Add decoder de-initialize and reset to the Pepper CDM API.

ppapi/cpp/private/content_decryptor_private.cc

Index: ppapi/cpp/private/content_decryptor_private.cc
diff --git a/ppapi/cpp/private/content_decryptor_private.cc b/ppapi/cpp/private/content_decryptor_private.cc
index 7dbce34d6edd45da8fe101a2a2928e754f98d61e..8890da6ddcb3f463a20a00d9c791a6da95ecd7ee 100644
--- a/ppapi/cpp/private/content_decryptor_private.cc
+++ b/ppapi/cpp/private/content_decryptor_private.cc
@@ -105,6 +105,29 @@ void Decrypt(PP_Instance instance,
       *encrypted_block_info);
 }
 
+void DeinitializeDecoder(PP_Instance instance,
+                         PP_StreamType decoder_type,
+                         uint32_t request_id) {
+  void* object =
+      Instance::GetPerInstanceObject(instance, kPPPContentDecryptorInterface);
+  if (!object)
+    return;
+  static_cast<ContentDecryptor_Private*>(object)->DeinitializeDecoder(
+      decoder_type,
+      request_id);
+}
+
+void ResetDecoder(PP_Instance instance,
+                  PP_StreamType decoder_type,
+                  uint32_t request_id) {
+  void* object =
+      Instance::GetPerInstanceObject(instance, kPPPContentDecryptorInterface);
+  if (!object)
+    return;
+  static_cast<ContentDecryptor_Private*>(object)->ResetDecoder(decoder_type,
+                                                               request_id);
+}
+
 void DecryptAndDecodeFrame(
     PP_Instance instance,
     PP_Resource encrypted_resource,
@@ -126,6 +149,8 @@ const PPP_ContentDecryptor_Private ppp_content_decryptor = {
   &AddKey,
   &CancelKeyRequest,
   &Decrypt,
+  &DeinitializeDecoder,
+  &ResetDecoder,
   &DecryptAndDecodeFrame
 };
 
@@ -220,6 +245,27 @@ void ContentDecryptor_Private::DeliverBlock(
   }
 }
 
+void ContentDecryptor_Private::DecoderDeinitializeDone(
+    PP_StreamType decoder_type,
+    uint32_t request_id) {
+  if (has_interface<PPB_ContentDecryptor_Private>()) {
+    get_interface<PPB_ContentDecryptor_Private>()->DecoderDeinitializeDone(
+        associated_instance_.pp_instance(),
+        decoder_type,
+        request_id);
+  }
+}
+
+void ContentDecryptor_Private::DecoderResetDone(PP_StreamType decoder_type,
+                                                uint32_t request_id) {
+  if (has_interface<PPB_ContentDecryptor_Private>()) {
+    get_interface<PPB_ContentDecryptor_Private>()->DecoderResetDone(
+        associated_instance_.pp_instance(),
+        decoder_type,
+        request_id);
+  }
+}
+
 void ContentDecryptor_Private::DeliverFrame(
     pp::Buffer_Dev decrypted_frame,
     const PP_DecryptedFrameInfo& decrypted_frame_info) {