| Index: LayoutTests/fast/files/apply-blob-url-to-xhr.html
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| diff --git a/LayoutTests/fast/files/apply-blob-url-to-xhr.html b/LayoutTests/fast/files/apply-blob-url-to-xhr.html
 | 
| index 0c23d13ceb2fa6558e94b6f30faa45d8db2831e3..01703b1fdc8b83e07623f258de61add139035b11 100644
 | 
| --- a/LayoutTests/fast/files/apply-blob-url-to-xhr.html
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| +++ b/LayoutTests/fast/files/apply-blob-url-to-xhr.html
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| @@ -45,6 +45,8 @@ function onInputFileChange()
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|  
 | 
|  function runTests()
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|  {
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| +    // Mouse events only work after an initial layout
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| +    document.body.offsetLeft;
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|      eventSender.beginDragWithFiles(['resources/UTF8.txt']);
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|      eventSender.mouseMoveTo(10, 10);
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|      eventSender.mouseUp();
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| 
 |