Remove some unused NaCl srpc methods (AttachService, ctor variant)

components/nacl/renderer/plugin/srpc_params.h

 // 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.
 
 // Parameter types for SRPC Invocation.
 
 #ifndef COMPONENTS_NACL_RENDERER_PLUGIN_SRPC_PARAMS_H
 #define COMPONENTS_NACL_RENDERER_PLUGIN_SRPC_PARAMS_H
 
 #include "native_client/src/include/nacl_macros.h"
 #include "native_client/src/include/portability_string.h"
 #include "native_client/src/shared/srpc/nacl_srpc.h"
 
 namespace plugin {
 
 // A utility class that builds and deletes parameter vectors used in rpcs.
 class SrpcParams {
  public:
   SrpcParams() {
     memset(ins_, 0, sizeof(ins_));
     memset(outs_, 0, sizeof(outs_));
   }
 
-  SrpcParams(const char* in_types, const char* out_types) {
-    if (!Init(in_types, out_types)) {
-      FreeAll();
-    }
-  }
-
   ~SrpcParams() {
     FreeAll();
   }
 
   bool Init(const char* in_types, const char* out_types);
 
   NaClSrpcArg** ins() const { return const_cast<NaClSrpcArg**>(ins_); }
   NaClSrpcArg** outs() const { return const_cast<NaClSrpcArg**>(outs_); }
 
  private:
   NACL_DISALLOW_COPY_AND_ASSIGN(SrpcParams);
   void FreeAll();
   // The ins_ and outs_ arrays contain one more element, to hold a NULL pointer
   // to indicate the end of the list.
   NaClSrpcArg* ins_[NACL_SRPC_MAX_ARGS + 1];
   NaClSrpcArg* outs_[NACL_SRPC_MAX_ARGS + 1];
 };
 
 }  // namespace plugin
 
 #endif  // COMPONENTS_NACL_RENDERER_PLUGIN_SRPC_PARAMS_H