Adding bindless variants mailbox produce/consume

gpu/command_buffer/client/gles2_cmd_helper.h

Index: gpu/command_buffer/client/gles2_cmd_helper.h
diff --git a/gpu/command_buffer/client/gles2_cmd_helper.h b/gpu/command_buffer/client/gles2_cmd_helper.h
index 72fae315b34cea442b1b1e4e24e4f4872072bf05..79ff74c64e75d075b89315e997d9ce4acd5586c3 100644
--- a/gpu/command_buffer/client/gles2_cmd_helper.h
+++ b/gpu/command_buffer/client/gles2_cmd_helper.h
@@ -70,6 +70,16 @@ class GPU_EXPORT GLES2CmdHelper : public CommandBufferHelper {
     }
   }
 
+  void GetCreateAndConsumeTextureCHROMIUMBucket(
+      GLuint program, uint32 name_bucket_id,
+      uint32 location_shm_id, uint32 location_shm_offset) {
+    gles2::cmds::GetUniformLocationBucket* c =
+        GetCmdSpace<gles2::cmds::GetUniformLocationBucket>();
+    if (c) {
+      c->Init(program, name_bucket_id, location_shm_id, location_shm_offset);
+    }
+  }
+
  private:
   DISALLOW_COPY_AND_ASSIGN(GLES2CmdHelper);
 };