Make Omnibox HistoryURL Provider always aggressive.

chrome/browser/autocomplete/history_url_provider.h

Index: chrome/browser/autocomplete/history_url_provider.h
diff --git a/chrome/browser/autocomplete/history_url_provider.h b/chrome/browser/autocomplete/history_url_provider.h
index c7a1a4f1a61863f8b9e7e01a8d286bb9cfc6a7bb..241a47af1ed6c88b6d67ed880cfd94b3540db686 100644
--- a/chrome/browser/autocomplete/history_url_provider.h
+++ b/chrome/browser/autocomplete/history_url_provider.h
@@ -146,7 +146,6 @@ class HistoryURLProvider : public HistoryProvider {
     : HistoryProvider(listener, profile, "History"),
       prefixes_(GetPrefixes()),
       params_(NULL),
-      enable_aggressive_scoring_(false),
       languages_(languages) {}
 #endif
 
@@ -188,13 +187,13 @@ class HistoryURLProvider : public HistoryProvider {
   // Returns the set of prefixes to use for prefixes_.
   static history::Prefixes GetPrefixes();
 
-  // Determines the relevance for a match, given its type.  Behavior
-  // depends on enable_aggressive_scoring_.  If |match_type| is
-  // NORMAL, |match_number| is a number [0, kMaxSuggestions)
-  // indicating the relevance of the match (higher == more relevant).
-  // For other values of |match_type|, |match_number| is ignored.
-  // Only called some of the time; for some matches, relevancy scores
-  // are assigned consecutively decreasing (1416, 1415, 1414, ...).
+  // Determines the relevance for a match, given its type.  If
+  // |match_type| is NORMAL, |match_number| is a number [0,
+  // kMaxSuggestions) indicating the relevance of the match (higher ==
+  // more relevant).  For other values of |match_type|, |match_number|
+  // is ignored.  Only called some of the time; for some matches,
+  // relevancy scores are assigned consecutively decreasing (1416,
+  // 1415, 1414, ...).
   int CalculateRelevance(MatchType match_type,
                          size_t match_number) const;
 
@@ -282,10 +281,6 @@ class HistoryURLProvider : public HistoryProvider {
   // keep this member is so we can set the cancel bit on it.
   HistoryURLProviderParams* params_;
 
-  // Command line flag omnibox-aggressive-with-history-urls.
-  // We examine and cache the value in the constructor.
-  bool enable_aggressive_scoring_;
-
   // Only used by unittests; if non-empty, overrides accept-languages in the
   // profile's pref system.
   std::string languages_;