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..4e57ccee6598ac6efdc198181950446d4e101c13 100644
--- a/gpu/command_buffer/client/gles2_cmd_helper.h
+++ b/gpu/command_buffer/client/gles2_cmd_helper.h
@@ -70,6 +70,19 @@ class GPU_EXPORT GLES2CmdHelper : public CommandBufferHelper {
     }
   }
 
+  void CreateAndConsumeTextureCHROMIUMImmediate(GLenum target,
+                                                uint32_t client_id,
+                                                const GLbyte* _mailbox) {
+    const uint32_t size =
+        gles2::cmds::CreateAndConsumeTextureCHROMIUMImmediate::ComputeSize();
+    gles2::cmds::CreateAndConsumeTextureCHROMIUMImmediate* c =
+        GetImmediateCmdSpaceTotalSize<
+            gles2::cmds::CreateAndConsumeTextureCHROMIUMImmediate>(size);
+    if (c) {
+      c->Init(target, client_id, _mailbox);
+    }
+  }
+
  private:
   DISALLOW_COPY_AND_ASSIGN(GLES2CmdHelper);
 };