Remove FileSystem runtime flag for chromium

content/public/common/content_switches.cc

Index: content/public/common/content_switches.cc
diff --git a/content/public/common/content_switches.cc b/content/public/common/content_switches.cc
index 4bdb4204a2c52a63cd41b87a5882320a07c6d06a..6af689b4ccab961badcfdb2bc665098e0a6fe826 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -112,9 +112,6 @@ extern const char kDisableDomainBlockingFor3DAPIs[] =
 // Disable experimental WebGL support.
 const char kDisableExperimentalWebGL[]      = "disable-webgl";
 
-// Disable FileSystem API.
-const char kDisableFileSystem[]             = "disable-file-system";
-
 // Disable 3D inside of flapper.
 const char kDisableFlash3d[]                = "disable-flash-3d";