[Extensions] Make a chrome.developerPrivate.getExtensionsInfo function

extensions/browser/extension_function_histogram_value.h

 // Copyright 2014 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 EXTENSIONS_BROWSER_EXTENSION_FUNCTION_HISTOGRAM_VALUE_H_
 #define EXTENSIONS_BROWSER_EXTENSION_FUNCTION_HISTOGRAM_VALUE_H_
 
 namespace extensions {
 namespace functions {
 
@@ skipping 1015 matching lines @@
   AUDIOMODEM_STOPTRANSMIT,
   AUDIOMODEM_RECEIVE,
   AUDIOMODEM_STOPRECEIVE,
   WEBRTCLOGGINGPRIVATE_STORE,
   WEBRTCLOGGINGPRIVATE_UPLOADSTORED,
   FILEMANAGERPRIVATE_SETENTRYTAG,
   INPUTMETHODPRIVATE_FETCHALLDICTIONARYWORDS,
   INPUTMETHODPRIVATE_ADDWORDTODICTIONARY,
   WEBSTOREPRIVATE_SHOWPERMISSIONPROMPTFORDELEGATEDINSTALL,
   PRINTERPROVIDERINTERNAL_GETPRINTDATA,
+  DEVELOPERPRIVATE_GETEXTENSIONSINFO,
+  DEVELOPERPRIVATE_GETEXTENSIONINFO,
   // Last entry: Add new entries above and ensure to update
   // tools/metrics/histograms/histograms.xml.
   ENUM_BOUNDARY
 };
 
 }  // namespace functions
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_EXTENSION_FUNCTION_HISTOGRAM_VALUE_H_