net: Make Snap Start check cert verification and add metrics

This CL causes Snap Start to only trigger if the certificate
verification has completed by the time we are ready to send out the
handshake message.

It also adds a couple of NetLog entries and histograms around the Snap
Start code.

BUG=none
TEST=none

http://codereview.chromium.org/4408001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@64986 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 6 insertions, 0 deletions

diff --git a/net/socket/ssl_host_info.h b/net/socket/ssl_host_info.h
index f919281..5f515fb 100644
--- a/net/socket/ssl_host_info.h
+++ b/net/socket/ssl_host_info.h
@@ -10,6 +10,7 @@
 
 #include "base/ref_counted.h"
 #include "base/scoped_ptr.h"
+#include "base/time.h"
 #include "net/base/cert_verify_result.h"
 #include "net/base/completion_callback.h"
 #include "net/socket/ssl_client_socket.h"
@@ -89,6 +90,10 @@ class SSLHostInfo {
   // verification.
   int WaitForCertVerification(CompletionCallback* callback);
 
+  base::TimeTicks verification_start_time() const {
+    return verification_start_time_;
+  }
+
  protected:
   // Parse parses an opaque blob of data and fills out the public member fields
   // of this object. It returns true iff the parse was successful. The public
@@ -110,6 +115,7 @@ class SSLHostInfo {
   // These two members are taken from the SSLConfig.
   bool rev_checking_enabled_;
   bool verify_ev_cert_;
+  base::TimeTicks verification_start_time_;
   CertVerifyResult cert_verify_result_;
   scoped_ptr<CertVerifier> verifier_;
   scoped_refptr<X509Certificate> cert_;