Update from https://crrev.com/303153

gpu/ipc/gpu_command_buffer_traits.cc

Index: gpu/ipc/gpu_command_buffer_traits.cc
diff --git a/gpu/ipc/gpu_command_buffer_traits.cc b/gpu/ipc/gpu_command_buffer_traits.cc
index db482a92265461b1930d2b3be9cfa73a6e08ee2e..46395fba97dba499a6a4d75771bf52e6d8d5a64b 100644
--- a/gpu/ipc/gpu_command_buffer_traits.cc
+++ b/gpu/ipc/gpu_command_buffer_traits.cc
@@ -9,9 +9,7 @@ namespace IPC {
 
 void ParamTraits<gpu::CommandBuffer::State> ::Write(Message* m,
                                                     const param_type& p) {
-  WriteParam(m, p.num_entries);
   WriteParam(m, p.get_offset);
-  WriteParam(m, p.put_offset);
   WriteParam(m, p.token);
   WriteParam(m, static_cast<int32>(p.error));
   WriteParam(m, p.generation);
@@ -21,9 +19,7 @@ bool ParamTraits<gpu::CommandBuffer::State> ::Read(const Message* m,
                                                    PickleIterator* iter,
                                                    param_type* p) {
   int32 temp;
-  if (ReadParam(m, iter, &p->num_entries) &&
-      ReadParam(m, iter, &p->get_offset) &&
-      ReadParam(m, iter, &p->put_offset) &&
+  if (ReadParam(m, iter, &p->get_offset) &&
       ReadParam(m, iter, &p->token) &&
       ReadParam(m, iter, &temp) &&
       ReadParam(m, iter, &p->generation)) {