| Index: tools/metrics/histograms/histograms.xml | 
| diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml | 
| index ffee0f27ecd0ff81cfefc3930a06b29f9dd3fa15..965f14f32833eb74f289dc49feb8df674f6cff56 100644 | 
| --- a/tools/metrics/histograms/histograms.xml | 
| +++ b/tools/metrics/histograms/histograms.xml | 
| @@ -36335,6 +36335,14 @@ Therefore, the affected-histogram name has to have at least one dot in it. | 
| </summary> | 
| </histogram> | 
|  | 
| +<histogram name="Storage.Blob.ItemCount" units="Blob Items"> | 
| +  <owner>dmurph@chromium.org</owner> | 
| +  <summary> | 
| +    The number of blob items in a blob, recorded at blob construction. (Blobs | 
| +    are immutable, so this won't change afterwards). | 
| +  </summary> | 
| +</histogram> | 
| + | 
| <histogram name="Storage.Blob.StorageSizeAfterAppend" units="KB"> | 
| <owner>dmurph@chromium.org</owner> | 
| <summary> | 
|  |