Remove sync handling of IsSearchProviderInstalled on the browser UI thread.

chrome/browser/tab_contents/tab_contents.cc

 // Copyright (c) 2010 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/tab_contents/tab_contents.h"
 
 #if defined(OS_CHROMEOS)
 // For GdkScreen
 #include <gdk/gdk.h>
 #endif  // defined(OS_CHROMEOS)
@@ skipping 2778 matching lines @@
   // Download the OpenSearch description document. If this is successful a
   // new keyword will be created when done.
   profile()->GetTemplateURLFetcher()->ScheduleDownload(
       keyword,
       url,
       base_entry->favicon().url(),
       this,
       autodetected);
 }
 
-// Indicates if the two inputs have the same security origin.
-// |requested_origin| should only be a security origin (no path, etc.).
-// It is ok if |template_url| is NULL.
-static bool IsSameOrigin(const GURL& requested_origin,
-                         const TemplateURL* template_url) {
-  DCHECK(requested_origin == requested_origin.GetOrigin());
-  return template_url && requested_origin ==
-      TemplateURLModel::GenerateSearchURL(template_url).GetOrigin();
-}
-
-ViewHostMsg_GetSearchProviderInstallState_Params
-    TabContents::GetSearchProviderInstallState(const GURL& requested_host) {
-  // Get the last committed entry since that is the page executing the
-  // javascript as opposed to a page being navigated to. We don't want
-  // to trust the page to tell us the url to avoid using potentially
-  // compromised information.
-  NavigationEntry* entry = controller_.GetLastCommittedEntry();
-  GURL page_origin = entry ? entry->virtual_url().GetOrigin() : GURL();
-  GURL requested_origin = requested_host.GetOrigin();
-  // Do the security check before any others to avoid information leaks.
-  if (page_origin != requested_origin)
-    return ViewHostMsg_GetSearchProviderInstallState_Params::Denied();
-
-  // In incognito mode, no search information is exposed. (This check must be
-  // done after the security check or else a web site can detect that the
-  // user is in incognito mode just by doing a cross origin request.)
-  if (profile()->IsOffTheRecord())
-    return ViewHostMsg_GetSearchProviderInstallState_Params::NotInstalled();
-
-  TemplateURLModel* url_model = profile()->GetTemplateURLModel();
-  if (!url_model)
-    return ViewHostMsg_GetSearchProviderInstallState_Params::NotInstalled();
-  if (!url_model->loaded())
-    url_model->Load();
-
-  // First check to see if the url is the default search provider.
-  if (IsSameOrigin(requested_origin, url_model->GetDefaultSearchProvider())) {
-    return ViewHostMsg_GetSearchProviderInstallState_Params::
-        InstalledAsDefault();
-  }
-
-  // Is the url any search provider?
-  std::vector<const TemplateURL*> urls = url_model->GetTemplateURLs();
-  for (std::vector<const TemplateURL*>::iterator i = urls.begin();
-       i != urls.end(); ++i) {
-    const TemplateURL* template_url = (*i);
-    if (IsSameOrigin(requested_origin, template_url)) {
-      return ViewHostMsg_GetSearchProviderInstallState_Params::
-          InstallButNotDefault();
-    }
-  }
-  return ViewHostMsg_GetSearchProviderInstallState_Params::NotInstalled();
-}
-
 GURL TabContents::GetAlternateErrorPageURL() const {
   GURL url;
   // Disable alternate error pages when in OffTheRecord/Incognito mode.
   if (profile()->IsOffTheRecord())
     return url;
 
   PrefService* prefs = profile()->GetPrefs();
   DCHECK(prefs);
   if (prefs->GetBoolean(prefs::kAlternateErrorPagesEnabled)) {
     url = google_util::AppendGoogleLocaleParam(
@@ skipping 460 matching lines @@
   AddInfoBar(new SavePasswordInfoBarDelegate(this, form_to_save));
 }
 
 Profile* TabContents::GetProfileForPasswordManager() {
   return profile();
 }
 
 bool TabContents::DidLastPageLoadEncounterSSLErrors() {
   return controller().ssl_manager()->ProcessedSSLErrorFromRequest();
 }