Ensure that WebRTC AEC recording checkbox is not set if cancelling file dialog.

content/browser/media/webrtc_internals.cc

 // Copyright (c) 2013 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 "content/browser/media/webrtc_internals.h"
 
 #include "base/command_line.h"
 #include "content/browser/media/webrtc_internals_ui_observer.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
@@ skipping 271 matching lines @@
 
 void WebRTCInternals::FileSelected(const base::FilePath& path,
                                    int /* unused_index */,
                                    void* /*unused_params */) {
 #if defined(ENABLE_WEBRTC)
   aec_dump_file_path_ = path;
   EnableAecDumpOnAllRenderProcessHosts();
 #endif
 }
 
+void WebRTCInternals::FileSelectionCanceled(void* params) {
+#if defined(ENABLE_WEBRTC)
+  SendUpdate("aecRecordingFileSelectionCancelled", NULL);
+#endif
+}
+
 void WebRTCInternals::OnRendererExit(int render_process_id) {
   // Iterates from the end of the list to remove the PeerConnections created
   // by the exitting renderer.
   for (int i = peer_connection_data_.GetSize() - 1; i >= 0; --i) {
     base::DictionaryValue* record = NULL;
     peer_connection_data_.GetDictionary(i, &record);
 
     int this_rid = 0;
     record->GetInteger("rid", &this_rid);
 
@@ skipping 40 matching lines @@
   aec_dump_enabled_ = true;
   for (RenderProcessHost::iterator i(
            content::RenderProcessHost::AllHostsIterator());
        !i.IsAtEnd(); i.Advance()) {
     i.GetCurrentValue()->EnableAecDump(aec_dump_file_path_);
   }
 }
 #endif
 
 }  // namespace content