Revert 278483 "[Downloads] Retry renames after transient failures."

trunk/src/tools/metrics/histograms/histograms.xml

Index: trunk/src/tools/metrics/histograms/histograms.xml
===================================================================
--- trunk/src/tools/metrics/histograms/histograms.xml	(revision 278536)
+++ trunk/src/tools/metrics/histograms/histograms.xml	(working copy)
@@ -4736,15 +4736,6 @@
   </summary>
 </histogram>
 
-<histogram name="Download.MapWinShErrorTransientError"
-    enum="SpecialShFileOperationCodes">
-  <owner>asanka@chromium.org</owner>
-  <summary>
-    Windows error that produced a DOWNLOAD_INTERRUPT_REASON_FILE_TRANSIENT_ERROR
-    result in MapShFileOperationCodes().
-  </summary>
-</histogram>
-
 <histogram name="Download.OnChanged">
   <owner>asanka@chromium.org</owner>
   <summary>
@@ -4878,24 +4869,6 @@
   <summary>Time between the start of a download and its completion.</summary>
 </histogram>
 
-<histogram name="Download.TimeToRenameFailureAfterInitialFailure"
-    units="milliseconds">
-  <owner>asanka@chromium.org</owner>
-  <summary>
-    Time elapsed until a retried download file rename operation failed for the
-    last time after the initial rename failed.
-  </summary>
-</histogram>
-
-<histogram name="Download.TimeToRenameSuccessAfterInitialFailure"
-    units="milliseconds">
-  <owner>asanka@chromium.org</owner>
-  <summary>
-    Time elapsed until a retried download file rename operation succeeded after
-    the initial rename failed.
-  </summary>
-</histogram>
-
 <histogram name="Download.UserDiscard" enum="DownloadItem.DangerType">
   <owner>asanka@chromium.org</owner>
   <owner>felt@chromium.org</owner>
@@ -44113,9 +44086,7 @@
 
 <enum name="SpecialShFileOperationCodes" type="int">
   <summary>Legacy error codes still returned by |ShFileOperation()|</summary>
-  <int value="5" label="Access denied (Win32)"/>
-  <int value="32" label="Sharing violation (Win32)"/>
-  <int value="87" label="Invalid parameter (Win32)"/>
+  <int value="5" label="Access denied"/>
   <int value="113" label="Source and Destination are same file"/>
   <int value="114" label="Multiple source mapped to single destination"/>
   <int value="115" label="Rename to different directory"/>