Flag canvas-imageSmoothingQuality-pixel.html with Timeout on Linux

Bug:816045
Change-Id: I97363e9bb2e988fbe8de065286ccc64ec767f98f

TBR=junov@chromium.org

Change-Id: I97363e9bb2e988fbe8de065286ccc64ec767f98f
Reviewed-on: https://chromium-review.googlesource.com/937641
Commit-Queue: Mohammad Reza Zakerinasab <zakerinasab@chromium.org>
Reviewed-by: Mohammad Reza Zakerinasab <zakerinasab@chromium.org>
Cr-Commit-Position: refs/heads/master@{#539140}

third_party/WebKit/LayoutTests/TestExpectations

@@ -105,6 +105,8 @@ crbug.com/653722 virtual/disable-spv175/compositing/reflections/nested-reflectio
 crbug.com/664852 virtual/gpu/fast/canvas/canvas-createImageBitmap-webgl.html [ Pass Failure ]
 crbug.com/664852 virtual/gpu/fast/canvas/OffscreenCanvas-2d-drawImage.html [ Pass Failure ]
 
+crbug.com/816045 [ Linux ] virtual/gpu/fast/canvas/canvas-imageSmoothingQuality-pixel.html [ Pass Timeout ]
+
 ########## Bugs to fix ##########
 # This is a missing event and increasing the timeout or using run-after-layout-and-paint doesn't
 # seem to fix it.