Create a path to deliver SocketStream errors to the renderer.

chrome/common/render_messages_internal.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "build/build_config.h"
@@ skipping 916 matching lines @@
 // |amount_sent| bytes of data requested by
 // ViewHostMsg_SocketStream_SendData has been sent on the Socket Stream.
 IPC_MESSAGE_CONTROL2(ViewMsg_SocketStream_SentData,
                      int /* socket_id */,
                      int /* amount_sent */)
 
 // The Socket Stream is closed.
 IPC_MESSAGE_CONTROL1(ViewMsg_SocketStream_Closed,
                      int /* socket_id */)
 
+// Report socket stream error.
+// |error| is a number defined in net/base/net_error_list.h.
+IPC_MESSAGE_CONTROL2(ViewMsg_SocketStream_Error,
+                     int /* socket_id */,
+                     int /* error */)
+
 // SpellChecker messages.
 
 // Passes some initialization params to the renderer's spellchecker. This can
 // be called directly after startup or in (async) response to a
 // RequestDictionary ViewHost message.
 IPC_MESSAGE_CONTROL4(ViewMsg_SpellChecker_Init,
                      IPC::PlatformFileForTransit /* bdict_file */,
                      std::vector<std::string> /* custom_dict_words */,
                      std::string /* language */,
                      bool /* auto spell correct */)
@@ skipping 1574 matching lines @@
 // The currently displayed PDF has an unsupported feature.
 IPC_MESSAGE_ROUTED0(ViewHostMsg_PDFHasUnsupportedFeature)
 
 // JavaScript related messages -----------------------------------------------
 
 // Notify the JavaScript engine in the render to change its parameters
 // while performing stress testing.
 IPC_MESSAGE_ROUTED2(ViewMsg_JavaScriptStressTestControl,
                     int /* cmd */,
                     int /* param */)