NavigationThrottle: allow customization of net::Error when blocking

content/public/browser/navigation_throttle.cc

Index: content/public/browser/navigation_throttle.cc
diff --git a/content/public/browser/navigation_throttle.cc b/content/public/browser/navigation_throttle.cc
index 5c795d655d2c63bd4f6d9f465553cf66f881d6bf..42828911059df50ab5abbfd8b58285ffd49b09be 100644
--- a/content/public/browser/navigation_throttle.cc
+++ b/content/public/browser/navigation_throttle.cc
@@ -6,6 +6,20 @@
 
 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) {}