Revert of PlzNavigate: Enforce 'frame-src' CSP on the browser.

third_party/WebKit/Source/web/WebLocalFrameImpl.cpp

Index: third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp b/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
index 994a16dfd1071872e3372cc901e32c852fd4f1b5..622b3b96e215b9ef6d08dcc0d77120fdeaa5960b 100644
--- a/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
+++ b/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
@@ -2090,34 +2090,6 @@
   return true;
 }
 
-// Called when a navigation is blocked because a Content Security Policy (CSP)
-// is infringed.
-void WebLocalFrameImpl::reportContentSecurityPolicyViolation(
-    const blink::WebContentSecurityPolicyViolation& violation) {
-  DCHECK(frame() && frame()->document());
-  Document* document = frame()->document();
-  Vector<String> reportEndpoints;
-  for (const WebString& endPoint : violation.reportEndpoints)
-    reportEndpoints.push_back(endPoint);
-  document->contentSecurityPolicy()->reportViolation(
-      violation.directive, /* directiveText */
-      ContentSecurityPolicy::getDirectiveType(
-          violation.effectiveDirective), /* effectiveType */
-      violation.consoleMessage,          /* consoleMessage */
-      violation.blockedUrl,              /* blockedUrl */
-      reportEndpoints,                   /* reportEndpoints */
-      violation.header,                  /* header */
-      static_cast<ContentSecurityPolicyHeaderType>(violation.disposition),
-      ContentSecurityPolicy::ViolationType::URLViolation, /* ViolationType */
-      nullptr,                                            /* LocalFrame */
-      violation.afterRedirect ? RedirectStatus::FollowedRedirect
-                              : RedirectStatus::NoRedirect,
-      // TODO(arthursonzogni, clamy) Provide the context line number here.
-      // See http://crbug.com/690946
-      0,        /* contextLine */
-      nullptr); /* Element */
-}
-
 bool WebLocalFrameImpl::isLoading() const {
   if (!frame() || !frame()->document())
     return false;