Battery impact UMA

tools/metrics/histograms/histograms.xml

Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index 1ffa31496a7c71ef8fa5ab8aa3024bcddd138e9f..23729eb4c6b9dc9aa24d950e41889d3690f129bf 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -25187,6 +25187,16 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
+<histogram name="Power.BatteryDischargePercentPerHour" units="%">
+  <owner>jeremy@chromium.org</owner>
+  <summary>
+    The amount of power used per hour. Reported every time the system is on
+    battery power for more than 30 minutes. This measurement is tied tightly to
+    hardware model/OS and is not camparable across differently hardware
+    configurations.
+  </summary>
+</histogram>
+
 <histogram name="Power.BatteryDischargeRate" units="mW">
   <owner>derat@chromium.org</owner>
   <summary>
@@ -25195,6 +25205,33 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
+<histogram name="Power.BatteryDischargeRate_15" units="%">
+  <owner>Jeremy@chromium.org</owner>
+  <summary>
+    The percent of depleted battery charge over the first 15 minutes after the
+    system goes on battery power. This measurement is tied tightly to hardware
+    model/OS and is not camparable across differently hardware configurations.
+  </summary>
+</histogram>
+
+<histogram name="Power.BatteryDischargeRate_30" units="%">
+  <owner>Jeremy@chromium.org</owner>
+  <summary>
+    The percent of depleted battery charge over the first 30 minutes after the
+    system goes on battery power. This measurement is tied tightly to hardware
+    model/OS and is not camparable across differently hardware configurations.
+  </summary>
+</histogram>
+
+<histogram name="Power.BatteryDischargeRate_5" units="%">
+  <owner>Jeremy@chromium.org</owner>
+  <summary>
+    The percent of depleted battery charge over the first 5 minutes after the
+    system goes on battery power. This measurement is tied tightly to hardware
+    model/OS and is not camparable across differently hardware configurations.
+  </summary>
+</histogram>
+
 <histogram name="Power.BatteryDischargeRateWhileSuspended" units="mW">
   <owner>derat@chromium.org</owner>
   <summary>
@@ -25206,6 +25243,15 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
+<histogram name="Power.BatteryDischargeReportsCancelled" units="count">
+  <owner>jeremy@chromium.org</owner>
+  <summary>
+    The number of times an error was detected reporting Power.BatteryDischarge_*
+    due to the actual delay being much greater than the expected delay in taking
+    the measurement.
+  </summary>
+</histogram>
+
 <histogram name="Power.BatteryInfoSample" enum="BatteryInfoSampleResult">
   <owner>derat@chromium.org</owner>
   <summary>