Omnibox refactor. OmniboxController now holds an AutocompleteMatch.

chrome/browser/autocomplete/autocomplete_result.cc

Index: chrome/browser/autocomplete/autocomplete_result.cc
diff --git a/chrome/browser/autocomplete/autocomplete_result.cc b/chrome/browser/autocomplete/autocomplete_result.cc
index dda6ec58339463d3196f7966e1aad66dc86682b7..c723d3f4d47e5b5b14f3c8c99b2aca63c2595fa0 100644
--- a/chrome/browser/autocomplete/autocomplete_result.cc
+++ b/chrome/browser/autocomplete/autocomplete_result.cc
@@ -134,13 +134,8 @@ void AutocompleteResult::SortAndCull(const AutocompleteInput& input,
   default_match_ = begin();
 
   // Set the alternate nav URL.
-  alternate_nav_url_ = GURL();
-  if (input.type() == AutocompleteInput::UNKNOWN &&
-      default_match_ != end() &&
-      AutocompleteMatch::IsSearchType(default_match_->type) &&
-      default_match_->transition != content::PAGE_TRANSITION_KEYWORD &&
-      input.canonicalized_url() != default_match_->destination_url)
-    alternate_nav_url_ = input.canonicalized_url();
+  alternate_nav_url_ = default_match_ == end() ? GURL() :
+      ComputeAlternateNavUrl(input, *default_match_);
 }
 
 bool AutocompleteResult::HasCopiedMatches() const {
@@ -208,6 +203,17 @@ void AutocompleteResult::Validate() const {
 }
 #endif
 
+// static
+GURL AutocompleteResult::ComputeAlternateNavUrl(
+    const AutocompleteInput& input,
+    const AutocompleteMatch& match) {
+  return (input.type() == AutocompleteInput::UNKNOWN &&
+          AutocompleteMatch::IsSearchType(match.type) &&
+          match.transition != content::PAGE_TRANSITION_KEYWORD &&
+          input.canonicalized_url() != match.destination_url) ?
+      input.canonicalized_url() : GURL();
+}
+
 void AutocompleteResult::BuildProviderToMatches(
     ProviderToMatches* provider_to_matches) const {
   for (ACMatches::const_iterator i(begin()); i != end(); ++i)