Move enable extensions define to a build flag.

chrome/browser/safe_browsing/incident_reporting/extension_data_collection.cc

 // Copyright 2015 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/safe_browsing/incident_reporting/extension_data_collection.h"
 
 #include "base/json/json_string_value_serializer.h"
 #include "base/stl_util.h"
 #include "base/version.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/extension_util.h"
 #include "chrome/browser/extensions/install_signer.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/safe_browsing/incident_reporting/incident_reporting_service.h"
 #include "chrome/common/safe_browsing/csd.pb.h"
 #include "extensions/browser/extension_prefs.h"
 #include "extensions/browser/extension_prefs_factory.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/extension_registry_factory.h"
 #include "extensions/common/extension_set.h"
 #include "extensions/common/manifest_constants.h"
+#include "extensions/features/features.h"
 
 namespace safe_browsing {
 
 namespace {
 
 // Helper function to extract information from extension and extension_prefs
 // into extension_info.
 void PopulateExtensionInfo(
     const extensions::Extension& extension,
     const extensions::ExtensionPrefs& extension_prefs,
@@ skipping 61 matching lines @@
     extension_info->mutable_manifest()->swap(manifest_json);
 
   extension_info->set_manifest_location_type(extension.manifest()->location());
 }
 
 }  // namespace
 
 // Finds the last installed extension and adds relevant information to data's
 // last_installed_extension field.
 void CollectExtensionData(ClientIncidentReport_ExtensionData* data) {
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
   scoped_refptr<const extensions::Extension> last_installed_extension;
   Profile* profile_for_last_installed_extension = nullptr;
   base::Time last_install_time;
 
   for (Profile* profile :
        g_browser_process->profile_manager()->GetLoadedProfiles()) {
     // Skip profiles for which the incident reporting service is not enabled.
     if (!IncidentReportingService::IsEnabledForProfile(profile))
       continue;
 
@@ skipping 18 matching lines @@
         *last_installed_extension,
         *extensions::ExtensionPrefs::Get(profile_for_last_installed_extension),
         *extensions::ExtensionRegistryFactory::GetForBrowserContext(
             profile_for_last_installed_extension),
         data->mutable_last_installed_extension());
   }
 #endif
 }
 
 }  // namespace safe_browsing