declarations where
baseID.isEmpty() is true don't have any effect?

[suzyh_UTC10 (ex-contributor), 2016/07/13 06:04:44]

Done.

         type = Condition::Syncbase;
     } else if (nameString.startsWith("accesskey(")) {
         // FIXME: accesskey() support.
         type = Condition::AccessKey;
-    } else
+    } else {
+        UseCounter::count(&document(), UseCounter::SVGSMILBeginOrEndEventValue);

[shans, 2016/07/11 22:49:24]

Interesting that this is the catch-all condition. It means we might slightly
over-count, but that's probably OK.

         type = Condition::EventBase;
+    }
 
     m_conditions.append(Condition::create(type, beginOrEnd, baseID, nameString, offset, repeat));