Refactor OriginTrialPolicy to be an abstract interface in content/public/common

chrome/common/chrome_content_client.h

 // 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.
 
 #ifndef CHROME_COMMON_CHROME_CONTENT_CLIENT_H_
 #define CHROME_COMMON_CHROME_CONTENT_CLIENT_H_
 
 #include <string>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "build/build_config.h"
-#include "chrome/common/origin_trials/origin_trial_key_manager.h"
+#include "chrome/common/origin_trials/chrome_origin_trial_policy.h"
 #include "content/public/common/content_client.h"
 
 #if defined(ENABLE_PLUGINS)
 #include "content/public/common/pepper_plugin_info.h"
 #endif
 
 #include "url/url_util.h"
 
 // Returns the user agent of Chrome.
 std::string GetUserAgent();
@@ skipping 58 matching lines @@
       int* sandbox_profile_resource_id) const override;
 #endif
 
   void AddSecureSchemesAndOrigins(std::set<std::string>* schemes,
                                   std::set<GURL>* origins) override;
 
   void AddServiceWorkerSchemes(std::set<std::string>* schemes) override;
   bool AllowScriptExtensionForServiceWorker(const GURL& script_url) override;
 
   bool IsSupplementarySiteIsolationModeEnabled() override;
-  base::StringPiece GetOriginTrialPublicKey() override;
 
-  OriginTrialKeyManager* origin_trial_key_manager() {
-    return &origin_trial_key_manager_;
-  }
+  void InitializeOriginTrialPolicy() override;
+  const content::OriginTrialPolicy* GetOriginTrialPolicy() const override;
 
 #if defined(OS_ANDROID)
   media::MediaClientAndroid* GetMediaClientAndroid() override;
 #endif  // OS_ANDROID
 
  private:
-  OriginTrialKeyManager origin_trial_key_manager_;
+  ChromeOriginTrialPolicy origin_trial_policy_;
 };
 
 #endif  // CHROME_COMMON_CHROME_CONTENT_CLIENT_H_