Pepper: Remove unused interface versions.

ppapi/api/dev/ppb_audio_input_dev.idl

 /* 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.
  */
 
 /**
  * This file defines the <code>PPB_AudioInput_Dev</code> interface, which
  * provides realtime audio input capture.
  */
 
 label Chrome {
-  M19 = 0.2,
   M25 = 0.3,

[yzshen1, 2014/01/06 17:23:19]

I don't remember, is v0.2 the reason why we cannot auto-gen the thunk from IDL?
(If yes, please consider auto-gen it.)

   M30 = 0.4
 };
 
 /**
  * <code>PPB_AudioInput_Callback</code> defines the type of an audio callback
  * function used to provide the audio buffer with data. This callback will be
  * called on a separate thread from the creation thread.
  *
  * @param[in] sample_buffer A buffer providing audio input data.
  * @param[in] buffer_size_in_bytes The size of the buffer in bytes.
@@ skipping 44 matching lines @@
    *
    * @return A <code>PP_Bool</code> containing <code>PP_TRUE</code> if the given
    * resource is an audio input resource, otherwise <code>PP_FALSE</code>.
    */
   PP_Bool IsAudioInput(
       [in] PP_Resource resource);
 
   /**
    * Enumerates audio input devices.
    *
-   * Please note that:
-   * - this method ignores the previous value pointed to by <code>devices</code>
-   *   (won't release reference even if it is not 0);
-   * - <code>devices</code> must be valid until <code>callback</code> is called,
-   *   if the method returns <code>PP_OK_COMPLETIONPENDING</code>;
-   * - the ref count of the returned <code>devices</code> has already been
-   *   increased by 1 for the caller.
-   *
-   * @param[in] audio_input A <code>PP_Resource</code> corresponding to an audio
-   * input resource.
-   * @param[out] devices Once the operation is completed successfully,
-   * <code>devices</code> will be set to a <code>PPB_ResourceArray_Dev</code>
-   * resource, which holds a list of <code>PPB_DeviceRef_Dev</code> resources.
-   * @param[in] callback A <code>PP_CompletionCallback</code> to run on
-   * completion.
-   *
-   * @return An error code from <code>pp_errors.h</code>.
-   */
-  [deprecate=0.3]
-  int32_t EnumerateDevices(
-      [in] PP_Resource audio_input,
-      [out] PP_Resource devices,
-      [in] PP_CompletionCallback callback);
-
-  /**
-   * Enumerates audio input devices.
-   *
    * @param[in] audio_input A <code>PP_Resource</code> corresponding to an audio
    * input resource.
    * @param[in] output An output array which will receive
    * <code>PPB_DeviceRef_Dev</code> resources on success. Please note that the
    * ref count of those resources has already been increased by 1 for the
    * caller.
    * @param[in] callback A <code>PP_CompletionCallback</code> to run on
    * completion.
    *
    * @return An error code from <code>pp_errors.h</code>.
@@ skipping 102 matching lines @@
    * not valid to call Open() again after a call to this method.
    * If an audio input resource is destroyed while a device is still open, then
    * it will be implicitly closed, so you are not required to call this method.
    *
    * @param[in] audio_input A <code>PP_Resource</code> corresponding to an audio
    * input resource.
    */
   void Close(
       [in] PP_Resource audio_input);
 };