bluetooth: Remove device before dispatching event

content/renderer/bluetooth/web_bluetooth_impl.cc

Index: content/renderer/bluetooth/web_bluetooth_impl.cc
diff --git a/content/renderer/bluetooth/web_bluetooth_impl.cc b/content/renderer/bluetooth/web_bluetooth_impl.cc
index 49358d0bdb28e33e6ce5bb5a008e0586f355f699..aa864efdaed89ab1433db06cf5fcfb5c2f651d9f 100644
--- a/content/renderer/bluetooth/web_bluetooth_impl.cc
+++ b/content/renderer/bluetooth/web_bluetooth_impl.cc
@@ -183,8 +183,12 @@ void WebBluetoothImpl::OnRequestDeviceComplete(
 void WebBluetoothImpl::GattServerDisconnected(const mojo::String& device_id) {
   auto device_iter = connected_devices_.find(device_id);
   if (device_iter != connected_devices_.end()) {
-    device_iter->second->dispatchGattServerDisconnected();
+    // Remove device from the map before calling dispatchGattServerDisconnected
+    // to avoid deleting a device dispatchGattServerDisconnected might have

[Jeffrey Yasskin, 2016/06/18 05:00:14]

s/deleting/removing/, s/added/re-connected/, and
s/dispatchGattServerDisconnected/the gattserverdisconnected event handler/, I
think.

[ortuno, 2016/06/18 20:01:20]

Done.

+    // added.
+    blink::WebBluetoothDevice* device = device_iter->second;
     connected_devices_.erase(device_iter);
+    device->dispatchGattServerDisconnected();
   }
 }