Adding more histograms to ResourcePrefetchPredictor.

chrome/browser/predictors/autocomplete_action_predictor_table.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/predictors/autocomplete_action_predictor_table.h"
 
 #include "base/guid.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/stringprintf.h"
@@ skipping 225 matching lines @@
       "CREATE TABLE %s ( "
       "id TEXT PRIMARY KEY, "
       "user_text TEXT, "
       "url TEXT, "
       "number_of_hits INTEGER, "
       "number_of_misses INTEGER)", kAutocompletePredictorTableName).c_str());
   if (!success)
     ResetDB();
 }
 
-void AutocompleteActionPredictorTable::LogDatabaseStats()  {
+void AutocompleteActionPredictorTable::LogDatabaseStats(Profile* profile)  {

[dominich, 2012/08/29 22:29:29]

why are you passing this in?

[Shishir, 2012/08/29 22:51:06]

Used to determine if prefreshing is enabled.

   CHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::DB));
   if (CantAccessDatabase())
     return;
 
   sql::Statement count_statement(DB()->GetUniqueStatement(
       base::StringPrintf("SELECT count(id) FROM %s",
                          kAutocompletePredictorTableName).c_str()));
   if (!count_statement.is_valid() || !count_statement.Step())
     return;
   UMA_HISTOGRAM_COUNTS("AutocompleteActionPredictor.DatabaseRowCount",
                        count_statement.ColumnInt(0));
 }
 
 }  // namespace predictors