Provide GN support for cachetool and content_decoder_tool

net/tools/cachetool/cachetool.cc

 // Copyright 2016 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.
 
 #include <iostream>
 
 #include "base/at_exit.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_number_conversions.h"
-#include "base/strings/utf_string_conversions.h"
 #include "net/base/io_buffer.h"
 #include "net/base/test_completion_callback.h"
 #include "net/disk_cache/disk_cache.h"
 #include "net/http/http_cache.h"
 #include "net/http/http_response_headers.h"
 #include "net/http/http_util.h"
 
 using disk_cache::Backend;
 using disk_cache::Entry;
 
@@ skipping 100 matching lines @@
 
 }  // namespace
 
 int main(int argc, char* argv[]) {
   base::AtExitManager at_exit_manager;
   base::MessageLoopForIO message_loop;
   base::CommandLine::Init(argc, argv);
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
 
-#if defined(OS_WIN)
-  std::vector<std::string> args;
-  base::CommandLine::StringVector wide_args = command_line.GetArgs();
-  for (const auto& arg : wide_args) {
-    args.push_back(base::WideToUTF8(arg));
-  }
-#else
   base::CommandLine::StringVector args = command_line.GetArgs();
-#endif
   if (args.size() < 3U) {
     PrintHelp();
     return 1;
   }
 
-#if defined(OS_WIN)
-  base::FilePath cache_path(wide_args[0]);
-#else
   base::FilePath cache_path(args[0]);
-#endif
   std::string cache_backend_type(args[1]);
   std::string subcommand(args[2]);
 
   net::BackendType backend_type;
   if (cache_backend_type == "simple") {
     backend_type = net::CACHE_BACKEND_SIMPLE;
   } else if (cache_backend_type == "blockfile") {
     backend_type = net::CACHE_BACKEND_BLOCKFILE;
   } else {
     std::cerr << "Unknown cache type." << std::endl;
@@ skipping 43 matching lines @@
       return 1;
     }
     std::string key(args[3]);
     successful_command = DeleteKey(cache_backend.get(), key);
   } else {
     std::cerr << "Unknown subcommand." << std::endl;
     PrintHelp();
   }
   return !successful_command;
 }