Clean up a few more unused globals.

chrome/browser/ui/webui/extensions/extension_error_handler.cc

 // Copyright 2013 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/extensions/extension_error_handler.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/location.h"
 #include "base/strings/string16.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/extensions/extension.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/web_ui.h"
 #include "content/public/browser/web_ui_data_source.h"
 #include "extensions/browser/extension_error.h"
 #include "extensions/browser/file_highlighter.h"
 #include "extensions/common/constants.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
 namespace extensions {
 
-namespace {
-
 // Keys for objects passed to and from extension error UI.
-const char kFileTypeKey[] = "fileType";
-const char kManifestFileType[] = "manifest";
 const char kPathSuffixKey[] = "pathSuffix";
-const char kSourceFileType[] = "source";
 const char kTitleKey[] = "title";
 
-}  // namespace
-
 ExtensionErrorHandler::ExtensionErrorHandler(Profile* profile)
     : profile_(profile) {
 }
 
 ExtensionErrorHandler::~ExtensionErrorHandler() {
 }
 
 void ExtensionErrorHandler::GetLocalizedValues(
     content::WebUIDataSource* source) {
   source->AddString(
@@ skipping 128 matching lines @@
     base::DictionaryValue* results,
     int line_number,
     std::string* contents) {
   SourceHighlighter highlighter(*contents, line_number);
   highlighter.SetHighlightedRegions(results);
   web_ui()->CallJavascriptFunction(
       "extensions.ExtensionErrorOverlay.requestFileSourceResponse", *results);
 }
 
 }  // namespace extensions