Use web-based sign-in, rather than inline signin, for v1 and v2 apps.

chrome/test/remoting/remote_desktop_browsertest.cc

Index: chrome/test/remoting/remote_desktop_browsertest.cc
diff --git a/chrome/test/remoting/remote_desktop_browsertest.cc b/chrome/test/remoting/remote_desktop_browsertest.cc
index 58d659306e0d4e1d1e26a05a22ab17d3f88fea51..98abea2af6b39364433af197b12cf5c9755a3563 100644
--- a/chrome/test/remoting/remote_desktop_browsertest.cc
+++ b/chrome/test/remoting/remote_desktop_browsertest.cc
@@ -554,6 +554,11 @@ void RemoteDesktopBrowserTest::ParseCommandLine() {
     // One and only one of these two arguments should be provided.
     ASSERT_NE(webapp_crx_.empty(), webapp_unpacked_.empty());
   }
+
+  // Run with "enable-web-based-signin" flag to enforce web-based sign-in,
+  // rather than inline signin. This ensures we use the same authentication
+  // page, regardless of whether we are testing the v1 or v2 web-app.
+  command_line->AppendSwitch(switches::kEnableWebBasedSignin);
 }
 
 void RemoteDesktopBrowserTest::ExecuteScript(const std::string& script) {