Add a PPB_Flash_Print interface and implement in Chrome.

ppapi/c/private/ppb_flash_print.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 private/ppb_flash_print.idl modified Tue Apr 24 16:55:10 2012. */
+
+#ifndef PPAPI_C_PRIVATE_PPB_FLASH_PRINT_H_
+#define PPAPI_C_PRIVATE_PPB_FLASH_PRINT_H_
+
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/c/pp_macros.h"
+#include "ppapi/c/pp_stdint.h"
+
+#define PPB_FLASH_PRINT_INTERFACE_1_0 "PPB_Flash_Print;1.0"
+#define PPB_FLASH_PRINT_INTERFACE PPB_FLASH_PRINT_INTERFACE_1_0
+
+/**
+ * @file
+ * This file contains the <code>PPB_Flash_Print</code> interface.
+ */
+
+
+/**
+ * @addtogroup Interfaces
+ * @{
+ */
+/**
+ * The <code>PPB_Flash_Print</code> interface contains Flash-specific printing
+ * functionality.
+ */
+struct PPB_Flash_Print_1_0 {
+  /**
+   * Invokes printing on the given plugin instance.
+   */
+  void (*InvokePrinting)(PP_Instance instance);
+};
+
+typedef struct PPB_Flash_Print_1_0 PPB_Flash_Print;
+/**
+ * @}
+ */
+
+#endif  /* PPAPI_C_PRIVATE_PPB_FLASH_PRINT_H_ */
+