NaCl cleanup: Remove SrpcParams and SrpcClient, which are unused now

components/nacl/renderer/plugin/srpc_params.cc

-/*
- * Copyright (c) 2012 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.
- */
-
-
-#include "components/nacl/renderer/plugin/srpc_params.h"
-
-#include <stddef.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "native_client/src/shared/srpc/nacl_srpc.h"
-
-
-namespace plugin {
-
-namespace {
-
-bool FillVec(NaClSrpcArg* vec[], const char* types) {
-  const size_t kLength = strlen(types);
-  if (kLength > NACL_SRPC_MAX_ARGS) {
-    return false;
-  }
-  // We use malloc/new here rather than new/delete, because the SRPC layer
-  // is written in C and hence will use malloc/free.
-  // This array will get deallocated by FreeArguments().
-  if (kLength > 0) {
-    NaClSrpcArg* args =
-      reinterpret_cast<NaClSrpcArg*>(malloc(kLength * sizeof(*args)));
-    if (NULL == args) {
-      return false;
-    }
-
-    memset(static_cast<void*>(args), 0, kLength * sizeof(*args));
-    for (size_t i = 0; i < kLength; ++i) {
-      vec[i] = &args[i];
-      args[i].tag = static_cast<NaClSrpcArgType>(types[i]);
-    }
-  }
-  vec[kLength] = NULL;
-  return true;
-}
-
-void FreeSrpcArg(NaClSrpcArg* arg) {
-  switch (arg->tag) {
-    case NACL_SRPC_ARG_TYPE_CHAR_ARRAY:
-      free(arg->arrays.carr);
-      break;
-    case NACL_SRPC_ARG_TYPE_DOUBLE_ARRAY:
-      free(arg->arrays.darr);
-      break;
-    case NACL_SRPC_ARG_TYPE_HANDLE:
-      break;
-    case NACL_SRPC_ARG_TYPE_INT_ARRAY:
-      free(arg->arrays.iarr);
-      break;
-    case NACL_SRPC_ARG_TYPE_LONG_ARRAY:
-      free(arg->arrays.larr);
-      break;
-    case NACL_SRPC_ARG_TYPE_STRING:
-      // All strings that are passed in SrpcArg must be allocated using
-      // malloc! We cannot use browser's allocation API
-      // since some of SRPC arguments is handled outside of the plugin code.
-      free(arg->arrays.str);
-      break;
-    case NACL_SRPC_ARG_TYPE_VARIANT_ARRAY:
-      if (arg->arrays.varr) {
-        for (uint32_t i = 0; i < arg->u.count; i++) {
-          FreeSrpcArg(&arg->arrays.varr[i]);
-        }
-      }
-      break;
-    case NACL_SRPC_ARG_TYPE_OBJECT:
-      // This is a pointer to a scriptable object and should be released
-      // by the browser
-      break;
-    case NACL_SRPC_ARG_TYPE_BOOL:
-    case NACL_SRPC_ARG_TYPE_DOUBLE:
-    case NACL_SRPC_ARG_TYPE_INT:
-    case NACL_SRPC_ARG_TYPE_LONG:
-    case NACL_SRPC_ARG_TYPE_INVALID:
-    default:
-      break;
-  }
-}
-
-void FreeArguments(NaClSrpcArg* vec[]) {
-  if (NULL == vec[0]) {
-    return;
-  }
-  for (NaClSrpcArg** argp = vec; *argp; ++argp) {
-    FreeSrpcArg(*argp);
-  }
-  // Free the vector containing the arguments themselves that was
-  // allocated with FillVec().
-  free(vec[0]);
-}
-
-}  // namespace
-
-bool SrpcParams::Init(const char* in_types, const char* out_types) {
-  if (!FillVec(ins_, in_types)) {
-    return false;
-  }
-  if (!FillVec(outs_, out_types)) {
-    FreeArguments(ins_);
-    return false;
-  }
-  return true;
-}
-
-void SrpcParams::FreeAll() {
-  FreeArguments(ins_);
-  FreeArguments(outs_);
-  memset(ins_, 0, sizeof(ins_));
-  memset(outs_, 0, sizeof(outs_));
-}
-
-}  // namespace plugin