Rewrite flaky canvas test to testharness.js to sidestep issue

third_party/WebKit/LayoutTests/fast/canvas/canvas-lose-restore-googol-size-expected.txt

Index: third_party/WebKit/LayoutTests/fast/canvas/canvas-lose-restore-googol-size-expected.txt
diff --git a/third_party/WebKit/LayoutTests/fast/canvas/canvas-lose-restore-googol-size-expected.txt b/third_party/WebKit/LayoutTests/fast/canvas/canvas-lose-restore-googol-size-expected.txt
deleted file mode 100644
index e6cb1de2c59aa0bc8765941b92b8c87fe5a454e0..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/fast/canvas/canvas-lose-restore-googol-size-expected.txt
+++ /dev/null
@@ -1,23 +0,0 @@
-Tests to ensure correct behaviour of canvas loss and restoration when size is extremely large then, restored to a reasonable value.
-
-On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
-
-
-PASS contextLostTest is false
-PASS ctx.isContextLost() is false
-PASS contextLostTest is true
-PASS ctx.isContextLost() is true
-PASS contextLostTest is true
-PASS ctx.isContextLost() is true
-PASS contextLostTest is true
-PASS ctx.isContextLost() is true
-PASS successfullyParsed is true
-
-TEST COMPLETE
-PASS Graphics context lost event dispatched.
-PASS contextLostTest is true
-PASS ctx.isContextLost() is true
-PASS Context restored event dispatched after context lost.
-PASS contextLostTest is false
-PASS ctx.isContextLost() is false
-