| Index: tools/telemetry/telemetry/browser_finder.py
 | 
| diff --git a/tools/telemetry/telemetry/browser_finder.py b/tools/telemetry/telemetry/browser_finder.py
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| index afc7930864beb7de3aa2ef8dabe9f7790d436007..f75638db9c3f6ab4509cd2343f126b5947b959f4 100644
 | 
| --- a/tools/telemetry/telemetry/browser_finder.py
 | 
| +++ b/tools/telemetry/telemetry/browser_finder.py
 | 
| @@ -53,7 +53,8 @@ def FindBrowser(options):
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|        return None
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|  
 | 
|    matching_browsers = [b for b in browsers
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| -                       if b.browser_type == options.browser_type]
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| +      if b.browser_type == options.browser_type and
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| +         (len(options.extensions_to_load) == 0 or b.supports_extensions)]
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|  
 | 
|    if len(matching_browsers) == 1:
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|      return matching_browsers[0]
 | 
| 
 |