Introduce PPB_AudioInput_Dev v0.3 and refactor the device enumeration code:

ppapi/c/dev/ppb_device_ref_dev.h

 /* 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.
  */
 
-/* From dev/ppb_device_ref_dev.idl modified Fri Jan 20 12:58:06 2012. */
+/* From dev/ppb_device_ref_dev.idl modified Wed Nov 07 13:28:37 2012. */
 
 #ifndef PPAPI_C_DEV_PPB_DEVICE_REF_DEV_H_
 #define PPAPI_C_DEV_PPB_DEVICE_REF_DEV_H_
 
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/pp_stdint.h"
 #include "ppapi/c/pp_var.h"
 
 #define PPB_DEVICEREF_DEV_INTERFACE_0_1 "PPB_DeviceRef(Dev);0.1"
 #define PPB_DEVICEREF_DEV_INTERFACE PPB_DEVICEREF_DEV_INTERFACE_0_1
 
 /**
  * @file
  * This file defines the <code>PPB_DeviceRef_Dev</code> interface.
  */
 
 
 /**
+ * @addtogroup Typedefs
+ * @{
+ */
+/**
+ * Defines the callback type to receive device change notifications for
+ * <code>PPB_AudioInput_Dev.MonitorDeviceChange()</code> and
+ * <code>PPB_VideoCapture_Dev.MonitorDeviceChange()</code>.
+ *
+ * @param[inout] user_data The opaque pointer that the caller passed into
+ * <code>MonitorDeviceChange()</code>.
+ * @param[in] device_count How many devices in the array.
+ * @param[in] devices An array of <code>PPB_DeviceRef_Dev</code>. Please note
+ * that the ref count of the elements is not increased on behalf of the plugin.
+ */
+typedef void (*PP_MonitorDeviceChangeCallback)(void* user_data,
+                                               uint32_t device_count,
+                                               const PP_Resource devices[]);
+/**
+ * @}
+ */
+
+/**
  * @addtogroup Enums
  * @{
  */
 /**
  * Device types.
  */
 typedef enum {
   PP_DEVICETYPE_DEV_INVALID = 0,
   PP_DEVICETYPE_DEV_AUDIOCAPTURE = 1,
   PP_DEVICETYPE_DEV_VIDEOCAPTURE = 2
@@ skipping 40 matching lines @@
   struct PP_Var (*GetName)(PP_Resource device_ref);
 };
 
 typedef struct PPB_DeviceRef_Dev_0_1 PPB_DeviceRef_Dev;
 /**
  * @}
  */
 
 #endif  /* PPAPI_C_DEV_PPB_DEVICE_REF_DEV_H_ */