| Index: tools/metrics/histograms/histograms.xml
 | 
| diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
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| index 48c2d2989b40f5ceb80175dc8d9f98eb61eed380..4377672168356615f6368010ea10896628838f74 100644
 | 
| --- a/tools/metrics/histograms/histograms.xml
 | 
| +++ b/tools/metrics/histograms/histograms.xml
 | 
| @@ -37469,6 +37469,10 @@ Therefore, the affected-histogram name has to have at least one dot in it.
 | 
|    <int value="798"
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|        label="FILESYSTEMPROVIDERINTERNAL_OPERATIONREQUESTEDSUCCESS"/>
 | 
|    <int value="799" label="GUESTVIEWINTERNAL_CREATEGUEST"/>
 | 
| +  <int value="800" label="TABS_SETZOOM"/>
 | 
| +  <int value="801" label="TABS_GETZOOM"/>
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| +  <int value="802" label="TABS_SETZOOMSETTINGS"/>
 | 
| +  <int value="803" label="TABS_GETZOOMSETTINGS"/>
 | 
|  </enum>
 | 
|  
 | 
|  <enum name="ExtensionInstallCause" type="int">
 | 
| 
 |