Revert change that disallowed content scripts access to file://

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index f372542e47f74e22be8a822903090e5b854a1b7d..c3f16330752f3da55efdbe019c355350102ace48 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -191,10 +191,6 @@ const char kEnableFastback[]                = "enable-fastback";
 // testing, for example page cycler and layout tests.  See bug 1157243.
 const char kEnableFileCookies[]             = "enable-file-cookies";
 
-// By default, js content scripts are not allowed on file://. They are needed
-// for page cycler tests.  See http://crbug.com/27877.
-const char kEnableJsOnFileUrls[]         = "enable-content-script-on-file-urls";
-
 // Disable LocalStorage.
 const char kDisableLocalStorage[]            = "disable-local-storage";