Add Socket::ReadIfReady()

net/socket/socket_bio_adapter.h

Index: net/socket/socket_bio_adapter.h
diff --git a/net/socket/socket_bio_adapter.h b/net/socket/socket_bio_adapter.h
index 235917a0891e94dbd9c0c278ea0ef879455ad2c7..f15c90c0178cb39cd19f62190a9cb8737f80d7de 100644
--- a/net/socket/socket_bio_adapter.h
+++ b/net/socket/socket_bio_adapter.h
@@ -53,12 +53,12 @@ class NET_EXPORT_PRIVATE SocketBIOAdapter {
   class Delegate {
    public:
     // Called when the BIO is ready to handle BIO_read, after having previously
-    // been blocked.
-    virtual void OnReadReady() = 0;
+    // been blocked. |rv| is an error code if an error occurred or OK.
+    virtual void OnReadReady(int rv) = 0;
 
     // Called when the BIO is ready to handle BIO_write, after having previously
-    // been blocked.
-    virtual void OnWriteReady() = 0;
+    // been blocked. |rv| is an error code if an error occurred or OK.
+    virtual void OnWriteReady(int rv) = 0;
 
    protected:
     virtual ~Delegate() {}
@@ -85,12 +85,13 @@ class NET_EXPORT_PRIVATE SocketBIOAdapter {
   int BIORead(char* out, int len);
   void HandleSocketReadResult(int result);
   void OnSocketReadComplete(int result);
+  void OnSocketReadIfReadyComplete(int result);
 
   int BIOWrite(const char* in, int len);
   void SocketWrite();
   void HandleSocketWriteResult(int result);
   void OnSocketWriteComplete(int result);
-  void CallOnReadReady();
+  void CallOnReadReady(int rv);
 
   static SocketBIOAdapter* GetAdapter(BIO* bio);
   static int BIOReadWrapper(BIO* bio, char* out, int len);