CPM Page Load timing

chrome/browser/performance_monitor/metric_details.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/performance_monitor/metric_details.h"
 
 #include "base/logging.h"
 #include "chrome/browser/performance_monitor/constants.h"
 
 namespace performance_monitor {
@@ skipping 40 matching lines @@
 const char kMetricTestStartupTimeUnits[] = "microseconds";
 const double kMetricTestStartupTimeTickSize = 5000000;
 
 // Session Restore Time
 const char kMetricSessionRestoreTimeName[] = "Session Restore Time";
 const char kMetricSessionRestoreTimeDescription[] =
     "The session restore time measured in microseconds";
 const char kMetricSessionRestoreTimeUnits[] = "microseconds";
 const double kMetricSessionRestoreTimeTickSize = 5000000;
 
+// Page Load Time
+const char kMetricPageLoadTimeName[] = "Page Load Time";
+const char kMetricPageLoadTimeDescription[] =
+    "The amount of time taken to load a page measured in microseconds.";
+const char kMetricPageLoadTimeUnits[] = "microseconds";
+const double kMetricPageLoadTimeTickSize = 30000000.0;
+
 // Keep this array synced with MetricTypes in the header file.
 // TODO(mtytel): i18n.
 const MetricDetails kMetricDetailsList[] = {
   {
     kMetricCPUUsageName,
     kMetricCPUUsageDescription,
     kMetricCPUUsageUnits,
     kMetricCPUUsageTickSize,
   },
   {
@@ skipping 18 matching lines @@
     kMetricTestStartupTimeName,
     kMetricTestStartupTimeDescription,
     kMetricTestStartupTimeUnits,
     kMetricTestStartupTimeTickSize
   },
   {
     kMetricSessionRestoreTimeName,
     kMetricSessionRestoreTimeDescription,
     kMetricSessionRestoreTimeUnits,
     kMetricSessionRestoreTimeTickSize
+  },
+  {
+    kMetricPageLoadTimeName,
+    kMetricPageLoadTimeDescription,
+    kMetricPageLoadTimeUnits,
+    kMetricPageLoadTimeTickSize
   }
 };
 COMPILE_ASSERT(ARRAYSIZE_UNSAFE(kMetricDetailsList) == METRIC_NUMBER_OF_METRICS,
                metric_names_incorrect_size);
 
 }  // namespace
 
 const MetricDetails* GetMetricDetails(MetricType metric_type) {
   DCHECK_GT(METRIC_NUMBER_OF_METRICS, metric_type);
   return &kMetricDetailsList[metric_type];
 }
 
 }  // namespace performance_monitor