Move page_transition_util to components/arc/intent_helper/

chrome/browser/chromeos/arc/page_transition_util.cc

-// Copyright 2016 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/chromeos/arc/page_transition_util.h"
-
-namespace arc {
-
-bool ShouldIgnoreNavigation(ui::PageTransition page_transition,
-                            bool allow_form_submit) {
-  // Mask out server-sided redirects only.
-  page_transition = ui::PageTransitionFromInt(
-      page_transition & ~ui::PAGE_TRANSITION_SERVER_REDIRECT);
-
-  if (!ui::PageTransitionCoreTypeIs(page_transition,
-                                    ui::PAGE_TRANSITION_LINK) &&
-      !(allow_form_submit &&
-        ui::PageTransitionCoreTypeIs(page_transition,
-                                     ui::PAGE_TRANSITION_FORM_SUBMIT))) {
-    // Do not handle the |url| if this event wasn't spawned by the user clicking
-    // on a link.
-    return true;
-  }
-
-  if (ui::PageTransitionGetQualifier(page_transition) != 0) {
-    // Qualifiers indicate that this navigation was the result of a click on a
-    // forward/back button, or typing in the URL bar, or a client-side redirect,
-    // etc.  Don't handle any of those types of navigations.
-    return true;
-  }
-
-  return false;
-}
-
-}  // namespace arc