Completed the implementation for PPB_Graphics3D interface. Mostly copied from the implementations...

ppapi/proxy/ppapi_messages.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.
 
 // Multiply-included message header, no traditional include guard.
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
@@ skipping 184 matching lines @@
                     uint32 /* plugin_dispatcher_id */,
                     uint32 /* socket_id */,
                     bool /* succeeded */,
                     int32_t /* bytes_written */)
 
 // PPB_Graphics2D.
 IPC_MESSAGE_ROUTED2(PpapiMsg_PPBGraphics2D_FlushACK,
                     pp::proxy::HostResource /* graphics_2d */,
                     int32_t /* pp_error */)
 
+// PPB_Graphics3D.
+IPC_MESSAGE_ROUTED2(PpapiMsg_PPBGraphics3D_SwapBuffersACK,
+                    pp::proxy::HostResource /* surface_3d */,
+                    int32_t /* pp_error */)
+
 // PPB_Surface3D.
 IPC_MESSAGE_ROUTED2(PpapiMsg_PPBSurface3D_SwapBuffersACK,
                     pp::proxy::HostResource /* surface_3d */,
                     int32_t /* pp_error */)
 
 // PPP_Class.
 IPC_SYNC_MESSAGE_ROUTED3_2(PpapiMsg_PPPClass_HasProperty,
                            int64 /* ppp_class */,
                            int64 /* object */,
                            pp::proxy::SerializedVar /* property */,
@@ skipping 414 matching lines @@
                     pp::proxy::HostResource /* graphics_2d */,
                     bool /* clip_specified */,
                     PP_Rect /* clip */,
                     PP_Point /* amount */)
 IPC_MESSAGE_ROUTED2(PpapiHostMsg_PPBGraphics2D_ReplaceContents,
                     pp::proxy::HostResource /* graphics_2d */,
                     pp::proxy::HostResource /* image_data */)
 IPC_MESSAGE_ROUTED1(PpapiHostMsg_PPBGraphics2D_Flush,
                     pp::proxy::HostResource /* graphics_2d */)
 
+// PPB_Graphics3D.
+IPC_SYNC_MESSAGE_ROUTED3_1(PpapiHostMsg_PPBGraphics3D_Create,
+                           PP_Instance /* instance */,
+                           int32_t /* config */,
+                           std::vector<int32_t> /* attrib_list */,
+                           pp::proxy::HostResource /* result */)
+
+IPC_SYNC_MESSAGE_ROUTED2_1(PpapiHostMsg_PPBGraphics3D_InitCommandBuffer,
+                           pp::proxy::HostResource /* context */,
+                           int32 /* size */,
+                           base::SharedMemoryHandle /* ring_buffer */)
+
+IPC_SYNC_MESSAGE_ROUTED1_1(PpapiHostMsg_PPBGraphics3D_GetState,
+                           pp::proxy::HostResource /* context */,
+                           gpu::CommandBuffer::State /* state */)
+
+IPC_SYNC_MESSAGE_ROUTED3_1(PpapiHostMsg_PPBGraphics3D_Flush,
+                           pp::proxy::HostResource /* context */,
+                           int32 /* put_offset */,
+                           int32 /* last_known_get */,
+                           gpu::CommandBuffer::State /* state */)
+
+IPC_MESSAGE_ROUTED2(PpapiHostMsg_PPBGraphics3D_AsyncFlush,
+                    pp::proxy::HostResource /* context */,
+                    int32 /* put_offset */)
+
+IPC_SYNC_MESSAGE_ROUTED2_1(PpapiHostMsg_PPBGraphics3D_CreateTransferBuffer,
+                           pp::proxy::HostResource /* context */,
+                           int32 /* size */,
+                           int32 /* id */)
+
+IPC_SYNC_MESSAGE_ROUTED2_0(PpapiHostMsg_PPBGraphics3D_DestroyTransferBuffer,
+                           pp::proxy::HostResource /* context */,
+                           int32 /* id */)
+
+IPC_SYNC_MESSAGE_ROUTED2_2(PpapiHostMsg_PPBGraphics3D_GetTransferBuffer,
+                           pp::proxy::HostResource /* context */,
+                           int32 /* id */,
+                           base::SharedMemoryHandle /* transfer_buffer */,
+                           uint32 /* size */)
+
+IPC_MESSAGE_ROUTED1(PpapiHostMsg_PPBGraphics3D_SwapBuffers,
+                    pp::proxy::HostResource /* graphics_3d */)
+
 // PPB_Instance.
 IPC_SYNC_MESSAGE_ROUTED1_1(PpapiHostMsg_PPBInstance_GetWindowObject,
                            PP_Instance /* instance */,
                            pp::proxy::SerializedVar /* result */)
 IPC_SYNC_MESSAGE_ROUTED1_1(PpapiHostMsg_PPBInstance_GetOwnerElementObject,
                            PP_Instance /* instance */,
                            pp::proxy::SerializedVar /* result */)
 IPC_SYNC_MESSAGE_ROUTED2_1(PpapiHostMsg_PPBInstance_BindGraphics,
                            PP_Instance /* instance */,
                            pp::proxy::HostResource /* device */,
@@ skipping 203 matching lines @@
                            PP_Bool /* is_always_opaque */,
                            pp::proxy::HostResource /* result */)
 IPC_SYNC_MESSAGE_ROUTED4_3(PpapiHostMsg_ResourceCreation_ImageData,
                            PP_Instance /* instance */,
                            int32 /* format */,
                            PP_Size /* size */,
                            PP_Bool /* init_to_zero */,
                            pp::proxy::HostResource /* result_resource */,
                            std::string /* image_data_desc */,
                            pp::proxy::ImageHandle /* result */)