Update the expected URL for main.html of v2 app, used by remoting tests.

chrome/test/remoting/remote_desktop_browsertest.h

Index: chrome/test/remoting/remote_desktop_browsertest.h
diff --git a/chrome/test/remoting/remote_desktop_browsertest.h b/chrome/test/remoting/remote_desktop_browsertest.h
index 18b4d614b66599a1257b686f8f647c4973ea2732..a3506d4ad2a4b43788a431d90eabd17139158769 100644
--- a/chrome/test/remoting/remote_desktop_browsertest.h
+++ b/chrome/test/remoting/remote_desktop_browsertest.h
@@ -223,7 +223,14 @@ class RemoteDesktopBrowserTest : public extensions::PlatformAppBrowserTest {
 
   // Helper to construct the starting URL of the installed chromoting webapp.
   GURL Chromoting_Main_URL() {
-    return GURL("chrome-extension://" + ChromotingID() + "/main.html");
+    if (is_platform_app())
+      // The v2 remoting app recently (M38 at the latest) started adding a
+      // query-string parameter to the main extension page. So we'll create a
+      // different expected URL for it.
+      return GURL("chrome-extension://" + ChromotingID() +
+        "/main.html?isKioskSession=false");
+    else
+      return GURL("chrome-extension://" + ChromotingID() + "/main.html");
   }
 
   // Helper to retrieve the current URL in the active WebContents.