Add time from navigation_start to NTP LogEvent

chrome/browser/ui/webui/ntp/ntp_user_data_logger_unittest.cc

 // Copyright 2013 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/ui/webui/ntp/ntp_user_data_logger.h"
 
 #include "base/basictypes.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/statistics_recorder.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 28 matching lines @@
 TEST(NTPUserDataLoggerTest, TestLogging) {
   base::StatisticsRecorder::Initialize();
 
   // Ensure empty statistics.
   EXPECT_EQ(0, GetTotalCount("NewTabPage.NumberOfMouseOvers"));
   EXPECT_EQ(0, GetBinCount("NewTabPage.NumberOfMouseOvers", 0));
 
   // Enusure non-zero statistics.
   TestNTPUserDataLogger logger;
 
+  base::TimeDelta delta = base::TimeDelta::FromMilliseconds(0);
+
   for (int i = 0; i < 20; ++i)
-    logger.LogEvent(NTP_MOUSEOVER);
+    logger.LogEvent(NTP_MOUSEOVER, delta);
   for (int i = 0; i < 8; ++i)
-    logger.LogEvent(NTP_TILE);
+    logger.LogEvent(NTP_TILE, delta);
   for (int i = 0; i < 4; ++i)
-    logger.LogEvent(NTP_THUMBNAIL_TILE);
+    logger.LogEvent(NTP_THUMBNAIL_TILE, delta);
   for (int i = 0; i < 2; ++i)
-    logger.LogEvent(NTP_THUMBNAIL_ERROR);
-  logger.LogEvent(NTP_GRAY_TILE_FALLBACK);
-  logger.LogEvent(NTP_EXTERNAL_TILE_FALLBACK);
+    logger.LogEvent(NTP_THUMBNAIL_ERROR, delta);
+  logger.LogEvent(NTP_GRAY_TILE_FALLBACK, delta);
+  logger.LogEvent(NTP_EXTERNAL_TILE_FALLBACK, delta);
   for (int i = 0; i < 2; ++i)
-    logger.LogEvent(NTP_EXTERNAL_TILE);
+    logger.LogEvent(NTP_EXTERNAL_TILE, delta);
   for (int i = 0; i < 2; ++i)
-    logger.LogEvent(NTP_GRAY_TILE);
-  logger.LogEvent(NTP_SERVER_SIDE_SUGGESTION);
+    logger.LogEvent(NTP_GRAY_TILE, delta);
+  logger.LogEvent(NTP_SERVER_SIDE_SUGGESTION, delta);
 
   logger.EmitNtpStatistics();
 
   EXPECT_EQ(1, GetTotalCount("NewTabPage.NumberOfMouseOvers"));
   EXPECT_EQ(0, GetBinCount("NewTabPage.NumberOfMouseOvers", 0));
   EXPECT_EQ(1, GetBinCount("NewTabPage.NumberOfMouseOvers", 20));
   EXPECT_EQ(1, GetTotalCount("NewTabPage.NumberOfTiles"));
   EXPECT_EQ(1, GetBinCount("NewTabPage.NumberOfTiles", 8));
   EXPECT_EQ(1, GetTotalCount("NewTabPage.NumberOfThumbnailTiles"));
   EXPECT_EQ(1, GetBinCount("NewTabPage.NumberOfThumbnailTiles", 4));
@@ skipping 74 matching lines @@
   logger.LogMostVisitedNavigation(5, base::ASCIIToUTF16(""));
   EXPECT_EQ(3, GetTotalCount("NewTabPage.MostVisited"));
   EXPECT_EQ(1, GetBinCount("NewTabPage.MostVisited.foobar", 1));
   EXPECT_EQ(1, GetBinCount("NewTabPage.MostVisited.foobar", 5));
 
   logger.LogMostVisitedNavigation(1, base::ASCIIToUTF16("foobar"));
   EXPECT_EQ(4, GetTotalCount("NewTabPage.MostVisited"));
   EXPECT_EQ(2, GetBinCount("NewTabPage.MostVisited.foobar", 1));
   EXPECT_EQ(1, GetBinCount("NewTabPage.MostVisited.foobar", 5));
 }