Enhance chrome://omnibox Presentation

chrome/browser/autocomplete/autocomplete_match.h

Index: chrome/browser/autocomplete/autocomplete_match.h
===================================================================
--- chrome/browser/autocomplete/autocomplete_match.h	(revision 148107)
+++ chrome/browser/autocomplete/autocomplete_match.h	(working copy)
@@ -5,6 +5,7 @@
 #ifndef CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_MATCH_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_MATCH_H_
 
+#include <map>
 #include <string>
 #include <vector>
 
@@ -17,6 +18,10 @@
 class Profile;
 class TemplateURL;
 
+namespace base {
+class Time;
+}  // namespace base
+
 // AutocompleteMatch ----------------------------------------------------------
 
 // A single result line with classified spans.  The autocomplete popup displays
@@ -64,6 +69,10 @@
 
   typedef std::vector<ACMatchClassification> ACMatchClassifications;
 
+  // Type used by providers to attach additional, optional information to
+  // an AutocompleteMatch.
+  typedef std::map<std::string, std::string> AdditionalInfo;
+
   // The type of this match.
   enum Type {
     URL_WHAT_YOU_TYPED = 0,  // The input as a URL.
@@ -189,6 +198,13 @@
   // TemplateURL.  See comments on |keyword| below.
   TemplateURL* GetTemplateURL(Profile* profile) const;
 
+  // Adds optional information to the |additional_info| dictionary.
+  void RecordAdditionalInfo(const std::string& property,
+                            const std::string& value);
+  void RecordAdditionalInfo(const std::string& property, int value);
+  void RecordAdditionalInfo(const std::string& property,
+                            const base::Time& value);
+
   // The provider of this match, used to remember which provider the user had
   // selected when the input changes. This may be NULL, in which case there is
   // no provider (or memory of the user's selection).
@@ -283,6 +299,10 @@
   // AutocompleteController to do no additional transformations.
   scoped_ptr<TemplateURLRef::SearchTermsArgs> search_terms_args;
 
+  // Information dictionary into which each provider can optionally record a
+  // property and associated value and which is presented in chrome://omnibox.
+  AdditionalInfo additional_info;
+
 #ifndef NDEBUG
   // Does a data integrity check on this match.
   void Validate() const;