CSP: Fire 'SecurityPolicyViolation' on the offending element.

third_party/WebKit/LayoutTests/http/tests/security/contentSecurityPolicy/resources/securitypolicyviolation-helper.js

Index: third_party/WebKit/LayoutTests/http/tests/security/contentSecurityPolicy/resources/securitypolicyviolation-helper.js
diff --git a/third_party/WebKit/LayoutTests/http/tests/security/contentSecurityPolicy/resources/securitypolicyviolation-helper.js b/third_party/WebKit/LayoutTests/http/tests/security/contentSecurityPolicy/resources/securitypolicyviolation-helper.js
new file mode 100644
index 0000000000000000000000000000000000000000..a2b51948926f170882c1c273cf76b25611d0bdb3
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/http/tests/security/contentSecurityPolicy/resources/securitypolicyviolation-helper.js
@@ -0,0 +1,25 @@
+function generateURL(type) {
+  return 'http://localhost:8000/security/contentSecurityPolicy/resources/loaded.js?' + type;
+}
+
+function assert_script_failed(t, url, line) {
+  window.addEventListener('message', t.step_func(e => {
+    if (e.data == url)
+      t.unreached_func("Script should not have loaded.");
+  }));
+  document.addEventListener('securitypolicyviolation', t.step_func(e => {
+    if (e.lineNumber == line)
+      t.done();
+  }));
+}
+
+function assert_script_loads(t, url, line) {
+  window.addEventListener('message', t.step_func(e => {
+    if (e.data == url)
+      t.done();
+  }));
+  document.addEventListener('securitypolicyviolation', t.step_func(e => {
+    if (e.lineNumber == line)
+      t.unreached_func("Script should not have failed.");
+  }));
+}