Checks to see if the position is valid before OnLocationUpdate call.

blimp/client/core/geolocation/geolocation_feature.cc

 // Copyright 2016 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 "blimp/client/core/geolocation/geolocation_feature.h"
 
 #include <memory>
 #include <string>
 #include <utility>
 
@@ skipping 126 matching lines @@
 
   am_sending_message_ = true;
   outgoing_message_processor_->ProcessMessage(
       std::move(blimp_message),
       base::Bind(&GeolocationFeature::OnSendComplete, base::Unretained(this)));
 }
 
 void GeolocationFeature::OnSendComplete(int result) {
   am_sending_message_ = false;
   if (need_to_send_message_) {
+    device::Geoposition new_position = location_provider_->GetPosition();
+    if (new_position.Validate()) {
+      OnLocationUpdate(location_provider_.get(), new_position);
+    }
     need_to_send_message_ = false;
-    OnLocationUpdate(location_provider_.get(),
-                     location_provider_->GetPosition());
   }
 }
 
 }  // namespace client
 }  // namespace blimp