Add prefetch support to AffiliationBackend.

components/password_manager/core/browser/affiliation_utils.cc

 // Copyright 2014 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 "components/password_manager/core/browser/affiliation_utils.h"
 
 #include <algorithm>
 #include <ostream>
 
 #include "base/base64.h"
@@ skipping 191 matching lines @@
   bool is_valid = ParseAndCanonicalizeFacetURI(spec, &canonical_spec);
   return FacetURI(canonical_spec, is_valid);
 }
 
 // static
 FacetURI FacetURI::FromCanonicalSpec(const std::string& canonical_spec) {
   return FacetURI(canonical_spec, true);
 }
 
 bool FacetURI::operator==(const FacetURI& other) const {
-  DCHECK(is_valid_);
-  DCHECK(other.is_valid_);
+  DCHECK(is_empty() || is_valid());
+  DCHECK(other.is_empty() || other.is_valid());
   return canonical_spec_ == other.canonical_spec_;
 }
 
 bool FacetURI::operator!=(const FacetURI& other) const {
-  DCHECK(is_valid_);
-  DCHECK(other.is_valid_);
+  DCHECK(is_empty() || is_valid());
+  DCHECK(other.is_empty() || other.is_valid());
   return canonical_spec_ != other.canonical_spec_;
 }
 
 bool FacetURI::operator<(const FacetURI& other) const {
-  DCHECK(is_valid_);
-  DCHECK(other.is_valid_);
+  DCHECK(is_empty() || is_valid());
+  DCHECK(other.is_empty() || other.is_valid());
   return canonical_spec_ < other.canonical_spec_;
 }
 
 bool FacetURI::operator>(const FacetURI& other) const {
-  DCHECK(is_valid_);
-  DCHECK(other.is_valid_);
+  DCHECK(is_empty() || is_valid());
+  DCHECK(other.is_empty() || other.is_valid());
   return canonical_spec_ > other.canonical_spec_;
 }
 
 bool FacetURI::IsValidWebFacetURI() const {
   return scheme() == url::kHttpsScheme;
 }
 
 bool FacetURI::IsValidAndroidFacetURI() const {
   return scheme() == kAndroidAppScheme;
 }
@@ skipping 58 matching lines @@
     return true;
   return StartsWithASCII(group_name, "Enabled", /*case_sensitive=*/false);
 }
 
 bool IsValidAndroidFacetURI(const std::string& url) {
   FacetURI facet = FacetURI::FromPotentiallyInvalidSpec(url);
   return facet.IsValidAndroidFacetURI();
 }
 
 }  // namespace password_manager