Enhance chrome://omnibox Presentation

chrome/browser/autocomplete/autocomplete_match.h

Index: chrome/browser/autocomplete/autocomplete_match.h
===================================================================
--- chrome/browser/autocomplete/autocomplete_match.h	(revision 145893)
+++ chrome/browser/autocomplete/autocomplete_match.h	(working copy)
@@ -6,6 +6,7 @@
 #define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_MATCH_H_
 #pragma once
 
+#include <map>
 #include <string>
 #include <vector>
 
@@ -18,6 +19,10 @@
 class Profile;
 class TemplateURL;
 
+namespace base {
+class Time;
+}  // namespace base
+
 // AutocompleteMatch ----------------------------------------------------------
 
 // A single result line with classified spans.  The autocomplete popup displays
@@ -190,6 +195,11 @@
   // TemplateURL.  See comments on |keyword| below.
   TemplateURL* GetTemplateURL(Profile* profile) const;
 
+  // Adds diagnostic information to the |diagnostics| dictionary.
+  void RecordDiagnostic(const std::string& property, const std::string& value);
+  void RecordDiagnostic(const std::string& property, int value);
+  void RecordDiagnostic(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).
@@ -284,6 +294,10 @@
   // AutocompleteController to do no additional transformations.
   scoped_ptr<TemplateURLRef::SearchTermsArgs> search_terms_args;
 
+  // Diagnostic information dictionary into which each provider can optionally
+  // record a property and associated value.

[Mark P, 2012/07/10 19:41:12]

Consider adding:
Used for chrome://omnibox

[mrossetti, 2012/07/14 02:34:06]

Done.

+  std::map<std::string, std::string> diagnostics;
+
 #ifndef NDEBUG
   // Does a data integrity check on this match.
   void Validate() const;