Add TestBrowserThreadBundle into RenderViewHostTestHarness. Kill some unnecessary real threads.

chrome/browser/ui/sync/one_click_signin_helper.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_SYNC_ONE_CLICK_SIGNIN_HELPER_H_
 #define CHROME_BROWSER_UI_SYNC_ONE_CLICK_SIGNIN_HELPER_H_
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
@@ skipping 178 matching lines @@
                                   int child_id,
                                   int route_id);
 
   void RedirectToNtpOrAppsPage();
   void RedirectToSignin();
   void ShowSigninErrorBubble(Browser* browser, const std::string& error);
 
   // Clear all data member of the helper, except for the error.
   void CleanTransientState();
 
+  // Unitests that use a TestingProfile should call this.
+  // Otherwise, clearing the pending e-mail crashes because the code expects
+  // a real ResourceContext rather than the MockResourceContext a
+  // TestingProfile provides.
+  void SetDoNotClearPendingEmailForTesting();
+
   // Grab Gaia password if available.
   bool OnFormSubmitted(const content::PasswordForm& form);
 
   // content::WebContentsObserver overrides.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
   virtual void NavigateToPendingEntry(
       const GURL& url,
       content::NavigationController::ReloadType reload_type) OVERRIDE;
   virtual void DidStopLoading(
       content::RenderViewHost* render_view_host) OVERRIDE;
@@ skipping 26 matching lines @@
   // one more untrusted will cause a modal dialog to appear asking the user
   // to confirm, similar to the interstitial flow.
   int untrusted_navigations_since_signin_visit_;
 
   // Whether a Gaia URL during the sign in process was not handled by the
   // dedicated sign in process (e.g. SAML login, which redirects to a
   // non-google-controlled domain).
   // This is set to true if at least one such URL is detected.
   bool untrusted_confirmation_required_;
 
+  // Allows unittests to avoid accessing the ResourceContext for clearing a
+  // pending e-mail.
+  bool do_not_clear_pending_email_;
+
   DISALLOW_COPY_AND_ASSIGN(OneClickSigninHelper);
 };
 
 #endif  // CHROME_BROWSER_UI_SYNC_ONE_CLICK_SIGNIN_HELPER_H_