Do not refer "chrome" in content/browser/fileapi

content/browser/fileapi/browser_file_system_helper.cc

Index: content/browser/fileapi/browser_file_system_helper.cc
diff --git a/content/browser/fileapi/browser_file_system_helper.cc b/content/browser/fileapi/browser_file_system_helper.cc
index 710c3bd9372c24e8ee031436fb973b718d0af400..485d96afcba2679de90537a0c45e218ab5f5f2d9 100644
--- a/content/browser/fileapi/browser_file_system_helper.cc
+++ b/content/browser/fileapi/browser_file_system_helper.cc
@@ -12,7 +12,10 @@
 #include "base/threading/sequenced_worker_pool.h"
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/public/browser/browser_thread.h"
+#include "content/public/browser/content_browser_client.h"
+#include "content/public/common/content_client.h"
 #include "content/public/common/content_switches.h"
+#include "content/public/common/url_constants.h"
 #include "webkit/fileapi/external_mount_points.h"
 #include "webkit/fileapi/file_permission_policy.h"
 #include "webkit/fileapi/file_system_options.h"
@@ -22,28 +25,26 @@
 #include "webkit/quota/quota_manager.h"
 
 namespace content {
-namespace {
 
-const char kChromeScheme[] = "chrome";
-const char kExtensionScheme[] = "chrome-extension";
+namespace {
 
 using fileapi::FileSystemOptions;
 
 FileSystemOptions CreateBrowserFileSystemOptions(bool is_incognito) {
+  FileSystemOptions::ProfileMode profile_mode =
+      is_incognito ? FileSystemOptions::PROFILE_MODE_INCOGNITO
+                   : FileSystemOptions::PROFILE_MODE_NORMAL;
   std::vector<std::string> additional_allowed_schemes;
-  additional_allowed_schemes.push_back(kChromeScheme);
-  additional_allowed_schemes.push_back(kExtensionScheme);
+  GetContentClient()->browser()->GetAdditionalAllowedSchemesForFileSystem(
+      &additional_allowed_schemes);
   if (CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kAllowFileAccessFromFiles)) {
-    additional_allowed_schemes.push_back("file");
+    additional_allowed_schemes.push_back(chrome::kFileScheme);
   }
-  FileSystemOptions::ProfileMode profile_mode =
-      is_incognito ? FileSystemOptions::PROFILE_MODE_INCOGNITO
-                   : FileSystemOptions::PROFILE_MODE_NORMAL;
   return FileSystemOptions(profile_mode, additional_allowed_schemes);
 }
 
-}  // anonymous namespace
+}  // namespace
 
 scoped_refptr<fileapi::FileSystemContext> CreateFileSystemContext(
         const base::FilePath& profile_path, bool is_incognito,