[Extensions Bindings] Add native declarativeContent verification

chrome/browser/extensions/api/declarative_content/content_constants.cc

Index: chrome/browser/extensions/api/declarative_content/content_constants.cc
diff --git a/chrome/browser/extensions/api/declarative_content/content_constants.cc b/chrome/browser/extensions/api/declarative_content/content_constants.cc
deleted file mode 100644
index 2d41866717bdb2374463fdcaf00d170b8bb0d10d..0000000000000000000000000000000000000000
--- a/chrome/browser/extensions/api/declarative_content/content_constants.cc
+++ /dev/null
@@ -1,29 +0,0 @@
-// 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/extensions/api/declarative_content/content_constants.h"
-
-namespace extensions {
-namespace declarative_content_constants {
-
-// Signals to which ContentRulesRegistries are registered.
-const char kOnPageChanged[] = "declarativeContent.onPageChanged";
-
-// Keys of dictionaries.
-const char kAllFrames[] = "allFrames";
-const char kCss[] = "css";
-const char kInstanceType[] = "instanceType";
-const char kIsBookmarked[] = "isBookmarked";
-const char kJs[] = "js";
-const char kMatchAboutBlank[] = "matchAboutBlank";
-const char kPageUrl[] = "pageUrl";
-
-// Values of dictionaries, in particular instance types
-const char kPageStateMatcherType[] = "declarativeContent.PageStateMatcher";
-const char kShowPageAction[] = "declarativeContent.ShowPageAction";
-const char kRequestContentScript[] = "declarativeContent.RequestContentScript";
-const char kSetIcon[] = "declarativeContent.SetIcon";
-
-}  // namespace declarative_content_constants
-}  // namespace extensions