Add functions to let tests read and control the Bluetooth chooser state.

content/shell/renderer/layout_test/blink_test_runner.cc

Index: content/shell/renderer/layout_test/blink_test_runner.cc
diff --git a/content/shell/renderer/layout_test/blink_test_runner.cc b/content/shell/renderer/layout_test/blink_test_runner.cc
index 45d8b7f22ba5bffcfd13289f47ab922e8b161135..a4230e986f31da2859fe3e368137f9637f3010e2 100644
--- a/content/shell/renderer/layout_test/blink_test_runner.cc
+++ b/content/shell/renderer/layout_test/blink_test_runner.cc
@@ -476,6 +476,25 @@ void BlinkTestRunner::SetDeviceColorProfile(const std::string& name) {
 
 void BlinkTestRunner::SetBluetoothMockDataSet(const std::string& name) {
   Send(new LayoutTestHostMsg_SetBluetoothAdapter(name));
+  // Auto-reset the chooser type so we don't get order dependence when some
+  // tests forget to do it explicitly.
+  Send(new ShellViewHostMsg_SetBluetoothManualChooser(routing_id(), false));
+}
+
+void BlinkTestRunner::SetBluetoothManualChooser() {
+  Send(new ShellViewHostMsg_SetBluetoothManualChooser(routing_id(), true));
+}
+std::vector<std::string> BlinkTestRunner::GetBluetoothManualChooserEvents() {
+  std::vector<std::string> result;
+  Send(new ShellViewHostMsg_GetBluetoothManualChooserEvents(routing_id(),
+                                                            &result));
+  return result;
+}
+void BlinkTestRunner::SendBluetoothManualChooserEvent(
+    const std::string& event,
+    const std::string& argument) {
+  Send(new ShellViewHostMsg_SendBluetoothManualChooserEvent(routing_id(), event,
+                                                            argument));
 }
 
 void BlinkTestRunner::SetGeofencingMockProvider(bool service_available) {