1 files changed, 18 insertions, 3 deletions
diff --git a/ppapi/shared_impl/resource_object_base.h b/ppapi/shared_impl/resource_object_base.h
index 1a87360..05ed923 100644
--- a/ppapi/shared_impl/resource_object_base.h
+++ b/ppapi/shared_impl/resource_object_base.h
@@ -8,16 +8,20 @@
 namespace ppapi {
 
 namespace thunk {
+class PPB_Audio_API;
+class PPB_AudioConfig_API;
+class PPB_AudioTrusted_API;
 class PPB_Font_API;
 class PPB_Graphics2D_API;
 class PPB_ImageData_API;
 }
 
-namespace shared_impl {
-
 class ResourceObjectBase {
  public:
 
+  virtual thunk::PPB_Audio_API* AsAudio_API() { return NULL; }
+  virtual thunk::PPB_AudioConfig_API* AsAudioConfig_API() { return NULL; }
+  virtual thunk::PPB_AudioTrusted_API* AsAudioTrusted_API() { return NULL; }
   virtual thunk::PPB_Font_API* AsFont_API() { return NULL; }
   virtual thunk::PPB_Graphics2D_API* AsGraphics2D_API() { return NULL; }
   virtual thunk::PPB_ImageData_API* AsImageData_API() { return NULL; }
@@ -26,6 +30,18 @@ class ResourceObjectBase {
 };
 
 template<>
+inline thunk::PPB_Audio_API* ResourceObjectBase::GetAs() {
+  return AsAudio_API();
+}
+template<>
+inline thunk::PPB_AudioConfig_API* ResourceObjectBase::GetAs() {
+  return AsAudioConfig_API();
+}
+template<>
+inline thunk::PPB_AudioTrusted_API* ResourceObjectBase::GetAs() {
+  return AsAudioTrusted_API();
+}
+template<>
 inline thunk::PPB_Font_API* ResourceObjectBase::GetAs() {
   return AsFont_API();
 }
@@ -38,7 +54,6 @@ inline thunk::PPB_ImageData_API* ResourceObjectBase::GetAs() {
   return AsImageData_API();
 }
 
-}  // namespace shared_impl
 }  // namespace ppapi
 
 #endif  // PPAPI_SHARED_IMPL_RESOURCE_OBJECT_BASE_H_