Trusted plugin: Remove EnumerateManifestKeys.

ppapi/native_client/src/trusted/plugin/service_runtime.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.
  */
 
 #define NACL_LOG_MODULE_NAME "Plugin_ServiceRuntime"
 
 #include "ppapi/native_client/src/trusted/plugin/service_runtime.h"
 
@@ skipping 166 matching lines @@
 void PluginReverseInterface::PostMessage_MainThreadContinuation(
     PostMessageResource* p,
     int32_t err) {
   UNREFERENCED_PARAMETER(err);
   NaClLog(4,
           "PluginReverseInterface::PostMessage_MainThreadContinuation(%s)\n",
           p->message.c_str());
   plugin_->PostMessage(std::string("DEBUG_POSTMESSAGE:") + p->message);
 }
 
-bool PluginReverseInterface::EnumerateManifestKeys(
-    std::set<nacl::string>* out_keys) {
-  return manifest_->GetFileKeys(out_keys);
-}
-
 // TODO(bsy): OpenManifestEntry should use the manifest to ResolveKey
 // and invoke StreamAsFile with a completion callback that invokes
 // GetPOSIXFileDesc.
 bool PluginReverseInterface::OpenManifestEntry(nacl::string url_key,
                                                struct NaClFileInfo* info) {
   bool op_complete = false;  // NB: mu_ and cv_ also controls access to this!
   // The to_open object is owned by the weak ref callback. Because this function
   // waits for the callback to finish, the to_open object will be deallocated on
   // the main thread before this function can return. The pointers it contains
   // to stack variables will not leak.
@@ skipping 599 matching lines @@
 
 nacl::string ServiceRuntime::GetCrashLogOutput() {
   if (NULL != subprocess_.get()) {
     return subprocess_->GetCrashLogOutput();
   } else {
     return std::string();
   }
 }
 
 }  // namespace plugin