Stop using ScopedAllowIO in content::ResourceDispatcherHostImpl

net/http/http_network_transaction.h

Index: net/http/http_network_transaction.h
diff --git a/net/http/http_network_transaction.h b/net/http/http_network_transaction.h
index b3c4c47c3cf3e2495681ec75d7b89e6cf3094c42..7390e0a0d3fcd094d67cd6c8b0a7191a6b063048 100644
--- a/net/http/http_network_transaction.h
+++ b/net/http/http_network_transaction.h
@@ -28,6 +28,7 @@ class HttpAuthController;
 class HttpNetworkSession;
 class HttpStream;
 class HttpStreamRequest;
+class HttpTransactionDelegate;
 class IOBuffer;
 class UploadDataStream;
 struct HttpRequestInfo;
@@ -83,6 +84,10 @@ class NET_EXPORT_PRIVATE HttpNetworkTransaction
                                           const ProxyInfo& used_proxy_info,
                                           HttpStream* stream) OVERRIDE;
 
+  void set_delegate(HttpTransactionDelegate* delegate) {
+    delegate_ = delegate;
+  }
+
  private:
   FRIEND_TEST_ALL_PREFIXES(HttpNetworkTransactionSpdy2Test,
                            ResetStateForRestart);
@@ -294,6 +299,8 @@ class NET_EXPORT_PRIVATE HttpNetworkTransaction
   // read from the socket until the tunnel is done.
   bool establishing_tunnel_;
 
+  HttpTransactionDelegate* delegate_;
+
   DISALLOW_COPY_AND_ASSIGN(HttpNetworkTransaction);
 };