Refactor KeySystems code to call a function to populate the info.

chrome/renderer/chrome_content_renderer_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/renderer/chrome_content_renderer_client.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/path_service.h"
@@ skipping 1282 matching lines @@
   }
   // Allow access for tests.
   if (CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnablePepperTesting)) {
     return true;
   }
 #endif  // !defined(OS_ANDROID)
   return false;
 }
 
+void ChromeContentRendererClient::AddKeySystems(
+    std::vector<content::KeySystemInfo>* key_systems) {
+  // TODO(ddorwin): In the next CL, move code from
+  // content/renderer/media/crypto/key_systems_info.cc to chrome_key_systems.cc
+  // and call AddKeySystems.
+}
+
 bool ChromeContentRendererClient::ShouldReportDetailedMessageForSource(
     const base::string16& source) const {
   return extensions::IsSourceFromAnExtension(source);
 }
 
 }  // namespace chrome