Bug 1488165 - Remove security.csp.enable_violation_events pref, r=dveditz

dom/security/nsCSPContext.cpp

@@ -1137,10 +1137,6 @@ nsCSPContext::FireViolationEvent(
   Element* aTriggeringElement,
   const mozilla::dom::SecurityPolicyViolationEventInit& aViolationEventInit)
 {
-  if (!StaticPrefs::security_csp_enable_violation_events()) {
-    return NS_OK;
-  }
-
   if (mEventListener) {
     nsAutoString json;
     if (aViolationEventInit.ToJSON(json)) {

dom/security/test/csp/test_security_policy_violation_event.html

@@ -4,11 +4,7 @@
 <script src="/tests/SimpleTest/SimpleTest.js"></script>
 <script>
 SimpleTest.waitForExplicitFinish();
-SpecialPowers.pushPrefEnv({
-  set: [
-    ["security.csp.enable_violation_events", true]
-  ]
-});
+
 document.addEventListener("securitypolicyviolation", (e) => {
   SimpleTest.is(e.blockedURI, "http://mochi.test:8888/foo/bar.jpg", "blockedURI");
   SimpleTest.is(e.violatedDirective, "img-src", "violatedDirective")

dom/webidl/SecurityPolicyViolationEvent.webidl

@@ -7,8 +7,7 @@ enum SecurityPolicyViolationEventDisposition
   "enforce", "report"
 };
 
-[Constructor(DOMString type, optional SecurityPolicyViolationEventInit eventInitDict),
- Pref="security.csp.enable_violation_events"]
+[Constructor(DOMString type, optional SecurityPolicyViolationEventInit eventInitDict)]
 interface SecurityPolicyViolationEvent : Event
 {
     readonly attribute DOMString      documentURI;

modules/libpref/init/StaticPrefList.h

@@ -1328,12 +1328,6 @@ VARCACHE_PREF(
   bool, true
 )
 
-VARCACHE_PREF(
-  "security.csp.enable_violation_events",
-   security_csp_enable_violation_events,
-  bool, true
-)
-
 VARCACHE_PREF(
   "security.csp.reporting.script-sample.max-length",
    security_csp_reporting_script_sample_max_length,

testing/web-platform/meta/content-security-policy/__dir__.ini

@@ -1 +0,0 @@
-prefs: [security.csp.enable_violation_events:true]