Make JSONParser a pure interface.

chrome/browser/extensions/api/management/chrome_management_api_delegate.cc

 // 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.
 
 #include "chrome/browser/extensions/api/management/chrome_management_api_delegate.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/extensions/bookmark_app_helper.h"
 #include "chrome/browser/extensions/chrome_requirements_checker.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 166 matching lines @@
 extensions::LaunchType ChromeManagementAPIDelegate::GetLaunchType(
     const extensions::ExtensionPrefs* prefs,
     const extensions::Extension* extension) const {
   return extensions::GetLaunchType(prefs, extension);
 }
 
 void ChromeManagementAPIDelegate::
     GetPermissionWarningsByManifestFunctionDelegate(
         extensions::ManagementGetPermissionWarningsByManifestFunction* function,
         const std::string& manifest_str) const {
-  scoped_refptr<safe_json::SafeJsonParser> parser(
-      new safe_json::SafeJsonParser(
-          manifest_str,
-          base::Bind(
-              &extensions::ManagementGetPermissionWarningsByManifestFunction::
-                  OnParseSuccess,
-              function),
-          base::Bind(
-              &extensions::ManagementGetPermissionWarningsByManifestFunction::
-                  OnParseFailure,
-              function)));
-  parser->Start();
+  safe_json::SafeJsonParser::Parse(
+      manifest_str,
+      base::Bind(
+          &extensions::ManagementGetPermissionWarningsByManifestFunction::
+              OnParseSuccess,
+          function),
+      base::Bind(
+          &extensions::ManagementGetPermissionWarningsByManifestFunction::
+              OnParseFailure,
+          function));
 }
 
 scoped_ptr<extensions::InstallPromptDelegate>
 ChromeManagementAPIDelegate::SetEnabledFunctionDelegate(
     extensions::ManagementSetEnabledFunction* function,
     const extensions::Extension* extension) const {
   return scoped_ptr<ManagementSetEnabledFunctionInstallPromptDelegate>(
       new ManagementSetEnabledFunctionInstallPromptDelegate(function,
                                                             extension));
 }
@@ skipping 103 matching lines @@
 
 GURL ChromeManagementAPIDelegate::GetIconURL(
     const extensions::Extension* extension,
     int icon_size,
     ExtensionIconSet::MatchType match,
     bool grayscale,
     bool* exists) const {
   return extensions::ExtensionIconSource::GetIconURL(extension, icon_size,
                                                      match, grayscale, exists);
 }