NaCl: Remove unused file string_encoding.cc

ppapi/native_client/src/trusted/plugin/plugin.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.
 
 #ifdef _MSC_VER
 // Do not warn about use of std::copy with raw pointers.
 #pragma warning(disable : 4996)
 #endif
 
 #include "native_client/src/trusted/plugin/plugin.h"
@@ skipping 21 matching lines @@
 #include "native_client/src/shared/platform/nacl_check.h"
 #include "native_client/src/shared/ppapi_proxy/browser_ppp.h"
 #include "native_client/src/trusted/desc/nacl_desc_wrapper.h"
 #include "native_client/src/trusted/nonnacl_util/sel_ldr_launcher.h"
 #include "native_client/src/trusted/plugin/json_manifest.h"
 #include "native_client/src/trusted/plugin/nacl_subprocess.h"
 #include "native_client/src/trusted/plugin/nexe_arch.h"
 #include "native_client/src/trusted/plugin/plugin_error.h"
 #include "native_client/src/trusted/plugin/scriptable_plugin.h"
 #include "native_client/src/trusted/plugin/service_runtime.h"
-#include "native_client/src/trusted/plugin/string_encoding.h"
 #include "native_client/src/trusted/plugin/utility.h"
 #include "native_client/src/trusted/service_runtime/nacl_error_code.h"
 
 #include "ppapi/c/dev/ppb_console_dev.h"
 #include "ppapi/c/dev/ppp_find_dev.h"
 #include "ppapi/c/dev/ppp_printing_dev.h"
 #include "ppapi/c/dev/ppp_scrollbar_dev.h"
 #include "ppapi/c/dev/ppp_selection_dev.h"
 #include "ppapi/c/dev/ppp_widget_dev.h"
 #include "ppapi/c/dev/ppp_zoom_dev.h"
@@ skipping 1869 matching lines @@
   typedef void (__cdecl *DumpProcessFunction)();
   // Find the dump function inside chrome.exe and call it.
   DumpProcessFunction request_dump = reinterpret_cast<DumpProcessFunction>(
       ::GetProcAddress(::GetModuleHandle(NULL), "DumpProcessWithoutCrash"));
   if (request_dump)
     request_dump();
 #endif
 }
 
 }  // namespace plugin