Remove src/trusted/plugin

src/trusted/plugin/dylib_unittest.h

-// Copyright 2010 The Native Client Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can
-// be found in the LICENSE file.
-
-// Functions for dynamically loading the trusted plugin when running unit
-// tests.
-
-#ifndef NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_DYLIB_UNITTEST_H_
-#define NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_DYLIB_UNITTEST_H_
-
-#if NACL_WINDOWS
-#include <windows.h>
-typedef HINSTANCE DylibHandle;
-typedef void (*SymbolHandle)();
-#else
-#include <dlfcn.h>
-#include <inttypes.h>
-typedef void* DylibHandle;
-// uintptr_t is used here because ISO C++ won't allow casting from a void*
-// (the return type of dlsym()) to a pointer-to-function.  Instead,
-// GetSymbolHandle() returns a uintptr_t which can then be cast into a pointer-
-// to-function.  This depends on uintptr_t being the same size (or larger than)
-// void*.
-typedef uintptr_t SymbolHandle;
-#endif
-
-// Load the dynamic library at |lib_path|.  Returns NULL on error.
-DylibHandle DylibOpen(const char* lib_path);
-
-// Close the dynamic library and free all the system resources associated with
-// it.  Returns |true| on success.
-bool DylibClose(DylibHandle dl_handle);
-
-// Return a handle to the symbol named |name| in the library represented by
-// |dl_handle|.  Returns NULL ff the symbol does not exist, or some other error
-// occurs.
-SymbolHandle GetSymbolHandle(DylibHandle dl_handle, const char* name);
-
-#endif  // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_DYLIB_UNITTEST_H_