Record histograms for on-demand update check results.

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 efa4fd7c75b9b5bfb78ef89563c56e0fb3ba5d4d..0976bd9367e5947143a1caa2253b9523a6cf210f 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -9462,6 +9462,16 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
+<histogram name="GoogleUpdate.ErrorHresult">
+  <owner>grt@chromium.org</owner>
+  <summary>The HRESULT for a failed on-demand update check.</summary>
+</histogram>
+
+<histogram name="GoogleUpdate.UpdateErrorCode" enum="GoogleUpdateErrorCode">
+  <owner>grt@chromium.org</owner>
+  <summary>The error code for a failed on-demand update check.</summary>
+</histogram>
+
 <histogram name="GoogleUpdate.UpdatePolicyIsOverridden" enum="Boolean">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <summary>
@@ -9471,6 +9481,11 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
+<histogram name="GoogleUpdate.UpgradeResult" enum="GoogleUpdateUpgradeResult">
+  <owner>grt@chromium.org</owner>
+  <summary>The result of an on-demand update check.</summary>
+</histogram>
+
 <histogram name="GPU.AcceleratedSurfaceRefreshRate" units="hz">
   <owner>vangelis@chromium.org</owner>
   <summary>
@@ -43962,6 +43977,28 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   <int value="12" label="SERVICE_ERROR"/>
 </enum>
 
+<enum name="GoogleUpdateErrorCode" type="int">
+  <int value="0" label="GOOGLE_UPDATE_NO_ERROR"/>
+  <int value="1" label="CANNOT_UPGRADE_CHROME_IN_THIS_DIRECTORY"/>
+  <int value="2" label="GOOGLE_UPDATE_JOB_SERVER_CREATION_FAILED"/>
+  <int value="3" label="GOOGLE_UPDATE_ONDEMAND_CLASS_NOT_FOUND"/>
+  <int value="4" label="GOOGLE_UPDATE_ONDEMAND_CLASS_REPORTED_ERROR"/>
+  <int value="5" label="GOOGLE_UPDATE_GET_RESULT_CALL_FAILED"/>
+  <int value="6" label="GOOGLE_UPDATE_GET_VERSION_INFO_FAILED"/>
+  <int value="7" label="GOOGLE_UPDATE_ERROR_UPDATING"/>
+  <int value="8" label="GOOGLE_UPDATE_DISABLED_BY_POLICY"/>
+  <int value="9" label="GOOGLE_UPDATE_DISABLED_BY_POLICY_AUTO_ONLY"/>
+</enum>
+
+<enum name="GoogleUpdateUpgradeResult" type="int">
+  <int value="0" label="UPGRADE_STARTED"/>
+  <int value="1" label="UPGRADE_CHECK_STARTED"/>
+  <int value="2" label="UPGRADE_IS_AVAILABLE"/>
+  <int value="3" label="UPGRADE_SUCCESSFUL"/>
+  <int value="4" label="UPGRADE_ALREADY_UP_TO_DATE"/>
+  <int value="5" label="UPGRADE_ERROR"/>
+</enum>
+
 <enum name="HIDContinueScenarioType" type="int">
   <summary>Possible detected devices combination on leaving dialog</summary>
   <int value="0" label="Pointing device only detected."/>