Add values to all dev Pepper .idl enumerations.

ppapi/api/dev/ppb_console_dev.idl

 /* Copyright (c) 2011 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.
  */
 
 /**
  * This file defines the <code>PPB_Console_Dev</code> interface.
  */
 
 label Chrome {
   M14 = 0.1
 };
 
 [assert_size(4)]
 enum PP_LogLevel_Dev {
   PP_LOGLEVEL_TIP = 0,
-  PP_LOGLEVEL_LOG,
-  PP_LOGLEVEL_WARNING,
-  PP_LOGLEVEL_ERROR
+  PP_LOGLEVEL_LOG = 1,
+  PP_LOGLEVEL_WARNING = 2,
+  PP_LOGLEVEL_ERROR = 3
 };
 
 interface PPB_Console_Dev {
   /**
    * Logs the given message to the JavaScript console associated with the
    * given plugin instance with the given logging level. The name of the plugin
    * issuing the log message will be automatically prepended to the message.
    * The value may be any type of Var.
    */
   void Log(
@@ skipping 10 matching lines @@
    * wish to override this. For example, if your plugin is a Python
    * interpreter, you would want log messages to contain the source .py file
    * doing the log statement rather than have "python" show up in the console.
    */
   void LogWithSource(
       [in] PP_Instance instance,
       [in] PP_LogLevel_Dev level,
       [in] PP_Var source,
       [in] PP_Var value);
 };