[Spellcheck] Record the number of words in the custom dictionary when the custom dictionary is load…

chrome/browser/spellchecker/spellcheck_host_metrics_unittest.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/spellchecker/spellcheck_host_metrics.h"
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/metrics/histogram.h"
@@ skipping 49 matching lines @@
   histogram =
       StatisticsRecorder::FindHistogram("SpellCheck.Enabled");
   ASSERT_TRUE(histogram != NULL);
   samples = histogram->SnapshotSamples();
   samples->Subtract(*baseline);
   EXPECT_EQ(0, samples->GetCount(0));
   EXPECT_EQ(1, samples->GetCount(1));
 }
 
 TEST_F(SpellcheckHostMetricsTest, CustomWordStats) {
-  metrics()->RecordCustomWordCountStats(123);
+  SpellCheckHostMetrics::RecordCustomWordCountStats(123);
 
   HistogramBase* histogram =
       StatisticsRecorder::FindHistogram("SpellCheck.CustomWords");
   ASSERT_TRUE(histogram != NULL);
   scoped_ptr<HistogramSamples> baseline = histogram->SnapshotSamples();
 
-  metrics()->RecordCustomWordCountStats(23);
+  SpellCheckHostMetrics::RecordCustomWordCountStats(23);
   histogram =
       StatisticsRecorder::FindHistogram("SpellCheck.CustomWords");
   ASSERT_TRUE(histogram != NULL);
   scoped_ptr<HistogramSamples> samples = histogram->SnapshotSamples();
 
   samples->Subtract(*baseline);
   EXPECT_EQ(23,samples->sum());
 }
 
 TEST_F(SpellcheckHostMetricsTest, RecordWordCountsDiscardsDuplicates) {
@@ skipping 60 matching lines @@
   metrics()->RecordSpellingServiceStats(true);
 
   histogram =
       StatisticsRecorder::FindHistogram(kMetricName);
   ASSERT_TRUE(histogram != NULL);
   samples = histogram->SnapshotSamples();
   samples->Subtract(*baseline);
   EXPECT_EQ(0, samples->GetCount(0));
   EXPECT_EQ(1, samples->GetCount(1));
 }