Remove browser support for non-PPAPI nexes

ppapi/native_client/src/trusted/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 NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_SRPC_PARAMS_H
+#define NATIVE_CLIENT_SRC_TRUSTED_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() : exception_string_(NULL) {
+    memset(ins_, 0, sizeof(ins_));
+    memset(outs_, 0, sizeof(outs_));
+  }
+
+  SrpcParams(const char* in_types, const char* out_types)
+      : exception_string_(NULL) {
+    if (!Init(in_types, out_types)) {
+      FreeAll();
+    }
+  }
+
+  ~SrpcParams() {
+    FreeAll();
+    free(exception_string_);
+  }
+
+  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_); }
+
+  char* exception_string() const { return exception_string_; }
+  void set_exception_string(const char* msg) {
+    exception_string_ = STRDUP(msg);

[jvoung - send to chromium..., 2012/02/15 08:28:17]

Should this check if a previous exception_string was already set to avoid
leaking mem?

Actually, I'm not sure if set_exception_string, etc. are even used anymore?
It looks like use of exception_string() from scriptable handle was removed.

[sehr (please use chromium), 2012/02/15 17:58:10]

Good catch.  Removed.

+  }
+
+ 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];
+  char* exception_string_;
+};
+
+}  // namespace plugin
+
+#endif  // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_SRPC_PARAMS_H