Add PPAPI decryptor interfaces.

ppapi/api/dev/ppb_content_decryptor_dev.idl

Index: ppapi/api/dev/ppb_content_decryptor_dev.idl
diff --git a/ppapi/api/dev/ppb_content_decryptor_dev.idl b/ppapi/api/dev/ppb_content_decryptor_dev.idl
new file mode 100644
index 0000000000000000000000000000000000000000..e19dc9c8bbce8352a1c46d016e503a5afc8b9985
--- /dev/null
+++ b/ppapi/api/dev/ppb_content_decryptor_dev.idl
@@ -0,0 +1,95 @@
+/* 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>PPP_ContentDecryptor_Dev</code>
+ * interface.
+ */
+label Chrome {
+  M22 = 0.1
+};
+
+/**
+ * <code>PPB_ContentDecryptor_Dev</code> structure contains the function
+ * pointers the browser may implement to support plugins implementing the
+ * <code>PPP_ContentDecryptor_Dev</code> interface.
+ */
+interface PPB_ContentDecryptor_Dev {
+
+  /**
+   * A key or license is needed to decrypt media data.
+   */
+  void NeedKey(
+      [in] PP_Instance instance,
+      [in] PP_Var key_system,       /* String. */
+      [in] PP_Var session_id,       /* String. */
+      [in] PP_Resource init_data);  /* PPB_Buffer. */
+
+  /**
+   * A key has been added as the result of a call to the <code>AddKey()</code>
+   * method on the <code>PPP_ContentDecryptor_Dev</code> interface.
+   */
+  void KeyAdded(
+      [in] PP_Instance instance,
+      [in] PP_Var key_system,   /* String. */
+      [in] PP_Var session_id);  /* String. */
+
+  /**
+   * A message or request has been generated by or for key_system. For example,
+   * a key request has been generated as the result of call to the
+   * <code>GenerateKeyRequest()</code> method on the
+   * <code>PPP_ContentDecryptor_Dev</code> interface or another message
+   * must be sent in response to an <code>AddKey()</code> call. Note that
+   * <code>KeyMessage</code> can be used for purposes other than results to
+   * <code>AddKey()</code> calls.
+   */
+  void KeyMessage(
+      [in] PP_Instance instance,
+      [in] PP_Var key_system,     /* String. */
+      [in] PP_Var session_id,     /* String. */
+      [in] PP_Resource message,   /* PPB_Buffer. */
+      [in] PP_Var default_url);   /* String. */
+
+  /**
+   * An error occured in a <code>PPP_ContentDecryptor_Dev</code> method,
+   * or within the plugin implementing the interface.
+   */
+  void KeyError(
+      [in] PP_Instance instance,
+      [in] PP_Var key_system,   /* String. */
+      [in] PP_Var session_id,   /* String. */
+      [in] uint16_t media_error,
+      [in] uint16_t system_error);
+
+  /**
+   * Called after the <code>Decrypt</code> method on the
+   * <code>PPP_ContentDecryptor_Dev</code> interface completes to
+   * deliver decrypted_block to the media stack.
+   */
+  void DeliverBlock(
+      [in] PP_Instance instance,
+      [in] PP_Resource decrypted_block,  /* PPB_Buffer. */
+      [in] PP_CompletionCallback callback);
+
+  /**
+   * Called after the <code>DecryptAndDecode</code> method on the
+   * <code>PPP_ContentDecryptor_Dev</code> interface completes to
+   * deliver decrypted_frame to the media stack.
+   */
+  void DeliverFrame(
+      [in] PP_Instance instance,
+      [in] PP_Resource decrypted_frame,  /* PPB_Buffer. */
+      [in] PP_CompletionCallback callback);
+
+  /**
+   * Called after the <code>DecryptAndDecode</code> method on the
+   * <code>PPP_ContentDecryptor_Dev</code> interface completes to
+   * deliver decrypted_samples to the media stack.
+   */
+  void DeliverSamples(
+      [in] PP_Instance instance,
+      [in] PP_Resource decrypted_samples,  /* PPB_Buffer. */
+      [in] PP_CompletionCallback callback);
+};