Adding field trial branching code to use either the modal dialog or the bubble for sing in confirma…

chrome/browser/ui/sync/one_click_signin_helper.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/browser/ui/sync/one_click_signin_helper.h"
 
 #include <algorithm>
 #include <functional>
 #include <utility>
 #include <vector>
@@ skipping 173 matching lines @@
   }
 
   GURL origin = url.GetOrigin();
   if (origin == GURL("https://accounts.youtube.com") ||
       origin == GURL("https://accounts.blogger.com"))
     return true;
 
   return false;
 }
 
+// Constants for the modal dialog / bubble sign in to chrome confirmation
+// experiment
+const char kSignInToChromeDialogFieldTrialName[] = "SignInToChromeConfirmation";
+const char kSignInConfirmBubbleGroupName[] = "Bubble";
+
 }  // namespace
 
 // The infobar asking the user if they want to use one-click sign in.
 // TODO(rogerta): once we move to a web-based sign in flow, we can get rid
 // of this infobar.
 class OneClickInfoBarDelegateImpl : public OneClickSigninInfoBarDelegate {
  public:
   // Creates a one click signin delegate and adds it to |infobar_service|.
   static void Create(InfoBarService* infobar_service,
                      const std::string& session_index,
@@ skipping 649 matching lines @@
   }
 
   Browser* browser = chrome::FindBrowserWithWebContents(contents);
   Profile* profile =
       Profile::FromBrowserContext(contents->GetBrowserContext());
 
   VLOG(1) << "OneClickSigninHelper::DidStopLoading: signin is go."
           << " auto_accept=" << auto_accept_
           << " source=" << source_;
 
+  BrowserWindow::OneClickSigninBubbleType bubble_type;
+  if (base::FieldTrialList::FindFullName(kSignInToChromeDialogFieldTrialName) ==
+      kSignInConfirmBubbleGroupName)
+    bubble_type = BrowserWindow::ONE_CLICK_SIGNIN_BUBBLE_TYPE_BUBBLE;
+  else
+    bubble_type = BrowserWindow::ONE_CLICK_SIGNIN_BUBBLE_TYPE_MODAL_DIALOG;
+
   switch (auto_accept_) {
     case AUTO_ACCEPT_NONE:
       if (SyncPromoUI::UseWebBasedSigninFlow()) {
         UMA_HISTOGRAM_ENUMERATION("AutoLogin.Reverse",
                                   one_click_signin::HISTOGRAM_DISMISSED,
                                   one_click_signin::HISTOGRAM_MAX);
       } else {
         OneClickInfoBarDelegateImpl::Create(
             InfoBarService::FromWebContents(contents), session_index_, email_,
             password_);
       }
       break;
     case AUTO_ACCEPT_ACCEPTED:
       SigninManager::DisableOneClickSignIn(profile);
       browser->window()->ShowOneClickSigninBubble(
-          BrowserWindow::ONE_CLICK_SIGNIN_BUBBLE_TYPE_MODAL_DIALOG,
+          bubble_type,
           base::Bind(&StartSync, profile, browser, auto_accept_, session_index_,
                      email_, password_));
       break;
     case AUTO_ACCEPT_CONFIGURE:
       SigninManager::DisableOneClickSignIn(profile);
       StartSync(profile, browser, auto_accept_, session_index_, email_,
                 password_, OneClickSigninSyncStarter::CONFIGURE_SYNC_FIRST);
       break;
     case AUTO_ACCEPT_EXPLICIT:
       StartSync(profile, browser, auto_accept_, session_index_, email_,
@@ skipping 56 matching lines @@
         break;
     }
   }
 
   RedirectToNTP();
 }
 
 void OneClickSigninHelper::SigninSuccess() {
   RedirectToNTP();
 }