Implement inline signin with iframe

chrome/browser/ui/views/profile_chooser_view.cc

 // Copyright 2013 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/profile_chooser_view.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
+#include "chrome/browser/extensions/extension_web_contents_observer.h"
 #include "chrome/browser/profiles/profile_info_util.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/profiles/profile_window.h"
 #include "chrome/browser/profiles/profiles_state.h"
 #include "chrome/browser/signin/mutable_profile_oauth2_token_service.h"
 #include "chrome/browser/signin/profile_oauth2_token_service.h"
 #include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
 #include "chrome/browser/signin/signin_manager.h"
 #include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/browser/signin/signin_promo.h"
@@ skipping 415 matching lines @@
   views::GridLayout* layout = CreateSingleColumnLayout(this);
   layout->set_minimum_size(gfx::Size(kMinMenuWidth, 0));
 
   if (view_to_display == GAIA_SIGNIN_VIEW ||
       view_to_display == GAIA_ADD_ACCOUNT_VIEW) {
     // Minimum size for embedded sign in pages as defined in Gaia.
     const int kMinGaiaViewWidth = 320;
     const int kMinGaiaViewHeight = 440;
     Profile* profile = browser_->profile();
     views::WebView* web_view = new views::WebView(profile);
+    extensions::ExtensionWebContentsObserver::CreateForWebContents(
+        web_view->GetWebContents());
     signin::Source source = (view_to_display == GAIA_SIGNIN_VIEW) ?
         signin::SOURCE_AVATAR_BUBBLE_SIGN_IN :
         signin::SOURCE_AVATAR_BUBBLE_ADD_ACCOUNT;
     GURL url(signin::GetPromoURL(
         source, false /* auto_close */, true /* is_constrained */));
     web_view->LoadInitialURL(url);
     layout->StartRow(1, 0);
     layout->AddView(web_view);
     layout->set_minimum_size(
         gfx::Size(kMinGaiaViewWidth, kMinGaiaViewHeight));
@@ skipping 384 matching lines @@
     email_button->set_menu_marker(
         rb->GetImageNamed(IDR_CLOSE_1).ToImageSkia());
     layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
   }
   layout->StartRow(1, 0);
   layout->AddView(email_button);
 
   // Save the original email address, as the button text could be elided.
   current_profile_accounts_map_[email_button] = account;
 }