Add a CodeToNativeKeycode helper that converts UIEvent code to native code.

remoting/test/remote_desktop_browsertest.h

Index: remoting/test/remote_desktop_browsertest.h
diff --git a/remoting/test/remote_desktop_browsertest.h b/remoting/test/remote_desktop_browsertest.h
index ab8cf86e408f4f36ffe64a894e18471d99e4ed4a..4595803d239aac7211bef4aeafc4679104061d21 100644
--- a/remoting/test/remote_desktop_browsertest.h
+++ b/remoting/test/remote_desktop_browsertest.h
@@ -82,10 +82,10 @@ class RemoteDesktopBrowserTest : public ExtensionBrowserTest {
   void StartMe2Me();
 
   // Simulate a key event.
-  void SimulateKeyPress(ui::KeyboardCode key, int nativeKeyCode);
+  void SimulateSimpleKeyPress(ui::KeyboardCode keyCode, const char* code);
 
-  void SimulateKeyPress(ui::KeyboardCode key,
-                        int nativeKeyCode,
+  void SimulateKeyPress(ui::KeyboardCode keyCode,
+                        const char* code,
                         bool control,
                         bool shift,
                         bool alt,