Support remote installation of extensions and apps.

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 c7418c124263f06c2449a0bbd94e8d97eaf9eb68..8ba548ef00088580698241f4d5e0ee68e0febcc6 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -5914,6 +5914,15 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
+<histogram name="Extensions.DisabledUIUserResponseRemoteInstall"
+    enum="ExtensionDisabledUIUserResponse">
+  <owner>mek@chromium.org</owner>
+  <summary>
+    User response to the dialog shown when an extension is disabled due to it
+    having been installed remotely.
+  </summary>
+</histogram>
+
 <histogram name="Extensions.ErrorCodeFromCrxOpen">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <summary>
@@ -34365,6 +34374,7 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   <int value="5" label="External install prompt"/>
   <int value="6" label="Post install permissions prompt"/>
   <int value="7" label="Launch prompt"/>
+  <int value="8" label="Remote install prompt"/>
 </enum>
 
 <enum name="ExtensionInstallVerifierGetSignatureResult" type="int">