Add CommandBuffer::SetGetBuffer

ppapi/thunk/ppb_context_3d_trusted_thunk.cc

Index: ppapi/thunk/ppb_context_3d_trusted_thunk.cc
diff --git a/ppapi/thunk/ppb_context_3d_trusted_thunk.cc b/ppapi/thunk/ppb_context_3d_trusted_thunk.cc
index 312898a6fa789a77b89912c22aa1a9feba8f10e3..9def598fe28c11ff98461e0510269ca46263091e 100644
--- a/ppapi/thunk/ppb_context_3d_trusted_thunk.cc
+++ b/ppapi/thunk/ppb_context_3d_trusted_thunk.cc
@@ -31,20 +31,11 @@ PP_Resource CreateRaw(PP_Instance instance,
                                                attrib_list);
 }
 
-PP_Bool Initialize(PP_Resource context, int32_t size) {
+PP_Bool Initialize(PP_Resource context) {
   EnterContext3D enter(context, true);
   if (enter.failed())
     return PP_FALSE;
-  return enter.object()->InitializeTrusted(size);
-}
-
-PP_Bool GetRingBuffer(PP_Resource context,
-                      int* shm_handle,
-                      uint32_t* shm_size) {
-  EnterContext3D enter(context, true);
-  if (enter.failed())
-    return PP_FALSE;
-  return enter.object()->GetRingBuffer(shm_handle, shm_size);
+  return enter.object()->InitializeTrusted();
 }
 
 PP_Context3DTrustedState GetState(PP_Resource context) {
@@ -104,7 +95,6 @@ PP_Context3DTrustedState FlushSyncFast(PP_Resource context,
 const PPB_Context3DTrusted_Dev g_ppb_context_3d_trusted_thunk = {
   &CreateRaw,
   &Initialize,
-  &GetRingBuffer,
   &GetState,
   &Flush,
   &FlushSync,