ShapeDetection: Holding all of mock service to prevent GC

third_party/WebKit/LayoutTests/TestExpectations

Index: third_party/WebKit/LayoutTests/TestExpectations
diff --git a/third_party/WebKit/LayoutTests/TestExpectations b/third_party/WebKit/LayoutTests/TestExpectations
index 79c503c285942e622cb8cbe79fe7aa80c1d213aa..b70d1f860c842eecd50f47c754002d22f418f7f8 100644
--- a/third_party/WebKit/LayoutTests/TestExpectations
+++ b/third_party/WebKit/LayoutTests/TestExpectations
@@ -3378,7 +3378,7 @@ crbug.com/680407 [ Mac ] fast/forms/select/menulist-appearance-basic.html [ Need
 # No mock Mojo interface for services yet
 crbug.com/659139 [ Mac ] http/tests/shapedetection/shapedetection-cross-origin.html [ Skip ]
 crbug.com/659139 [ Mac ] virtual/mojo-loading/http/tests/shapedetection/shapedetection-cross-origin.html [ Skip ]
-#crbug.com/659139 [ Mac ] shapedetection/detection-HTMLCanvasElement.html [ Skip ]
+crbug.com/659139 [ Mac ] shapedetection/detection-HTMLCanvasElement.html [ Skip ]
 crbug.com/659139 [ Mac ] shapedetection/detection-HTMLImageElement.html [ Skip ]
 crbug.com/659139 [ Mac ] shapedetection/detection-HTMLVideoElement.html [ Skip ]
 crbug.com/659139 [ Mac ] shapedetection/detection-ImageBitmap.html [ Skip ]
@@ -3435,11 +3435,6 @@ crbug.com/708499 virtual/wheelscrolllatching/fast/compositor-wheel-scroll-latchi
 
 crbug.com/706091 [ Linux ] virtual/wheelscrolllatching/fast/events/wheel/wheel-scroll-latching-on-scrollbar.html [ Failure Pass ]
 
-# Sheriff failures 2017-04-03
-# Should be [ Crash Pass ], but this has a commented out [ Skip ] expectation
-# for Mac earlier in the file, so just skip it everywhere.
-crbug.com/707689 shapedetection/detection-HTMLCanvasElement.html [ Skip ]
-
 # Sheriff failures 2017-04-19
 crbug.com/713094 [ Win ] virtual/sharedarraybuffer/fast/css/fontfaceset-check-platform-fonts.html [ Failure Pass ]