Remove dependency from infobars component to the embedder

chrome/browser/infobars/infobar_service_cocoa.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/infobars/infobar_service.h"
+
+#include "components/infobars/core/infobar.h"
+
+const infobars::InfoBarConstants kChromeInfoBarConstants = {
+    1,   // separator_line_height
+    36,  // default_bar_target_height
+    11,  // default_arrow_target_height
+    24,  // maximum_arrow_target_height
+    11,  // default_arrow_target_half_width
+    14,  // maximum_arrow_target_half_width
+};