Use of base::StringPairs appropriately in nacl.

components/nacl/renderer/json_manifest.h

 // Copyright 2014 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.
 
 #ifndef COMPONENTS_NACL_RENDERER_JSON_MANIFEST_H
 #define COMPONENTS_NACL_RENDERER_JSON_MANIFEST_H
 
 #include <set>
 #include <string>
 #include <utility>
 
+#include "base/strings/string_split.h"
 #include "components/nacl/renderer/ppb_nacl_private.h"
 #include "ppapi/c/pp_array_output.h"
 #include "third_party/jsoncpp/source/include/json/value.h"
 
 namespace nacl {
 class JsonManifest;
 class NexeLoadManager;
 
 class JsonManifest {
  public:
@@ skipping 13 matching lines @@
 
   // Gets the full program URL for the current sandbox ISA from the
   // manifest file.
   bool GetProgramURL(std::string* full_url,
                      PP_PNaClOptions* pnacl_options,
                      bool* uses_nonsfi_mode,
                      ErrorInfo* error_info) const;
 
   // Gets all the keys and their URLs in the "files" section that are
   // prefetchable.
-  void GetPrefetchableFiles(
-      std::vector<std::pair<std::string, std::string> >* out_files) const;
+  void GetPrefetchableFiles(base::StringPairs* out_files) const;
 
   // Resolves a key from the "files" section to a fully resolved URL,
   // i.e., relative URL values are fully expanded relative to the
   // manifest's URL (via ResolveURL).
   // If there was an error, details are reported via error_info.
   bool ResolveKey(const std::string& key,
                   std::string* full_url,
                   PP_PNaClOptions* pnacl_options) const;
 
  private:
@@ skipping 14 matching lines @@
   bool nonsfi_enabled_;
   bool pnacl_debug_;
 
   // The dictionary of manifest information parsed in Init().
   Json::Value dictionary_;
 };
 
 }  // namespace nacl
 
 #endif  // COMPONENTS_NACL_RENDERER_JSON_MANIFEST_H