Add perf histogram and tests for inline signin

chrome/common/chrome_switches.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/common/chrome_switches.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 
 namespace switches {
@@ skipping 868 matching lines @@
 
 // Forces application mode. This hides certain system UI elements and forces
 // the app to be installed if it hasn't been already.
 const char kForceAppMode[]                  = "force-app-mode";
 
 // Displays the First Run experience when the browser is started, regardless of
 // whether or not it's actually the First Run (this overrides kNoFirstRun and
 // kCancelFirstRun).
 const char kForceFirstRun[]                 = "force-first-run";
 
+// Forces showing the signin promo on startup.
+const char kForceSigninPromo[]              = "force-signin-promo";
+
 // Forces additional Chrome Variation Ids that will be sent in
 // X-Client-Data header, specified as a 64-bit encoded list of numeric
 // experiment ids.
 const char kForceVariationIds[]             = "force-variation-ids";
 
 // Tries to load cloud policy for every signed in user, regardless of whether
 // they are a dasher user or not. Used to allow any GAIA account to be used for
 // testing the cloud policy framework.
 const char kForceLoadCloudPolicy[]          = "force-load-cloud-policy";
 
@@ skipping 783 matching lines @@
 
 // -----------------------------------------------------------------------------
 // DO NOT ADD YOUR CRAP TO THE BOTTOM OF THIS FILE.
 //
 // You were going to just dump your switches here, weren't you? Instead, please
 // put them in alphabetical order above, or in order inside the appropriate
 // ifdef at the bottom. The order should match the header.
 // -----------------------------------------------------------------------------
 
 }  // namespace switches