Roll Chrome into Mojo.

net/quic/quic_http_stream.cc

Index: net/quic/quic_http_stream.cc
diff --git a/net/quic/quic_http_stream.cc b/net/quic/quic_http_stream.cc
index 4f8e4e4b84175f063735351a1fe07c56fa5fcbe5..b22fb93300b7780d895bdf2a88c8e9fa5e0d9fee 100644
--- a/net/quic/quic_http_stream.cc
+++ b/net/quic/quic_http_stream.cc
@@ -108,7 +108,18 @@ int QuicHttpStream::SendRequest(const HttpRequestHeaders& request_headers,
   CHECK(!callback.is_null());
   CHECK(response);
 
-   if (!stream_) {
+  // TODO(rch): remove this once we figure out why channel ID is not being
+  // sent when it should be.
+  HostPortPair origin = HostPortPair::FromURL(request_info_->url);
+  if (origin.Equals(HostPortPair("accounts.google.com", 443))) {
+    SSLInfo ssl_info;
+    bool secure_session =
+        session_->GetSSLInfo(&ssl_info) && ssl_info.cert.get();
+    DCHECK(secure_session);
+    UMA_HISTOGRAM_BOOLEAN("Net.QuicSession.CookieSentToAccountsOverChannelId",
+                          ssl_info.channel_id_sent);
+  }
+  if (!stream_) {
     return ERR_CONNECTION_CLOSED;
   }