Revert of Move JoinString to the base namespace

chrome/common/chrome_content_client.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.
 
 #include "chrome/common/chrome_content_client.h"
 
 #include "base/command_line.h"
 #include "base/debug/crash_logging.h"
 #include "base/files/file_util.h"
 #include "base/json/json_reader.h"
@@ skipping 172 matching lines @@
 
       // Add the supported codecs as if they came from the component manifest.
       std::vector<std::string> codecs;
       codecs.push_back(kCdmSupportedCodecVorbis);
       codecs.push_back(kCdmSupportedCodecVp8);
       codecs.push_back(kCdmSupportedCodecVp9);
 #if defined(USE_PROPRIETARY_CODECS)
       codecs.push_back(kCdmSupportedCodecAac);
       codecs.push_back(kCdmSupportedCodecAvc1);
 #endif  // defined(USE_PROPRIETARY_CODECS)
-      std::string codec_string = base::JoinString(
-          codecs, base::string16(1, kCdmSupportedCodecsValueDelimiter));
+      std::string codec_string =
+          JoinString(codecs, kCdmSupportedCodecsValueDelimiter);
       widevine_cdm_mime_type.additional_param_names.push_back(
           base::ASCIIToUTF16(kCdmSupportedCodecsParamName));
       widevine_cdm_mime_type.additional_param_values.push_back(
           base::ASCIIToUTF16(codec_string));
 
       widevine_cdm.mime_types.push_back(widevine_cdm_mime_type);
       widevine_cdm.permissions = kWidevineCdmPluginPermissions;
       plugins->push_back(widevine_cdm);
 
       skip_widevine_cdm_file_check = true;
@@ skipping 43 matching lines @@
     flash_version_numbers[0] = "11";
   if (flash_version_numbers.size() < 2)
     flash_version_numbers.push_back("2");
   if (flash_version_numbers.size() < 3)
     flash_version_numbers.push_back("999");
   if (flash_version_numbers.size() < 4)
     flash_version_numbers.push_back("999");
   // E.g., "Shockwave Flash 10.2 r154":
   plugin.description = plugin.name + " " + flash_version_numbers[0] + "." +
       flash_version_numbers[1] + " r" + flash_version_numbers[2];
-  plugin.version = base::JoinString(flash_version_numbers, ".");
+  plugin.version = JoinString(flash_version_numbers, '.');
   content::WebPluginMimeType swf_mime_type(content::kFlashPluginSwfMimeType,
                                            content::kFlashPluginSwfExtension,
                                            content::kFlashPluginSwfDescription);
   plugin.mime_types.push_back(swf_mime_type);
   content::WebPluginMimeType spl_mime_type(content::kFlashPluginSplMimeType,
                                            content::kFlashPluginSplExtension,
                                            content::kFlashPluginSplDescription);
   plugin.mime_types.push_back(spl_mime_type);
 
   return plugin;
@@ skipping 309 matching lines @@
 #endif
 
 void ChromeContentClient::AddSecureSchemesAndOrigins(
     std::set<std::string>* schemes,
     std::set<GURL>* origins) {
   schemes->insert(content::kChromeUIScheme);
   schemes->insert(extensions::kExtensionScheme);
   schemes->insert(extensions::kExtensionResourceScheme);
   GetSecureOriginWhitelist(origins);
 }