Replaced enum strings with ints in Activity Log database

chrome/browser/extensions/activity_log/api_actions.h

 // Copyright (c) 2013 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_BROWSER_EXTENSIONS_ACTIVITY_LOG_API_ACTIONS_H_
 #define CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_API_ACTIONS_H_
 
 #include "chrome/browser/extensions/activity_log/activity_actions.h"
 #include "chrome/browser/profiles/profile.h"
 
 namespace extensions {
 
 // This class describes API calls that did not run into permissions or quota
 // problems.  See BlockedActions for API calls that did not succeed.
 class APIAction : public Action {
  public:
+  // These values should not be changed. Append any additional values to the
+  // end with sequential numbers.
   enum Type {
-    CALL,
-    EVENT_CALLBACK,
-    UNKNOWN_TYPE
+    CALL = 0,
+    EVENT_CALLBACK = 1,
+    UNKNOWN_TYPE = 2,
   };
 
   static const char* kTableName;
   static const char* kTableContentFields[];
+  static const char* kTableFieldTypes[];
   static const char* kAlwaysLog[];
   static const int kSizeAlwaysLog;
 
   // Create the database table for storing APIActions, or update the schema if
   // it is out of date.  Any existing data is preserved.
   static bool InitializeTable(sql::Connection* db);
 
   // Create a new APIAction to describe a successful API call.  All
   // parameters are required.
   APIAction(const std::string& extension_id,
@@ skipping 19 matching lines @@
 
   // Print a APIAction as a regular string for debugging purposes.
   virtual std::string PrintForDebug() OVERRIDE;
 
   // Helper methods for recording the values into the db.
   const std::string& api_call() const { return api_call_; }
   const std::string& args() const { return args_; }
   std::string TypeAsString() const;
   std::string extra() const { return extra_; }
 
-  // Helper method(s) for creating a APIAction.
-  static Type StringAsType(const std::string& str);
-
  protected:
   virtual ~APIAction();
 
  private:
   Type type_;
   std::string api_call_;
   std::string args_;
   std::string extra_;
 
   DISALLOW_COPY_AND_ASSIGN(APIAction);
 };
 
 }  // namespace
 
 #endif  // CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_API_ACTIONS_H_