Move enable extensions define to a build flag.

chrome/browser/profiles/profile_impl_io_data.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/profiles/profile_impl_io_data.h"
 
 #include <memory>
 #include <set>
 #include <string>
 #include <utility>
@@ skipping 42 matching lines @@
 #include "components/prefs/pref_member.h"
 #include "components/prefs/pref_service.h"
 #include "components/previews/core/previews_io_data.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/cookie_store_factory.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/resource_context.h"
 #include "content/public/browser/storage_partition.h"
 #include "extensions/browser/extension_protocols.h"
 #include "extensions/common/constants.h"
+#include "extensions/features/features.h"
 #include "net/base/cache_type.h"
 #include "net/base/sdch_manager.h"
 #include "net/cookies/cookie_store.h"
 #include "net/http/http_cache.h"
 #include "net/http/http_network_session.h"
 #include "net/http/http_server_properties_manager.h"
 #include "net/sdch/sdch_owner.h"
 #include "net/ssl/channel_id_service.h"
 #include "net/url_request/url_request_context_storage.h"
 #include "net/url_request/url_request_intercepting_job_factory.h"
@@ skipping 476 matching lines @@
       request_interceptors.begin(),
       data_reduction_proxy_io_data()->CreateInterceptor().release());
   main_context_storage->set_job_factory(SetUpJobFactoryDefaults(
       std::move(main_job_factory), std::move(request_interceptors),
       std::move(profile_params->protocol_handler_interceptor),
       main_context->network_delegate(),
       io_thread_globals->host_resolver.get()));
   main_context->set_network_quality_estimator(
       io_thread_globals->network_quality_estimator.get());
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
   InitializeExtensionsRequestContext(profile_params);
 #endif
 
   // Setup SDCH for this profile.
   std::unique_ptr<net::SdchManager> sdch_manager(new net::SdchManager());
   sdch_policy_.reset(new net::SdchOwner(sdch_manager.get(), main_context));
   sdch_policy_->EnablePersistentStorage(
       std::unique_ptr<net::SdchOwner::PrefStorage>(
           new chrome_browser_net::SdchOwnerPrefStorage(
               network_json_store_.get())));
@@ skipping 234 matching lines @@
     const base::Closure& completion) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   DCHECK(initialized());
 
   DCHECK(transport_security_state());
   // Completes synchronously.
   transport_security_state()->DeleteAllDynamicDataSince(time);
   DCHECK(http_server_properties_manager_);
   http_server_properties_manager_->Clear(completion);
 }