Add CommandBuffer::SetGetBuffer

ppapi/c/dev/ppb_context_3d_trusted_dev.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef PPAPI_C_DEV_PPB_CONTEXT_3D_TRUSTED_DEV_H_
 #define PPAPI_C_DEV_PPB_CONTEXT_3D_TRUSTED_DEV_H_
 
 #include "ppapi/c/dev/ppb_context_3d_dev.h"
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_instance.h"
@@ skipping 44 matching lines @@
 struct PPB_Context3DTrusted_Dev {
   // Creates a raw Context3D resource. A raw Context3D is intended to be used
   // with the trusted interface, through the command buffer (for proxying). In
   // particular, when a Surface3D is bound to a raw context, SwapBuffers has no
   // effect.
   PP_Resource (*CreateRaw)(PP_Instance instance_id,
                            PP_Config3D_Dev config,
                            PP_Resource share_context,
                            const int32_t* attrib_list);
 
-  // Initializes the command buffer with the given size.
-  PP_Bool (*Initialize)(PP_Resource context_id, int32_t size);
-
-  // Gets the ring buffer for the command buffer.
-  PP_Bool (*GetRingBuffer)(PP_Resource context_id,
-                           int* shm_handle,
-                           uint32_t* shm_size);
+  // Initializes the command buffer.
+  PP_Bool (*Initialize)(PP_Resource context_id);
 
   // Returns the current state.
   struct PP_Context3DTrustedState (*GetState)(PP_Resource context);
 
   // The writer calls this to update its put offset.
   PP_Bool (*Flush)(PP_Resource context, int32_t put_offset);
 
 
   // The writer calls this to update its put offset. This function returns the
   // reader's most recent get offset. Does not return until after the put offset
@@ skipping 17 matching lines @@
   // Like FlushSync, but returns before processing commands if the get offset is
   // different than last_known_get. Allows synchronization with the command
   // processor without forcing immediate command execution.
   struct PP_Context3DTrustedState (*FlushSyncFast)(PP_Resource context,
                                                    int32_t put_offset,
                                                    int32_t last_known_get);
 };
 
 #endif  // PPAPI_C_DEV_PPB_CONTEXT_3D_TRUSTED_DEV_H_