Add PPAPI decryptor implementation.

ppapi/proxy/interface_list.cc

Index: ppapi/proxy/interface_list.cc
diff --git a/ppapi/proxy/interface_list.cc b/ppapi/proxy/interface_list.cc
index fbd59c3be5da86d2d0fe3e82d45d9ee7220db622..fd7256ae3a7aa2572191e817a1b59ebc06bf9af9 100644
--- a/ppapi/proxy/interface_list.cc
+++ b/ppapi/proxy/interface_list.cc
@@ -50,6 +50,7 @@
 #include "ppapi/c/ppb_view.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/ppp_instance.h"
+#include "ppapi/c/private/ppb_content_decryptor_private.h"
 #include "ppapi/c/private/ppb_file_ref_private.h"
 #include "ppapi/c/private/ppb_flash_clipboard.h"
 #include "ppapi/c/private/ppb_flash_file.h"
@@ -68,6 +69,7 @@
 #include "ppapi/c/private/ppb_tcp_socket_private.h"
 #include "ppapi/c/private/ppb_udp_socket_private.h"
 #include "ppapi/c/private/ppb_x509_certificate_private.h"
+#include "ppapi/c/private/ppp_content_decryptor_private.h"
 #include "ppapi/c/trusted/ppb_broker_trusted.h"
 #include "ppapi/c/trusted/ppb_browser_font_trusted.h"
 #include "ppapi/c/trusted/ppb_char_set_trusted.h"
@@ -106,6 +108,7 @@
 #include "ppapi/proxy/ppb_video_decoder_proxy.h"
 #include "ppapi/proxy/ppb_x509_certificate_private_proxy.h"
 #include "ppapi/proxy/ppp_class_proxy.h"
+#include "ppapi/proxy/ppp_content_decryptor_private_proxy.h"
 #include "ppapi/proxy/ppp_graphics_3d_proxy.h"
 #include "ppapi/proxy/ppp_input_event_proxy.h"
 #include "ppapi/proxy/ppp_instance_private_proxy.h"
@@ -244,6 +247,14 @@ InterfaceList::InterfaceList() {
   AddPPP(PPP_TEXTINPUT_DEV_INTERFACE, API_ID_PPP_TEXT_INPUT,
          PPP_TextInput_Proxy::GetProxyInterface());
 
+  // TODO(tomfinegan): Figure out where to put these once we refactor things
+  // to load the PPP interface struct from the PPB interface.
+  AddProxy(API_ID_PPP_CONTENT_DECRYPTOR_PRIVATE,
+           &ProxyFactory<PPP_ContentDecryptor_Private_Proxy>);
+  AddPPP(PPP_CONTENTDECRYPTOR_PRIVATE_INTERFACE,
+         API_ID_PPP_CONTENT_DECRYPTOR_PRIVATE,
+         PPP_ContentDecryptor_Private_Proxy::GetProxyInterface());
+
   // Old-style GetInfo PPP interfaces.
   // Do not add more stuff here, they should be added to interface_list*.h
   // TODO(brettw) remove these.