Add Startup Timing to CPM

chrome/browser/performance_monitor/constants.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/constants.h"
 
 namespace performance_monitor {
 
 // TODO(chebert): i18n on all constants.
 
@@ skipping 35 matching lines @@
 const char kMetricPrivateMemoryUsageUnits[] = "bytes";
 const double kMetricPrivateMemoryUsageTickSize = 10000000.0;
 
 // Shared Memory Usage
 const char kMetricSharedMemoryUsageName[] = "Shared Memory Usage";
 const char kMetricSharedMemoryUsageDescription[] =
     "The total shared memory usage of all chrome processes measured in bytes.";
 const char kMetricSharedMemoryUsageUnits[] = "bytes";
 const double kMetricSharedMemoryUsageTickSize = 10000000.0;
 
+// Startup Time
+const char kMetricStartupTimeName[] = "Startup Time";
+const char kMetricStartupTimeDescription[] =
+    "The startup time measured in microseconds";
+const char kMetricStartupTimeUnits[] = "microseconds";
+const double kMetricStartupTimeTickSize = 5000000;
+
+// Test Startup Time
+const char kMetricTestStartupTimeName[] = "Test Startup Time";
+const char kMetricTestStartupTimeDescription[] =
+    "The startup time of test startups measured in microseconds";
+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;
+
 }  // namespace performance_monitor