Adds socket.getInfo to the socket API

chrome/common/extensions/api/experimental_socket.idl

Index: chrome/common/extensions/api/experimental_socket.idl
diff --git a/chrome/common/extensions/api/experimental_socket.idl b/chrome/common/extensions/api/experimental_socket.idl
index e405b48f28990623e0db120b711509439d4e3f74..fb302802e4d56309739849905fdc9fdb6f5c6a3a 100644
--- a/chrome/common/extensions/api/experimental_socket.idl
+++ b/chrome/common/extensions/api/experimental_socket.idl
@@ -56,6 +56,27 @@ namespace experimental.socket {
     long port;
   };
 
+  dictionary SocketInfo {
+    // The type of the passed socket. This will be <code>tcp</code> or
+    // <code>udp</code>.
+    SocketType socketType;
+
+    // Whether this socket is currently connected.

[thorogood, 2012/07/27 03:46:50]

Ben, I've updated the comment here. I still think this value holds some utility,
because devs are still going to call connect()/disconnect() as normal and they
may want to know what state the socket thinks it is in.

However I suspect it's still contrived. Thoughts?

+    boolean connected;
+
+    // If this socket is connected, contains the IPv4/6 address of the peer.
+    DOMString? peerAddress;
+
+    // If this socket is connected, contains the port of the connected peer.
+    long? peerPort;
+
+    // If this socket is bound or connected, contains its local IPv4/6 address.
+    DOMString? localAddress;
+
+    // If this socket is bound or connected, contains its local port.
+    long? localPort;
+  };
+
   callback RecvFromCallback = void (RecvFromInfo recvFromInfo);
 
   callback SendToCallback = void (WriteInfo writeInfo);
@@ -64,6 +85,8 @@ namespace experimental.socket {
 
   callback SetNoDelayCallback = void (boolean result);
 
+  callback GetInfoCallback = void (SocketInfo result);
+
   interface Functions {
     // Creates a socket of the specified type that will connect to the specified
     // remote machine.
@@ -162,6 +185,12 @@ namespace experimental.socket {
     static void setNoDelay(long socketId,
                            boolean noDelay,
                            SetNoDelayCallback callback);
+
+    // Retrieve the state of the given socket.
+    // |socketId| : The socketId.
+    // |callback| : Called when the state is available.
+    static void getInfo(long socketId,
+                        GetInfoCallback callback);
   };
 
 };