Gather preconnection use vs waste statistics

I now gather statistics only in the transport socket
classes TcpClientSocket*.  All other socket classes
forward significant data (that they are used in
a speculation) to their transport class, where
this data is stored, and then dumped when the
TCP socket is closed.

This CL also repaired a slight miscount in bytes
read and written on Windows, as error codes
were mistakenly accumulated as byte counts.

This CL repaired a significant undercounting 
in linux/mac via StatsCounter (the logging counter
appears correct).

Libjingle support is minimal (NOTREACHED), but
I don't know that there are subresources that will
be speculatively preconnected from that class (and
it is less obvious how the class uses underlying
sockets, if at all).

BUG=42694
r=willchan
Review URL: http://codereview.chromium.org/3163033

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@57377 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 10 insertions, 0 deletions

diff --git a/jingle/notifier/communicator/ssl_socket_adapter.cc b/jingle/notifier/communicator/ssl_socket_adapter.cc
index 713ea6e..8cc135d 100644
--- a/jingle/notifier/communicator/ssl_socket_adapter.cc
+++ b/jingle/notifier/communicator/ssl_socket_adapter.cc
@@ -262,6 +262,14 @@ int TransportSocket::GetPeerAddress(net::AddressList* address) const {
   return net::OK;
 }
 
+void TransportSocket::SetSubresourceSpeculation() {
+  NOTREACHED();
+}
+
+void TransportSocket::SetOmniboxSpeculation() {
+  NOTREACHED();
+}
+
 int TransportSocket::Read(net::IOBuffer* buf, int buf_len,
                           net::CompletionCallback* callback) {
   DCHECK(buf);
diff --git a/jingle/notifier/communicator/ssl_socket_adapter.h b/jingle/notifier/communicator/ssl_socket_adapter.h
index 574e135..a5f5e9a 100644
--- a/jingle/notifier/communicator/ssl_socket_adapter.h
+++ b/jingle/notifier/communicator/ssl_socket_adapter.h
@@ -42,6 +42,8 @@ class TransportSocket : public net::ClientSocket, public sigslot::has_slots<> {
   virtual bool IsConnectedAndIdle() const;
   virtual int GetPeerAddress(net::AddressList* address) const;
   virtual const net::BoundNetLog& NetLog() const { return net_log_; }
+  virtual void SetSubresourceSpeculation();
+  virtual void SetOmniboxSpeculation();
 
   // net::Socket implementation