[BlobAsync] Asynchronous Blob Construction Final Patch

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 d3a375b4b8d0b3d90676c121ff92c2199bb1301f..323f6ef3f21cd4ea678d3a080520ad672b411671 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -49572,6 +49572,22 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="Storage.Blob.Broken" units="BooleanBroken">
+  <owner>dmurph@chromium.org</owner>
+  <summary>
+    If a newly constructed blob is broken. See Storage.Blob.BrokenReason for a
+    the broken reasons.
+  </summary>
+</histogram>
+
+<histogram name="Storage.Blob.BrokenReason" units="BlobBrokenReason">
+  <owner>dmurph@chromium.org</owner>
+  <summary>
+    The reason a blob is broken, reported only for broken blobs. See
+    Storage.Blob.Broken for the number of blobs broken.
+  </summary>
+</histogram>
+
 <histogram name="Storage.Blob.ExceededMemory" enum="Boolean">
   <owner>dmurph@chromium.org</owner>
   <summary>
@@ -59413,6 +59429,9 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   <int value="111" label="WSH_SEND_FRAME_DURING_BLOB_SEND"/>
   <int value="112" label="RFH_UNEXPECTED_LOAD_START"/>
   <int value="113" label="NMF_INVALID_ARGUMENT"/>
+  <int value="114" label="BDH_UUID_REGISTERED"/>
+  <int value="115" label="BDH_CONSTRUCTION_FAILED"/>
+  <int value="116" label="BDH_INVALID_OPERATION"/>
 </enum>
 
 <enum name="BadMessageReasonExtensions" type="int">
@@ -59500,6 +59519,14 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   <int value="5" label="Blacklist disabled."/>
 </enum>
 
+<enum name="BlobBrokenReason" type="int">
+  <int value="0" label="Unknown"/>
+  <int value="1" label="File write failed"/>
+  <int value="2" label="Source died in transit"/>
+  <int value="3" label="Blob dereferenced while building"/>
+  <int value="4" label="Referenced blob broken"/>
+</enum>
+
 <enum name="BluetoothAvailability" type="int">
   <int value="0" label="Unexpected error"/>
   <int value="1" label="Not available"/>
@@ -59635,6 +59662,11 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   <int value="1" label="Notification click (within last 5 seconds)"/>
 </enum>
 
+<enum name="BooleanBroken" type="int">
+  <int value="0" label="Not Broken"/>
+  <int value="1" label="Broken"/>
+</enum>
+
 <enum name="BooleanCacheHit" type="int">
   <int value="0" label="Miss"/>
   <int value="1" label="Hit"/>