Use asserts in origin trials layout tests

third_party/WebKit/LayoutTests/http/tests/origin_trials/webexposed/imagecapture-origin-trial-interfaces-script-added-expected.txt

Index: third_party/WebKit/LayoutTests/http/tests/origin_trials/webexposed/imagecapture-origin-trial-interfaces-script-added-expected.txt
diff --git a/third_party/WebKit/LayoutTests/http/tests/origin_trials/webexposed/imagecapture-origin-trial-interfaces-script-added-expected.txt b/third_party/WebKit/LayoutTests/http/tests/origin_trials/webexposed/imagecapture-origin-trial-interfaces-script-added-expected.txt
index b8ce664633fb083161579bdc79b28b9b7fd644fe..2ae8be4cb93ccf5400999a529ce1b824ce454c3b 100644
--- a/third_party/WebKit/LayoutTests/http/tests/origin_trials/webexposed/imagecapture-origin-trial-interfaces-script-added-expected.txt
+++ b/third_party/WebKit/LayoutTests/http/tests/origin_trials/webexposed/imagecapture-origin-trial-interfaces-script-added-expected.txt
@@ -1,67 +1,5 @@
-CONSOLE MESSAGE: line 17: Interfaces before adding trial token
-interface ImageCapture
-    getter videoStreamTrack
-    method constructor
-    method getPhotoCapabilities
-    method grabFrame
-    method setOptions
-    method takePhoto
-interface MediaSettingsRange
-    getter current
-    getter max
-    getter min
-    getter step
-    method constructor
-interface PhotoCapabilities
-    getter brightness
-    getter colorTemperature
-    getter contrast
-    getter exposureCompensation
-    getter exposureMode
-    getter fillLightMode
-    getter focusMode
-    getter imageHeight
-    getter imageWidth
-    getter iso
-    getter redEyeReduction
-    getter saturation
-    getter sharpness
-    getter whiteBalanceMode
-    getter zoom
-    method constructor
-CONSOLE MESSAGE: line 27: Interfaces after adding trial token
-interface ImageCapture
-    getter videoStreamTrack
-    method constructor
-    method getPhotoCapabilities
-    method grabFrame
-    method setOptions
-    method takePhoto
-interface MediaSettingsRange
-    getter current
-    getter max
-    getter min
-    getter step
-    method constructor
-interface PhotoCapabilities
-    getter brightness
-    getter colorTemperature
-    getter contrast
-    getter exposureCompensation
-    getter exposureMode
-    getter fillLightMode
-    getter focusMode
-    getter imageHeight
-    getter imageWidth
-    getter iso
-    getter redEyeReduction
-    getter saturation
-    getter sharpness
-    getter whiteBalanceMode
-    getter zoom
-    method constructor
 This is a testharness.js-based test.
-PASS ImageCapture related interfaces before adding trial token via script. 
+FAIL ImageCapture related interfaces before adding trial token via script. assert_equals: Interface ImageCapture exists on provided object expected false but got true
 PASS ImageCapture related interfaces after adding trial token via script. 
 Harness: the test ran to completion.