Remove autocheckout code.

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 c809ee6bd148ed39f7ce126b7e50146cb8957b59..3dc980953820d582d701cbed662418b43eb22764 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -746,137 +746,6 @@ other types of suffix sets.
   </summary>
 </histogram>
 
-<histogram name="Autocheckout.Bubble" enum="AutocheckoutBubble">
-  <summary>
-    Measures the frequency of user interactions with the Autocheckout bubble,
-    which prompts users to invoke Autocheckout on supported websites.
-  </summary>
-</histogram>
-
-<histogram name="Autocheckout.BuyFlow" enum="AutocheckoutBuyFlow">
-  <summary>
-    Measures the frequency of final states reached in Autocheckout buy flow.
-  </summary>
-</histogram>
-
-<histogram name="Autocheckout.DismissalState"
-    enum="AutofillDialogDismissalState">
-  <summary>The state of the Autocheckout dialog when it was dismissed.</summary>
-</histogram>
-
-<histogram name="Autocheckout.FlowDuration" units="ms">
-  <summary>
-    Measures the time elapsed between when the user submitted the Autocheckout
-    dialog and when the Autocheckout flow, or filling process, concluded.
-  </summary>
-</histogram>
-
-<histogram name="Autocheckout.FlowDuration.Failed" units="ms">
-  <summary>
-    Measures the time elapsed between when the user submitted the Autocheckout
-    dialog and when the Autocheckout flow concluded, in cases where the flow
-    failed.
-  </summary>
-</histogram>
-
-<histogram name="Autocheckout.FlowDuration.Succeeded" units="ms">
-  <summary>
-    Measures the time elapsed between when the user submitted the Autocheckout
-    dialog and when the Autocheckout flow concluded, in cases where the flow
-    succeeded.
-  </summary>
-</histogram>
-
-<histogram name="Autocheckout.InitialUserState"
-    enum="AutofillDialogInitialUserState">
-  <summary>
-    The initial state of a user that's interacting with a freshly shown
-    Autocheckout dialog.
-  </summary>
-</histogram>
-
-<histogram name="Autocheckout.PopupInDialog" enum="AutofillDialogPopupEvent">
-  <summary>
-    User interactions with the Autofill popup shown while filling an
-    Autocheckout dialog.
-  </summary>
-</histogram>
-
-<histogram name="Autocheckout.Security" enum="AutofillDialogSecurity">
-  <summary>
-    Measures the frequency of security warnings and errors in the Autocheckout
-    dialog.
-  </summary>
-</histogram>
-
-<histogram name="Autocheckout.UiDuration" units="ms">
-  <summary>
-    Measures the duration for which an Autocheckout dialog was shown.
-  </summary>
-</histogram>
-
-<histogram name="Autocheckout.UiDuration.Cancel" units="ms">
-  <summary>
-    Measures the duration for which an Autocheckout dialog was shown, in cases
-    where the user ended up canceling out of the dialog.
-  </summary>
-</histogram>
-
-<histogram name="Autocheckout.UiDuration.Submit" units="ms">
-  <summary>
-    Measures the duration for which an Autocheckout dialog was shown, in cases
-    where the user ended up accepting the dialog.
-  </summary>
-</histogram>
-
-<histogram name="Autocheckout.UiEvents" enum="AutofillDialogUiEvents">
-  <summary>
-    Measures how users are interacting with the Autocheckout dialog UI.
-  </summary>
-</histogram>
-
-<histogram name="Autocheckout.UiLatencyToShow" units="ms">
-  <summary>
-    Measures the duration of time it takes for the Autocheckout UI to be
-    actionable by the user after it is shown.
-  </summary>
-</histogram>
-
-<histogram name="Autocheckout.WalletErrors" enum="WalletErrors">
-  <summary>
-    Measures the frequency of errors in communicating with the Google Online
-    Wallet server.
-  </summary>
-</histogram>
-
-<histogram name="Autocheckout.WalletRequiredActions"
-    enum="WalletRequiredActions">
-  <summary>
-    Measures the frequency of required user actions returned by the Google
-    Online Wallet server.
-  </summary>
-</histogram>
-
-<histogram name="Autocheckout.WhitelistDownloadDuration" units="ms">
-  <summary>
-    Measures time taken to download the Autocheckout whitelist file.
-  </summary>
-</histogram>
-
-<histogram name="Autocheckout.WhitelistDownloadDuration.Failed" units="ms">
-  <summary>
-    Measures time taken to download the Autocheckout whitelist file in case the
-    download was failed.
-  </summary>
-</histogram>
-
-<histogram name="Autocheckout.WhitelistDownloadDuration.Succeeded" units="ms">
-  <summary>
-    Measures time taken to download the Autocheckout whitelist file in case the
-    download was succeeded.
-  </summary>
-</histogram>

[Ilya Sherman, 2013/08/27 18:57:57]

Please mark the histograms as <obsolete> rather than deleting them.

[Raman Kakilate, 2013/08/27 21:52:59]

Done.

-
 <histogram name="Autofill.AddressSuggestionsCount">
   <summary>
     The number of address suggestions shown in the Autofill popup.
@@ -15796,22 +15665,6 @@ other types of suffix sets.
   <int value="10" label="k192000Hz"/>
 </enum>
 
-<enum name="AutocheckoutBubble" type="int">
-  <int value="0" label="Created"/>
-  <int value="1" label="Accepted"/>
-  <int value="2" label="Dismissed"/>
-  <int value="3" label="Ignored"/>
-  <int value="4" label="Could be displayed"/>
-</enum>
-
-<enum name="AutocheckoutBuyFlow" type="int">
-  <int value="0" label="Started"/>
-  <int value="1" label="Success"/>
-  <int value="2" label="Missing field mappings"/>
-  <int value="3" label="Missing advance element"/>
-  <int value="4" label="Cannot proceed"/>
-</enum>
-
 <enum name="AutofillCreditCardInfoBar" type="int">
   <int value="0" label="Shown"/>
   <int value="1" label="Accepted"/>