Remove a number of non-user triggered UMA actions.

tools/metrics/actions/actions.xml

 <!--
 Copyright 2014 The Chromium Authors. All rights reserved.
 Use of this source code is governed by a BSD-style license that can be
 found in the LICENSE file.
 -->
 
 <!--
 This file is a comprehensive list of Chrome user actions along with the owner
 and description for each user action. A user action should be tied to an actual
 action taken by a user. It should be logged immediately after a user takes the
@@ skipping 4130 matching lines @@
 </action>
 
 <action name="ForwardMenu_ShowFullHistory">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <description>Please enter the description of this user action.</description>
 </action>
 
 <action name="FrameLoad" not_user_triggered="true">
   <owner>thestig@chromium.org</owner>
   <description>Count of successful frame loads to new pages.</description>
+  <obsolete>No longer tracked.</obsolete>
 </action>
 
 <action name="FrameLoadWithFlash" not_user_triggered="true">
   <owner>thestig@chromium.org</owner>
   <description>Count of frame loads that also load PPAPI Flash.</description>
+  <obsolete>No longer tracked.</obsolete>
 </action>
 
 <action name="Gesture_Overview">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <description>Please enter the description of this user action.</description>
 </action>
 
 <action name="Go">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <description>Please enter the description of this user action.</description>
@@ skipping 5663 matching lines @@
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <description>Please enter the description of this user action.</description>
 </action>
 
 <action name="NativeUI_Applications">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <description>Please enter the description of this user action.</description>
 </action>
 
 <action name="NavEntryCommitted" not_user_triggered="true">
-  <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
+  <owner>mpearson@chromium.org</owner>
   <description>Please enter the description of this user action.</description>
 </action>
 
 <action name="NavEntryCommitted.SRP" not_user_triggered="true">
-  <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
+  <owner>mpearson@chromium.org</owner>
   <description>Please enter the description of this user action.</description>
 </action>
 
 <action name="Net.URLRequest_StartJob_InvalidReferrer">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <description>Please enter the description of this user action.</description>
 </action>
 
 <action name="NewIncognitoWindow">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
@@ skipping 5496 matching lines @@
 <action name="webapps.AddShortcut.Manifest">
   <owner>mlamouri@chromium.org</owner>
   <description>
     Shortcut added to the homescreen with a valid Manifest. This action will be
     recorded in addition to AppShortcut, AppShortcutApple and Bookmark actions
     to keep a trend of whether the webapp also add meta tags.
   </description>
 </action>
 
 </actions>