Performance monitor stats gathering.

chrome/browser/performance_monitor/constants.cc

Index: chrome/browser/performance_monitor/constants.cc
diff --git a/chrome/browser/performance_monitor/constants.cc b/chrome/browser/performance_monitor/constants.cc
index 298b9bc467c7aac6b7cbc5d3e07eaf8e1a985526..c707221bbbcfa57c03b8413c18bdd228bbe93ca4 100644
--- a/chrome/browser/performance_monitor/constants.cc
+++ b/chrome/browser/performance_monitor/constants.cc
@@ -6,8 +6,6 @@
 
 namespace performance_monitor {
 
-// The key to insert/retrieve information about the chrome version from the
-// database.
 const char kStateChromeVersion[] = "chrome_version";
 const char kMetricNotFoundError[] = "Mertic details not found.";
 const char kProcessChromeAggregate[] = "chrome_aggregate";
@@ -19,9 +17,14 @@ const double kMetricCPUUsageTickSize = 100.0;
 
 const char kMetricPrivateMemoryUsageName[] = "Private Memory Usage";
 const char kMetricPrivateMemoryUsageDescription[] =
-    "The private memory usage measured in bytes.";
-const char kMetricPrivateMemoryUsageUnits[] = "percent";
+    "The total private memory usage of all chrome processes measured in bytes.";
+const char kMetricPrivateMemoryUsageUnits[] = "bytes";
 const double kMetricPrivateMemoryUsageTickSize = 10000000.0;
 
+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;
 
 }  // namespace performance_monitor