Move enable extensions define to a build flag.

chrome/browser/renderer_host/pepper/pepper_isolated_file_system_message_filter.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/renderer_host/pepper/pepper_isolated_file_system_message_filter.h"
 
 #include <stddef.h>
 
 #include "base/macros.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pepper_permission_util.h"
 #include "content/public/browser/browser_ppapi_host.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/child_process_security_policy.h"
 #include "content/public/browser/render_view_host.h"
-#if defined(ENABLE_EXTENSIONS)
-#include "extensions/browser/extension_registry.h"
-#include "extensions/common/constants.h"
-#include "extensions/common/extension.h"
-#include "extensions/common/extension_set.h"
-#endif
+#include "extensions/features/features.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/host/dispatch_host_message.h"
 #include "ppapi/host/host_message_context.h"
 #include "ppapi/host/ppapi_host.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/shared_impl/file_system_util.h"
 #include "storage/browser/fileapi/isolated_context.h"
 
+#if BUILDFLAG(ENABLE_EXTENSIONS)
+#include "extensions/browser/extension_registry.h"
+#include "extensions/common/constants.h"
+#include "extensions/common/extension.h"
+#include "extensions/common/extension_set.h"
+#endif
+
 namespace chrome {
 
 namespace {
 
 const char* kPredefinedAllowedCrxFsOrigins[] = {
     "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/234789
     "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/234789
 };
 
 }  // namespace
@@ skipping 52 matching lines @@
 }
 
 Profile* PepperIsolatedFileSystemMessageFilter::GetProfile() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   ProfileManager* profile_manager = g_browser_process->profile_manager();
   return profile_manager->GetProfile(profile_directory_);
 }
 
 std::string PepperIsolatedFileSystemMessageFilter::CreateCrxFileSystem(
     Profile* profile) {
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
   const extensions::Extension* extension =
       extensions::ExtensionRegistry::Get(profile)->enabled_extensions().GetByID(
           document_url_.host());
   if (!extension)
     return std::string();
 
   // First level directory for isolated filesystem to lookup.
   std::string kFirstLevelDirectory("crxfs");
   return storage::IsolatedContext::GetInstance()->RegisterFileSystemForPath(
       storage::kFileSystemTypeNativeLocal,
@@ skipping 17 matching lines @@
       return OpenPluginPrivateFileSystem(context);
   }
   NOTREACHED();
   context->reply_msg =
       PpapiPluginMsg_IsolatedFileSystem_BrowserOpenReply(std::string());
   return PP_ERROR_FAILED;
 }
 
 int32_t PepperIsolatedFileSystemMessageFilter::OpenCrxFileSystem(
     ppapi::host::HostMessageContext* context) {
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
   Profile* profile = GetProfile();
   const extensions::ExtensionSet* extension_set = NULL;
   if (profile) {
     extension_set =
         &extensions::ExtensionRegistry::Get(profile)->enabled_extensions();
   }
   if (!IsExtensionOrSharedModuleWhitelisted(
           document_url_, extension_set, allowed_crxfs_origins_) &&
       !IsHostAllowedByCommandLine(
           document_url_, extension_set, switches::kAllowNaClCrxFsAPI)) {
@@ skipping 39 matching lines @@
   // Grant full access of isolated filesystem to renderer process.
   content::ChildProcessSecurityPolicy* policy =
       content::ChildProcessSecurityPolicy::GetInstance();
   policy->GrantCreateReadWriteFileSystem(render_process_id_, fsid);
 
   context->reply_msg = PpapiPluginMsg_IsolatedFileSystem_BrowserOpenReply(fsid);
   return PP_OK;
 }
 
 }  // namespace chrome