tools/metrics/histograms/histograms.xml

Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index 112916068a510964b410fe34c4a34b5e3e5b0961..85598fcf2124533125813162c681919a8b87b79b 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -31069,6 +31069,9 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
 </histogram>
 
 <histogram name="Net.SSLServerKeyExchangeHash" enum="SSLHashAlgorithm">
+  <obsolete>
+    Replaced by Net.SSLSignatureAlgorithm.
+  </obsolete>
   <owner>davidben@chromium.org</owner>
   <summary>
     For each SSL connection with a full handshake using a DHE- or ECDHE-based
@@ -31088,6 +31091,15 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="Net.SSLSignatureAlgorithm" enum="SSLSignatureAlgorithm">
+  <summary>
+    For each SSL connection with a full handshake using a DHE- or ECDHE-based
+    key exchange, the signature algorithm used to authenticate the peer. In TLS
+    1.2, this is the signature on the ServerKeyExchange message. (Note: Although
+    the ECDSA values specify a curve, the curve is only enforced in TLS 1.3.)
+  </summary>
+</histogram>
+
 <histogram name="Net.SSLv3FallbackToRenegoPatchedServer"
     enum="TLSRenegotiationPatched">
   <obsolete>
@@ -90353,6 +90365,9 @@ To add a new entry, add it with any value and run test to compute valid value.
 </enum>
 
 <enum name="SSLHashAlgorithm" type="int">
+  <obsolete>
+    Removed June 2016.
+  </obsolete>
   <int value="0" label="None (unused)"/>
   <int value="1" label="MD5"/>
   <int value="2" label="SHA-1"/>
@@ -90458,6 +90473,17 @@ To add a new entry, add it with any value and run test to compute valid value.
       label="Displayed clock interstitial. (DISPLAYED_CLOCK_INTERSTITIAL)"/>
 </enum>
 
+<enum name="SSLSignatureAlgorithm" type="int">
+  <int value="513" label="rsa_pkcs1_sha1"/>
+  <int value="515" label="ecdsa_sha1"/>
+  <int value="1025" label="rsa_pkcs1_sha256"/>
+  <int value="1027" label="ecdsa_secp256r1_sha256"/>
+  <int value="1281" label="rsa_pkcs1_sha384"/>
+  <int value="1283" label="ecdsa_secp384r1_sha384"/>
+  <int value="1537" label="rsa_pkcs1_sha512"/>
+  <int value="1539" label="ecdsa_secp521r1_sha512"/>
+</enum>
+
 <enum name="StarsLaunchLocation" type="int">
   <int value="0" label="All Items"/>
   <int value="1" label="Uncategorized"/>