NavigationThrottle: allow customization of net::Error when blocking

content/public/browser/navigation_throttle.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/public/browser/navigation_throttle.h"
 
 namespace content {
 
+static_assert(sizeof(NavigationThrottle::ThrottleCheckResult) == 4,
+              "ThrottleCheckResult is meant to be a 32-bit value");
+
+bool NavigationThrottle::ThrottleCheckResult::operator==(
+    const NavigationThrottle::ThrottleCheckResult& rhs) const {
+  return (this->action_ == rhs.action_) &&
+         (this->net_error_code_ == rhs.net_error_code_);
+}
+
+bool NavigationThrottle::ThrottleCheckResult::operator!=(
+    const NavigationThrottle::ThrottleCheckResult& rhs) const {
+  return !(*this == rhs);
+}
+
 NavigationThrottle::NavigationThrottle(NavigationHandle* navigation_handle)
     : navigation_handle_(navigation_handle) {}
 
 NavigationThrottle::~NavigationThrottle() {}
 
 NavigationThrottle::ThrottleCheckResult NavigationThrottle::WillStartRequest() {
   return NavigationThrottle::PROCEED;
 }
 
 NavigationThrottle::ThrottleCheckResult
 NavigationThrottle::WillRedirectRequest() {
   return NavigationThrottle::PROCEED;
 }
 
 NavigationThrottle::ThrottleCheckResult
 NavigationThrottle::WillProcessResponse() {
   return NavigationThrottle::PROCEED;
 }
 
 }  // namespace content