Introduce the ChromeControllerClient class

components/security_interstitials/core/controller_client.h

 // Copyright 2015 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.
 
 #ifndef COMPONENTS_SECURITY_INTERSTITIALS_CORE_CONTROLLER_CLIENT_H_
 #define COMPONENTS_SECURITY_INTERSTITIALS_CORE_CONTROLLER_CLIENT_H_
 
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 
 class GURL;
 class PrefService;
 
 namespace security_interstitials {
 
+// Constants used to communicate with the JavaScript.
+extern const char kBoxChecked[];
+extern const char kDisplayCheckBox[];
+extern const char kOptInLink[];
+extern const char kPrivacyLinkHtml[];
+
 class MetricsHelper;
 
 // Provides methods for handling commands from the user, which requires some
 // embedder-specific abstraction.
 class ControllerClient {
  public:
   // These represent the commands sent from the interstitial JavaScript.
   // DO NOT reorder or change these without also changing the JavaScript!
   // See components/security_interstitials/core/browser/resources/
   enum SecurityInterstitialCommands {
@@ skipping 39 matching lines @@
 
  private:
   scoped_ptr<MetricsHelper> metrics_helper_;
 
   DISALLOW_COPY_AND_ASSIGN(ControllerClient);
 };
 
 }  // namespace security_interstitials
 
 #endif  // COMPONENTS_SECURITY_INTERSTITIALS_CORE_CONTROLLER_CLIENT_H_