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

chrome/common/chrome_content_client.cc

 // 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/common/chrome_content_client.h"
 
 #include <stdint.h>
 
 #include <memory>
 #include <tuple>
@@ skipping 682 matching lines @@
 }
 
 bool ChromeContentClient::IsSupplementarySiteIsolationModeEnabled() {
 #if defined(ENABLE_EXTENSIONS)
   return extensions::IsIsolateExtensionsEnabled();
 #else
   return false;
 #endif
 }
 
-base::StringPiece ChromeContentClient::GetOriginTrialPublicKey() {
-  return origin_trial_key_manager_.GetPublicKey();
+void ChromeContentClient::InitializeOriginTrialPolicy() {
+  // Set the public key for the origin trial key manager, based on the command
+  // line flags which were passed to this process.
+  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
+  if (command_line->HasSwitch(switches::kOriginTrialPublicKey)) {
+    origin_trial_policy_.SetPublicKeyFromASCIIString(
+        command_line->GetSwitchValueASCII(switches::kOriginTrialPublicKey));
+  }
+}
+
+const content::OriginTrialPolicy* ChromeContentClient::GetOriginTrialPolicy()
+    const {
+  return &origin_trial_policy_;
 }
 
 #if defined(OS_ANDROID)
 media::MediaClientAndroid* ChromeContentClient::GetMediaClientAndroid() {
   return new ChromeMediaClientAndroid();
 }
 #endif  // OS_ANDROID