Try https proxy for websocket connection.

net/socket_stream/socket_stream.cc

Index: net/socket_stream/socket_stream.cc
diff --git a/net/socket_stream/socket_stream.cc b/net/socket_stream/socket_stream.cc
index 7227fe900e16566ef8c7726c250e9f215c10d169..5d89416ca834c2b6ed5f613f22c5e84281f261cc 100644
--- a/net/socket_stream/socket_stream.cc
+++ b/net/socket_stream/socket_stream.cc
@@ -47,6 +47,7 @@ SocketStream::SocketStream(const GURL& url, Delegate* delegate)
       next_state_(STATE_NONE),
       factory_(ClientSocketFactory::GetDefaultFactory()),
       proxy_mode_(kDirectConnection),
+      proxy_url_(url),
       pac_request_(NULL),
       ALLOW_THIS_IN_INITIALIZER_LIST(
           io_callback_(this, &SocketStream::OnIOCompleted)),
@@ -414,7 +415,7 @@ int SocketStream::DoResolveProxy() {
   next_state_ = STATE_RESOLVE_PROXY_COMPLETE;
 
   return proxy_service()->ResolveProxy(
-      url_, &proxy_info_, &io_callback_, &pac_request_, load_log_);
+      proxy_url_, &proxy_info_, &io_callback_, &pac_request_, load_log_);
 }
 
 int SocketStream::DoResolveProxyComplete(int result) {
@@ -427,6 +428,20 @@ int SocketStream::DoResolveProxyComplete(int result) {
       delegate_->OnError(this, result);
     proxy_info_.UseDirect();
   }
+  if (proxy_info_.is_direct()) {
+    // If proxy was not found for original URL (ie. websocket URL),

[tyoshino (SeeGerritForStatus), 2009/11/16 07:33:49]

i.e.

+    // try again with https URL, like Safari implementation.
+    // Note that we don't want to use http proxy, because we'll use tunnel
+    // proxy using CONNECT method, which is used by https proxy.
+    if (!proxy_url_.SchemeIs("https")) {
+      GURL::Replacements repl;
+      repl.SetSchemeStr("https");
+      proxy_url_ = url_.ReplaceComponents(repl);
+      DLOG(INFO) << "Try https proxy: " << proxy_url_;
+      next_state_ = STATE_RESOLVE_PROXY;
+      return OK;
+    }
+  }
 
   return OK;
 }