Add GetUserMedia ETLD+1 rappor metrics.

third_party/WebKit/Source/core/frame/HostsUsingFeatures.h

Index: third_party/WebKit/Source/core/frame/HostsUsingFeatures.h
diff --git a/third_party/WebKit/Source/core/frame/HostsUsingFeatures.h b/third_party/WebKit/Source/core/frame/HostsUsingFeatures.h
index 7abe773a04536066cef7a85b4eefdab3dad3d309..a15ca5790d518d8ff981171c4e7583912ae52922 100644
--- a/third_party/WebKit/Source/core/frame/HostsUsingFeatures.h
+++ b/third_party/WebKit/Source/core/frame/HostsUsingFeatures.h
@@ -16,6 +16,7 @@ namespace blink {
 
 class Document;
 class EventTarget;
+class KURL;
 class ScriptState;
 
 class CORE_EXPORT HostsUsingFeatures {
@@ -37,6 +38,8 @@ public:
         ElementAttachShadow,
         ApplicationCacheManifestSelectInsecureHost,
         ApplicationCacheAPIInsecureHost,
+        GetUserMediaInsecureETLDPlus1,
+        GetUserMediaSecureETLDPlus1,
 
         NumberOfFeatures // This must be the last item.
     };
@@ -60,7 +63,7 @@ public:
         bool get(Feature feature) const { return m_countBits & (1 << static_cast<unsigned>(feature)); }
 
         void aggregate(Value);
-        void recordHostToRappor(const String& host);
+        void recordURLToRappor(const KURL&);
         void recordNameToRappor(const String& name);
 
     private:
@@ -72,10 +75,10 @@ public:
     void clear();
 
 private:
-    void recordHostToRappor();
+    void recordURLToRappor();
     void recordNamesToRappor();
 
-    Vector<std::pair<String, HostsUsingFeatures::Value>, 1> m_hostAndValues;
+    Vector<std::pair<String, HostsUsingFeatures::Value>, 1> m_urlAndValues;

[jww, 2016/06/11 18:43:21]

nit: Why store the serialized URL and not just the KURL, especially since you
just rebuild the KURL later?

[Guido Urdaneta, 2016/06/12 11:06:22]

Done.

     HashMap<String, HostsUsingFeatures::Value> m_valueByName;
 };