[iOS] Support for chrome://version

chrome/browser/ui/webui/version_handler.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/browser/ui/webui/version_handler.h"
 
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/metrics/field_trial.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/plugins/plugin_prefs.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/variations/active_field_trials.h"
+#include "components/version_ui/version_handler_helper.h"
 #include "components/version_ui/version_ui_constants.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/plugin_service.h"
 #include "content/public/browser/web_ui.h"
 #include "content/public/common/content_constants.h"
 #include "grit/components_strings.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "url/gurl.h"
 
 namespace {
@@ skipping 51 matching lines @@
       content::BrowserThread::FILE, FROM_HERE,
           base::Bind(&GetFilePaths, Profile::FromWebUI(web_ui())->GetPath(),
                      base::Unretained(exec_path_buffer),
                      base::Unretained(profile_path_buffer)),
           base::Bind(&VersionHandler::OnGotFilePaths,
                      weak_ptr_factory_.GetWeakPtr(),
                      base::Owned(exec_path_buffer),
                      base::Owned(profile_path_buffer)));
 
   // Respond with the variations info immediately.
-  std::vector<std::string> variations;
-#if !defined(NDEBUG)
-  base::FieldTrial::ActiveGroups active_groups;
-  base::FieldTrialList::GetActiveFieldTrialGroups(&active_groups);
-
-  const unsigned char kNonBreakingHyphenUTF8[] = { 0xE2, 0x80, 0x91, '\0' };
-  const std::string kNonBreakingHyphenUTF8String(
-      reinterpret_cast<const char*>(kNonBreakingHyphenUTF8));
-  for (size_t i = 0; i < active_groups.size(); ++i) {
-    std::string line = active_groups[i].trial_name + ":" +
-                       active_groups[i].group_name;
-    base::ReplaceChars(line, "-", kNonBreakingHyphenUTF8String, &line);
-    variations.push_back(line);
-  }
-#else
-  // In release mode, display the hashes only.
-  variations::GetFieldTrialActiveGroupIdsAsStrings(&variations);
-#endif
-
-  base::ListValue variations_list;
-  for (std::vector<std::string>::const_iterator it = variations.begin();
-      it != variations.end(); ++it) {
-    variations_list.Append(new base::StringValue(*it));
-  }
-
-  // In release mode, this will return an empty list to clear the section.
   web_ui()->CallJavascriptFunction(version_ui::kReturnVariationInfo,
-                                   variations_list);
+                                   *version_ui::GetVariationsList());
 }
 
 void VersionHandler::OnGotFilePaths(base::string16* executable_path_data,
                                     base::string16* profile_path_data) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
   base::StringValue exec_path(*executable_path_data);
   base::StringValue profile_path(*profile_path_data);
   web_ui()->CallJavascriptFunction(version_ui::kReturnFilePaths, exec_path,
                                    profile_path);
@@ skipping 16 matching lines @@
         flash_version = info_array[i].version;
         break;
       }
     }
   }
 
   base::StringValue arg(flash_version);
   web_ui()->CallJavascriptFunction(version_ui::kReturnFlashVersion, arg);
 }
 #endif  // defined(ENABLE_PLUGINS)