[Blob] Added error reporting metrics to invalid message errors.

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 4e83b0cac636ed4d644433cf96baff8c8c672554..7b0552dfe0b5e47d7ec33178a39e12a68b04366c 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -51411,6 +51411,38 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="Storage.Blob.InvalidReferenceDec" enum="Boolean">
+  <owner>dmurph@chromium.org</owner>
+  <summary>
+    Counts the number of times we have an invalid reference decrement, where the
+    blob doesn't have a refcount in the host.
+  </summary>
+</histogram>
+
+<histogram name="Storage.Blob.InvalidReferenceInc" enum="Boolean">
+  <owner>dmurph@chromium.org</owner>
+  <summary>
+    Counts the number of times we have an invalid reference increment, where the
+    blob doesn't exist.
+  </summary>
+</histogram>
+
+<histogram name="Storage.Blob.InvalidURLRegister" enum="Boolean">
+  <owner>dmurph@chromium.org</owner>
+  <summary>
+    Counts the number of times we have an invalid url registration call, where
+    the blob isn't being used in the host or we already have the url registered.
+  </summary>
+</histogram>
+
+<histogram name="Storage.Blob.InvalidURLRevoke" enum="Boolean">
+  <owner>dmurph@chromium.org</owner>
+  <summary>
+    Counts the number of times we have an invalid url revoke call, where the url
+    isn't registered.
+  </summary>
+</histogram>
+
 <histogram name="Storage.Blob.ItemCount" units="Blob Items">
   <owner>dmurph@chromium.org</owner>
   <summary>