DevTools: discover default port node servers for debugging (behind experiment)

chrome/browser/devtools/device/devtools_android_bridge.h

Index: chrome/browser/devtools/device/devtools_android_bridge.h
diff --git a/chrome/browser/devtools/device/devtools_android_bridge.h b/chrome/browser/devtools/device/devtools_android_bridge.h
index 4841434d290e5d0c579005af210b10758fdc609a..ca6102b118910122a58544f7a05bb4e23aaf16f8 100644
--- a/chrome/browser/devtools/device/devtools_android_bridge.h
+++ b/chrome/browser/devtools/device/devtools_android_bridge.h
@@ -190,6 +190,15 @@ class DevToolsAndroidBridge : public KeyedService {
     virtual ~PortForwardingListener() {}
   };
 
+  using CompleteDevice = std::pair<scoped_refptr<AndroidDeviceManager::Device>,
+                    scoped_refptr<RemoteDevice>>;
+  using CompleteDevices = std::vector<CompleteDevice>;
+  using DeviceListCallback = base::Callback<void(const CompleteDevices&)>;
+
+  static void QueryCompleteDevices(
+      AndroidDeviceManager* device_manager,
+      const DeviceListCallback& callback);
+
   void AddPortForwardingListener(PortForwardingListener* listener);
   void RemovePortForwardingListener(PortForwardingListener* listener);
 
@@ -218,11 +227,6 @@ class DevToolsAndroidBridge : public KeyedService {
       base::Callback<void(scoped_refptr<TCPDeviceProvider>)>;
   void set_tcp_provider_callback_for_test(TCPProviderCallback callback);
 
-  using CompleteDevice = std::pair<scoped_refptr<AndroidDeviceManager::Device>,
-                    scoped_refptr<RemoteDevice>>;
-  using CompleteDevices = std::vector<CompleteDevice>;
-  using DeviceListCallback = base::Callback<void(const CompleteDevices&)>;
-
  private:
   friend struct content::BrowserThread::DeleteOnThread<
       content::BrowserThread::UI>;