Add PPAPI decryptor interfaces.

ppapi/thunk/ppb_content_decryptor_thunk.cc

+// 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.
+
+#include "ppapi/c/dev/ppb_content_decryptor_dev.h"
+#include "ppapi/thunk/thunk.h"
+#include "ppapi/thunk/enter.h"
+#include "ppapi/thunk/ppb_instance_api.h"
+
+namespace ppapi {
+namespace thunk {
+
+namespace {
+
+void NeedKey(PP_Instance instance,
+             PP_Var key_system,
+             PP_Var session_id,
+             PP_Var init_data) {
+  EnterInstance enter(instance);
+  if (enter.succeeded())
+    enter.functions()->NeedKey(instance, key_system, session_id, init_data);
+}
+
+void KeyAdded(PP_Instance instance,
+              PP_Var key_system,
+              PP_Var session_id) {
+  EnterInstance enter(instance);
+  if (enter.succeeded())
+    enter.functions()->KeyAdded(instance, key_system, session_id);
+}
+
+void KeyMessage(PP_Instance instance,
+                PP_Var key_system,
+                PP_Var session_id,
+                PP_Resource message,
+                PP_Var default_url) {
+  EnterInstance enter(instance);
+  if (enter.succeeded())
+    enter.functions()->KeyMessage(instance, key_system, session_id, message,
+                                  default_url);

[dmichael (off chromium), 2012/08/08 22:24:02]

style nit: when you have to go multi-line, you should add curly braces (even for
a single statement)

[Tom Finegan, 2012/08/09 22:45:17]

Done.

+}
+
+void KeyError(PP_Instance instance,
+              PP_Var key_system,
+              PP_Var session_id,
+              int32_t media_error,
+              int32_t system_error) {
+  EnterInstance enter(instance);
+  if (enter.succeeded())
+    enter.functions()->KeyError(instance, key_system, session_id, media_error,
+                                system_error);
+}
+
+void DeliverBlock(PP_Instance instance,
+                  PP_Resource decrypted_block,
+                  uint64_t request_id) {
+  EnterInstance enter(instance);
+  if (enter.succeeded())
+    enter.functions()->DeliverBlock(instance, decrypted_block, request_id);
+}
+
+void DeliverFrame(PP_Instance instance,
+                  PP_Resource decrypted_frame,
+                  uint64_t request_id) {
+  EnterInstance enter(instance);
+  if (enter.succeeded())
+    enter.functions()->DeliverFrame(instance, decrypted_frame, request_id);
+}
+
+void DeliverSamples(PP_Instance instance,
+                    PP_Resource decrypted_samples,
+                    uint64_t request_id) {
+  EnterInstance enter(instance);
+  if (enter.succeeded())
+    enter.functions()->DeliverSamples(instance, decrypted_samples, request_id);
+}
+
+const PPB_ContentDecryptor_Dev g_ppb_decryption_thunk = {
+  &NeedKey,
+  &KeyAdded,
+  &KeyMessage,
+  &KeyError,
+  &DeliverBlock,
+  &DeliverFrame,
+  &DeliverSamples
+};
+
+}  // namespace
+
+const PPB_ContentDecryptor_Dev* GetPPB_ContentDecryptor_Dev_0_1_Thunk() {
+  return &g_ppb_decryption_thunk;
+}
+
+}  // namespace thunk
+}  // namespace ppapi