Bug 858828 - Always return desktop user agent if requested, even for Youtube domains. r=mfinkle

mobile/android/chrome/content/browser.js

@@ -2130,6 +2130,10 @@ var UserAgent = {
   },
 
   getUserAgentForUriAndTab: function ua_getUserAgentForUriAndTab(aUri, aTab, defaultUA) {
+    // Send desktop UA if "Request Desktop Site" is enabled.
+    if (aTab.desktopMode)
+      return this.DESKTOP_UA;
+
     // Not all schemes have a host member.
     if (aUri.schemeIs("http") || aUri.schemeIs("https")) {
       if (this.YOUTUBE_DOMAIN.test(aUri.host)) {
@@ -2139,10 +2143,6 @@ var UserAgent = {
       }
     }
 
-    // Send desktop UA if "Request Desktop Site" is enabled
-    if (aTab.desktopMode)
-      return this.DESKTOP_UA;
-
     return defaultUA;
   },