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 72b0586ce582bce6fc42fe9b0bf135e45b6f98c7..017d236606127505b5a6ad2c3565b3f90c39590f 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -9638,6 +9638,16 @@ 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>
@@ -9647,6 +9657,11 @@ 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>
@@ -44621,6 +44636,28 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   <int value="13" label="WEB_LOGIN_REQUIRED"/>
 </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."/>