Create chrome/browser/api directory. Move infobar delegates used by Autofill to the directory.

chrome/browser/translate/translate_infobar_delegate.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/translate/translate_infobar_delegate.h"
 
 #include <algorithm>
 
 #include "base/metrics/histogram.h"
+#include "chrome/browser/api/infobars/infobar_tab_helper.h"
 #include "chrome/browser/browser_process.h"
-#include "chrome/browser/infobars/infobar_tab_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/translate/translate_infobar_view.h"
 #include "chrome/browser/translate/translate_manager.h"
 #include "chrome/browser/translate/translate_tab_helper.h"
 #include "chrome/browser/ui/tab_contents/tab_contents.h"
 #include "chrome/common/chrome_constants.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/web_contents.h"
 #include "grit/generated_resources.h"
@@ skipping 376 matching lines @@
 TranslateInfoBarDelegate*
     TranslateInfoBarDelegate::AsTranslateInfoBarDelegate() {
   return this;
 }
 
 std::string TranslateInfoBarDelegate::GetPageHost() {
   NavigationEntry* entry =
       owner()->web_contents()->GetController().GetActiveEntry();
   return entry ? entry->GetURL().HostNoBrackets() : std::string();
 }