Remove -Wno-enum-compare-switch flag

This CL is part of
https://chromium-review.googlesource.com/c/chromium/src/+/1286016

This CL was uploaded by git cl split.

R=sdefresne@chromium.org

Bug: 753973
Change-Id: Ia8531202caddd46a45169eae9b5b8af77585ab80
Reviewed-on: https://chromium-review.googlesource.com/c/1288173Reviewed-by: Sylvain Defresne <sdefresne@chromium.org>
Commit-Queue: Takuto Ikuta <tikuta@chromium.org>
Cr-Commit-Position: refs/heads/master@{#600758}

components/sync_wifi/wifi_security_class.cc

@@ -29,13 +29,13 @@ bool WifiSecurityClassSupportsPassphrases(
 WifiSecurityClass WifiSecurityClassFromSyncSecurityClass(
     const sync_pb::WifiCredentialSpecifics_SecurityClass sync_enum) {
   switch (sync_enum) {
-    case SECURITY_CLASS_INVALID:
+    case sync_pb::WifiCredentialSpecifics_SecurityClass_SECURITY_CLASS_INVALID:
       return WifiSecurityClass::SECURITY_CLASS_INVALID;
-    case SECURITY_CLASS_NONE:
+    case sync_pb::WifiCredentialSpecifics_SecurityClass_SECURITY_CLASS_NONE:
       return WifiSecurityClass::SECURITY_CLASS_NONE;
-    case SECURITY_CLASS_WEP:
+    case sync_pb::WifiCredentialSpecifics_SecurityClass_SECURITY_CLASS_WEP:
       return WifiSecurityClass::SECURITY_CLASS_WEP;
-    case SECURITY_CLASS_PSK:
+    case sync_pb::WifiCredentialSpecifics_SecurityClass_SECURITY_CLASS_PSK:
       return WifiSecurityClass::SECURITY_CLASS_PSK;
   }
   NOTREACHED() << "Invalid sync security class enum with value " << sync_enum;