Settings reset prompt: add more UI metrics.

tools/metrics/actions/actions.xml

Index: tools/metrics/actions/actions.xml
diff --git a/tools/metrics/actions/actions.xml b/tools/metrics/actions/actions.xml
index 91a7f4545bebf889b1f6ec9fdb7a22a1a52c0c7c..41511477ac40058b2d5568c48972855772352420 100644
--- a/tools/metrics/actions/actions.xml
+++ b/tools/metrics/actions/actions.xml
@@ -14484,7 +14484,17 @@ should be able to be added at any place in this file.
 
 <action name="SettingsResetPrompt_Declined">

[csharp, 2017/04/07 18:23:28]

As discussed, probably worth deprecating this and creating a new cancelled
action (to help make the difference between declined and dismissed clearer)

[alito, 2017/04/07 19:58:58]

Done.

   <owner>alito@chromium.org</owner>
-  <description>The user declined the settings reset prompt.</description>
+  <description>
+    The user clicked the cancel button in the settings reset prompt dialog.
+  </description>
+</action>
+
+<action name="SettingsResetPrompt_Dismissed">
+  <owner>alito@chromium.org</owner>
+  <description>
+    The user dismissed the settings reset prompt, for example by clicking the x
+    in the top right corner or pressing the Escape key.
+  </description>
 </action>
 
 <action name="SettingsResetPrompt_Shown">