[Experimental Framework] Only log a console message for each feature once

third_party/WebKit/LayoutTests/virtual/stable/webexposed/global-interface-listing-expected.txt

 CONSOLE WARNING: 'webkitOfflineAudioContext' is deprecated. Please use 'OfflineAudioContext' instead.
 CONSOLE WARNING: 'webkitAudioContext' is deprecated. Please use 'AudioContext' instead.
 CONSOLE WARNING: 'window.webkitStorageInfo' is deprecated. Please use 'navigator.webkitTemporaryStorage' or 'navigator.webkitPersistentStorage' instead.
 CONSOLE WARNING: 'webkitIDBTransaction' is deprecated. Please use 'IDBTransaction' instead.
 CONSOLE WARNING: 'webkitIDBRequest' is deprecated. Please use 'IDBRequest' instead.
 CONSOLE WARNING: 'webkitIDBObjectStore' is deprecated. Please use 'IDBObjectStore' instead.
 CONSOLE WARNING: 'webkitIDBKeyRange' is deprecated. Please use 'IDBKeyRange' instead.
 CONSOLE WARNING: 'webkitIDBIndex' is deprecated. Please use 'IDBIndex' instead.
 CONSOLE WARNING: 'webkitIDBFactory' is deprecated. Please use 'IDBFactory' instead.
 CONSOLE WARNING: 'webkitIDBDatabase' is deprecated. Please use 'IDBDatabase' instead.
 CONSOLE WARNING: 'webkitIDBCursor' is deprecated. Please use 'IDBCursor' instead.
 CONSOLE WARNING: 'webkitIndexedDB' is deprecated. Please use 'indexedDB' instead.
 CONSOLE ERROR: The 'WebBluetooth' feature is currently enabled in limited trials. Please see [Phosphor console URL] for information on enabling a trial for your site.
-CONSOLE ERROR: The 'WebBluetooth' feature is currently enabled in limited trials. Please see [Phosphor console URL] for information on enabling a trial for your site.
-CONSOLE ERROR: The 'WebBluetooth' feature is currently enabled in limited trials. Please see [Phosphor console URL] for information on enabling a trial for your site.
-CONSOLE ERROR: The 'WebBluetooth' feature is currently enabled in limited trials. Please see [Phosphor console URL] for information on enabling a trial for your site.
-CONSOLE ERROR: The 'WebBluetooth' feature is currently enabled in limited trials. Please see [Phosphor console URL] for information on enabling a trial for your site.
-CONSOLE ERROR: The 'WebBluetooth' feature is currently enabled in limited trials. Please see [Phosphor console URL] for information on enabling a trial for your site.
-CONSOLE ERROR: The 'WebBluetooth' feature is currently enabled in limited trials. Please see [Phosphor console URL] for information on enabling a trial for your site.
 CONSOLE WARNING: 'webkitURL' is deprecated. Please use 'URL' instead.
-CONSOLE ERROR: The 'WebBluetooth' feature is currently enabled in limited trials. Please see [Phosphor console URL] for information on enabling a trial for your site.
-CONSOLE ERROR: The 'WebBluetooth' feature is currently enabled in limited trials. Please see [Phosphor console URL] for information on enabling a trial for your site.
-CONSOLE ERROR: The 'WebBluetooth' feature is currently enabled in limited trials. Please see [Phosphor console URL] for information on enabling a trial for your site.
-CONSOLE ERROR: The 'WebBluetooth' feature is currently enabled in limited trials. Please see [Phosphor console URL] for information on enabling a trial for your site.
-CONSOLE ERROR: The 'WebBluetooth' feature is currently enabled in limited trials. Please see [Phosphor console URL] for information on enabling a trial for your site.
-CONSOLE ERROR: The 'WebBluetooth' feature is currently enabled in limited trials. Please see [Phosphor console URL] for information on enabling a trial for your site.
-CONSOLE ERROR: The 'WebBluetooth' feature is currently enabled in limited trials. Please see [Phosphor console URL] for information on enabling a trial for your site.
-CONSOLE ERROR: The 'WebBluetooth' feature is currently enabled in limited trials. Please see [Phosphor console URL] for information on enabling a trial for your site.
-CONSOLE ERROR: The 'WebBluetooth' feature is currently enabled in limited trials. Please see [Phosphor console URL] for information on enabling a trial for your site.
-CONSOLE ERROR: The 'WebBluetooth' feature is currently enabled in limited trials. Please see [Phosphor console URL] for information on enabling a trial for your site.
-CONSOLE ERROR: The 'WebBluetooth' feature is currently enabled in limited trials. Please see [Phosphor console URL] for information on enabling a trial for your site.
-CONSOLE ERROR: The 'WebBluetooth' feature is currently enabled in limited trials. Please see [Phosphor console URL] for information on enabling a trial for your site.
-CONSOLE ERROR: The 'WebBluetooth' feature is currently enabled in limited trials. Please see [Phosphor console URL] for information on enabling a trial for your site.
-CONSOLE ERROR: The 'WebBluetooth' feature is currently enabled in limited trials. Please see [Phosphor console URL] for information on enabling a trial for your site.
 This test documents all interface attributes and methods on the global window object and element instances.
 
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
 
 [INTERFACES]
 interface AnalyserNode : AudioNode
     getter fftSize
     getter frequencyBinCount
     getter maxDecibels
@@ skipping 6063 matching lines @@
     method stop
     method webkitCancelAnimationFrame
     method webkitCancelRequestAnimationFrame
     method webkitRequestAnimationFrame
     method webkitRequestFileSystem
     method webkitResolveLocalFileSystemURL
 PASS successfullyParsed is true
 
 TEST COMPLETE