Move fail on suspend logic from URLRequestJob to TcpClientSocket.

net/socket/stream_socket.h

Index: net/socket/stream_socket.h
diff --git a/net/socket/stream_socket.h b/net/socket/stream_socket.h
index 4ed735af04fd3ce8da1d312960971482003e88d7..99184ed8a1bf5ed9776d26a9d0e74e2f69c7372a 100644
--- a/net/socket/stream_socket.h
+++ b/net/socket/stream_socket.h
@@ -111,6 +111,19 @@ class NET_EXPORT_PRIVATE StreamSocket : public Socket {
   // Disconnect() is called.
   virtual int64_t GetTotalReceivedBytes() const = 0;
 
+  // Sets whether the socket should treat entering suspend mode as an error, and
+  // return ERR_NETWORK_SUSPENDED if it happens. Defaults to false.
+  //
+  // This is useful because entering suspend mode tends to kill all sockets
+  // connected to remote systems.  See https://crbug.com/4606).

[Bence, 2016/10/27 13:04:29]

Unmatched ')'.

+  //
+  // This is a hint only, subclasses are free to ignore this flag (And currently
+  // do - it's only respected when set directly on a TcpClientSocket).
+  //
+  // TODO(mmenke):  Should this be done on all TCP sockets? On all non-localhost
+  // TCP sockets?
+  virtual void SetFailOnSuspend(bool disconnect_on_suspend);
+
  protected:
   // The following class is only used to gather statistics about the history of
   // a socket.  It is only instantiated and used in basic sockets, such as