Check for specific PPB versions in C++ wrappers.

ppapi/cpp/audio.cc

Index: ppapi/cpp/audio.cc
diff --git a/ppapi/cpp/audio.cc b/ppapi/cpp/audio.cc
index fc7c55a756243eecb56c602f84e8dec8f7ccc4a2..9aae227689ab85c26758bfd5398a02faa9dc5d10 100644
--- a/ppapi/cpp/audio.cc
+++ b/ppapi/cpp/audio.cc
@@ -11,8 +11,8 @@ namespace pp {
 
 namespace {
 
-template <> const char* interface_name<PPB_Audio>() {
-  return PPB_AUDIO_INTERFACE;
+template <> const char* interface_name<PPB_Audio_1_0>() {
+  return PPB_AUDIO_INTERFACE_1_0;
 }
 
 }  // namespace
@@ -22,21 +22,20 @@ Audio::Audio(const InstanceHandle& instance,
              PPB_Audio_Callback callback,
              void* user_data)
     : config_(config) {
-  if (has_interface<PPB_Audio>()) {
-    PassRefFromConstructor(get_interface<PPB_Audio>()->Create(
+  if (has_interface<PPB_Audio_1_0>()) {
+    PassRefFromConstructor(get_interface<PPB_Audio_1_0>()->Create(
         instance.pp_instance(), config.pp_resource(), callback, user_data));
   }
 }
 
 bool Audio::StartPlayback() {
-  return has_interface<PPB_Audio>() &&
-      get_interface<PPB_Audio>()->StartPlayback(pp_resource());
+  return has_interface<PPB_Audio_1_0>() &&
+      get_interface<PPB_Audio_1_0>()->StartPlayback(pp_resource());
 }
 
 bool Audio::StopPlayback() {
-  return has_interface<PPB_Audio>() &&
-      get_interface<PPB_Audio>()->StopPlayback(pp_resource());
+  return has_interface<PPB_Audio_1_0>() &&
+      get_interface<PPB_Audio_1_0>()->StopPlayback(pp_resource());
 }
 
 }  // namespace pp
-