Gracefully handle extremely small windows in tab-modal sign in flow.

chrome/browser/ui/views/profiles/profile_chooser_view.cc

 // Copyright 2014 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/views/profiles/profile_chooser_view.h"
 
 #include "base/macros.h"
 #include "base/metrics/user_metrics.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 1651 matching lines @@
 
     // Save the original email address, as the button text could be elided.
     delete_account_button_map_[delete_button] = account_id;
   }
 }
 
 views::View* ProfileChooserView::CreateGaiaSigninView(
     views::View** signin_content_view) {
   views::WebView* web_view =
       SigninViewControllerDelegateViews::CreateGaiaWebView(
-          this, view_mode_, browser_->profile(), access_point_);
+          this, view_mode_, browser_, access_point_);
 
   int message_id;
   switch (view_mode_) {
     case profiles::BUBBLE_VIEW_MODE_GAIA_SIGNIN:
       message_id = IDS_PROFILES_GAIA_SIGNIN_TITLE;
       break;
     case profiles::BUBBLE_VIEW_MODE_GAIA_ADD_ACCOUNT:
       message_id = IDS_PROFILES_GAIA_ADD_ACCOUNT_TITLE;
       break;
     case profiles::BUBBLE_VIEW_MODE_GAIA_REAUTH: {
@@ skipping 211 matching lines @@
       IncognitoModePrefs::GetAvailability(browser_->profile()->GetPrefs()) !=
           IncognitoModePrefs::DISABLED;
   return incognito_available && !browser_->profile()->IsGuestSession();
 }
 
 void ProfileChooserView::PostActionPerformed(
     ProfileMetrics::ProfileDesktopMenu action_performed) {
   ProfileMetrics::LogProfileDesktopMenu(action_performed, gaia_service_type_);
   gaia_service_type_ = signin::GAIA_SERVICE_TYPE_NONE;
 }