Make chrome://omnibox/ be able to report per-provider matches.

chrome/browser/autocomplete/autocomplete.h

Index: chrome/browser/autocomplete/autocomplete.h
diff --git a/chrome/browser/autocomplete/autocomplete.h b/chrome/browser/autocomplete/autocomplete.h
index 7fedfc655c88a1bdfa012893dd240034968b5c54..2e5b63325d81901a9b93f80969e603e13fbe4c70 100644
--- a/chrome/browser/autocomplete/autocomplete.h
+++ b/chrome/browser/autocomplete/autocomplete.h
@@ -176,6 +176,7 @@ struct AutocompleteMatch;
 class AutocompleteProvider;
 class AutocompleteResult;
 class KeywordProvider;
+class OmniboxUIHandler;
 class Profile;
 class SearchProvider;
 class TemplateURL;
@@ -683,6 +684,7 @@ class AutocompleteController : public ACProviderListener {
   const AutocompleteInput& input() const { return input_; }
   const AutocompleteResult& result() const { return result_; }
   bool done() const { return done_; }
+  const ACProviders* providers() const { return &providers_; }
 
   // From AutocompleteProvider::Listener
   virtual void OnProviderUpdate(bool updated_matches);