Add UMA for the number of devices in the chooser when a device is paired

content/shell/browser/layout_test/blink_test_controller.cc

 // Copyright 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/shell/browser/layout_test/blink_test_controller.h"
 
 #include <stddef.h>
 
 #include <iostream>
 #include <set>
@@ skipping 386 matching lines @@
   main_render_view_host->Send(new ShellViewMsg_TestFinishedInSecondaryRenderer(
       main_render_view_host->GetRoutingID()));
 }
 
 bool BlinkTestController::IsMainWindow(WebContents* web_contents) const {
   return main_window_ && web_contents == main_window_->web_contents();
 }
 
 std::unique_ptr<BluetoothChooser> BlinkTestController::RunBluetoothChooser(
     RenderFrameHost* frame,
-    const BluetoothChooser::EventHandler& event_handler) {
+    const BluetoothChooser::EventHandler& event_handler,
+    bool accept_all_devices) {
   if (bluetooth_chooser_factory_) {
-    return bluetooth_chooser_factory_->RunBluetoothChooser(frame,
-                                                           event_handler);
+    return bluetooth_chooser_factory_->RunBluetoothChooser(frame, event_handler,
+                                                           accept_all_devices);
   }
   return base::MakeUnique<LayoutTestFirstDeviceBluetoothChooser>(event_handler);
 }
 
 bool BlinkTestController::OnMessageReceived(const IPC::Message& message) {
   DCHECK(CalledOnValidThread());
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(BlinkTestController, message)
     IPC_MESSAGE_HANDLER(ShellViewHostMsg_PrintMessage, OnPrintMessage)
     IPC_MESSAGE_HANDLER(ShellViewHostMsg_TextDump, OnTextDump)
@@ skipping 526 matching lines @@
   } else {
     printer_->AddErrorMessage(base::StringPrintf(
         "FAIL: Unexpected sendBluetoothManualChooserEvent() event name '%s'.",
         event_name.c_str()));
     return;
   }
   bluetooth_chooser_factory_->SendEvent(event, argument);
 }
 
 }  // namespace content