Move Instant related histograms to tools/metrics/histograms/histograms.xml

tools/metrics/histograms/histograms.xml

 <!--
 Copyright 2013 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 used to generate a comprehensive list of Chrome histograms along
 with a detailed description for each histogram.
 
@@ skipping 860 matching lines @@
 <histogram name="Import.ImporterType.BookmarksAPI" enum="ImporterType">
   <summary>The importer used on import from the bookmarks file API.</summary>
 </histogram>
 
 <histogram name="Import.ImporterType.ImportDataHandler" enum="ImporterType">
   <summary>
     The importer used on import from the chrome://settings/importData UI.
   </summary>
 </histogram>
 
+<histogram name="Instant.InstantControllerEvent" enum="InstantControllerEvent">
+  <summary>
+    Records various events of interest in the InstantController. E.g. When URLs
+    are blacklisted.
+  </summary>
+</histogram>
+
+<histogram name="Instant.SessionsStorageNamespace"
+    enum="InstantSessionStorageNamespace">
+  <summary>
+    How often an Instant preview is committed onto a different tab than it was
+    created from.
+  </summary>
+</histogram>
+
+<histogram name="Instant.TimeToFirstShow" units="milliseconds">
+  <summary>
+    The time between the first Omnibox interaction and when the Instant preview
+    shows. If the instant preview was already showing when the user interacted
+    with the omnibox, this histogram is not recorded.
+  </summary>
+</histogram>
+
 <histogram name="InstantExtended.InstantNavigation"
     enum="InstantExtended_InstantNavigation">
   <summary>
     Records a histogram for instant extended (Local NTP and Online NTP) and
     non-extended navigations.
   </summary>
 </histogram>
 
+<histogram name="InstantExtended.OptInState" enum="InstantExtended_OptInState">
+  <summary>
+    Records, on startup, whether the user has chosen to opt-in to or opt-out of
+    InstantExtended via chrome://flags.
+  </summary>
+</histogram>
+
+<histogram name="InstantExtended.PrefValue" enum="BooleanEnabled">
+  <summary>
+    Records, on startup, the value of the &quot;Allow your search engine to
+    provide Instant result&quot; preference setting for the first profile
+    loaded.
+  </summary>
+</histogram>
+
 <histogram name="LevelDBEnv.IDB.IOError" enum="LevelDBIOErrorMethods">
   <summary>
     Methods where leveldb's Chromium environment has IO errors when being used
     by IndexedDB.
   </summary>
 </histogram>
 
 <histogram name="LevelDBEnv.IDB.IOError." enum="PlatformFileError">
   <summary>
     PlatformFileErrors encountered by a single leveldb env method.
@@ skipping 8425 matching lines @@
 </enum>
 
 <enum name="IndexedDatabaseMethods" type="int">
   <int value="0" label="CreateObjectStore()"/>
   <int value="1" label="DeleteObjectStore()"/>
   <int value="2" label="Transaction()"/>
   <int value="3" label="DeleteDatabase()"/>
   <int value="4" label="Open()"/>
 </enum>
 
+<enum name="InstantControllerEvent" type="int">
+  <int value="0" label="URL_ADDED_TO_BLACKLIST"/>
+  <int value="1" label="URL_REMOVED_FROM_BLACKLIST"/>
+  <int value="2" label="URL_BLOCKED_BY_BLACKLIST"/>
+</enum>
+
 <enum name="InstantExtended_InstantNavigation" type="int">
   <int value="0" label="Local click"/>
   <int value="1" label="Local submit"/>
   <int value="2" label="Online click"/>
   <int value="3" label="Online submit"/>
   <int value="4" label="Non-extended navigation"/>
 </enum>
 
+<enum name="InstantExtended_OptInState" type="int">
+  <int value="0" label="Default"/>
+  <int value="1" label="Opted in"/>
+  <int value="2" label="Opted out"/>
+  <int value="3" label="Opted in local"/>
+  <int value="4" label="Opted out local"/>
+  <int value="5" label="Opted out both"/>
+</enum>
+
+<enum name="InstantSessionStorageNamespace" type="int">
+  <int value="0" label="different"/>
+  <int value="1" label="identical"/>
+</enum>
+
 <enum name="IntelMaxMicroArchitecture" type="int">
   <int value="0" label="Pentium"/>
   <int value="1" label="SSE"/>
   <int value="2" label="SSE2"/>
   <int value="3" label="SSE3"/>
   <int value="4" label="SSSE3"/>
   <int value="5" label="SSE4.1"/>
   <int value="6" label="SSE4.3"/>
   <int value="7" label="AVX"/>
 </enum>
@@ skipping 1826 matching lines @@
   <affected-histogram name="NetConnectivity.Pipeline.4.Status"/>
   <affected-histogram name="NetConnectivity.Pipeline.5.NetworkError"/>
   <affected-histogram name="NetConnectivity.Pipeline.5.ResponseCode"/>
   <affected-histogram name="NetConnectivity.Pipeline.5.Status"/>
   <affected-histogram name="NetConnectivity.Pipeline.AllHTTP11"/>
   <affected-histogram name="NetConnectivity.Pipeline.CanarySuccess"/>
   <affected-histogram name="NetConnectivity.Pipeline.Depth"/>
   <affected-histogram name="NetConnectivity.Pipeline.Success"/>
 </fieldtrial>
 
+<fieldtrial name="Instant">
+  <group name="Extended" label="Suggestions + Results"/>
+  <group name="Instant" label="Results"/>
+  <affected-histogram name="Instant.SessionsStorageNamespace"/>
+</fieldtrial>
+
 <fieldtrial name="LateBindingExperiment">
   <group name="disable_late_binding" label="socket late binding is disabled"/>
   <group name="enable_late_binding" label="socket late binding is enabled"/>
   <affected-histogram name="Net.SocketIdleTimeBeforeNextUse_ReusedSocket"/>
   <affected-histogram name="Net.SocketIdleTimeBeforeNextUse_UnusedSocket"/>
   <affected-histogram name="Net.SocketIdleTimeOnIOError2_ReusedSocket"/>
   <affected-histogram name="Net.SocketIdleTimeOnIOError2_UnusedSocket"/>
   <affected-histogram name="Net.TCPSocketType"/>
   <affected-histogram name="Net.Transaction_Connected"/>
   <affected-histogram name="Net.Transaction_Connected_Under_10"/>
@@ skipping 865 matching lines @@
 <fieldtrial name="SSLResumption">
   <group name="Resume_Handshake" label="Session Resumption"/>
   <group name="Full_Handshake" label="Full"/>
   <affected-histogram name="Net.SSL_Connection_Latency"/>
   <affected-histogram name="Net.SSL_Connection_Latency_Google"/>
 </fieldtrial>
 
 </fieldtrials>
 
 </histogram-configuration>