Unhide 'window.console' by renaming console variable in layout tests

LayoutTests/media/video-test.js

Index: LayoutTests/media/video-test.js
diff --git a/LayoutTests/media/video-test.js b/LayoutTests/media/video-test.js
index e558c1db9a90094ddbfc71a27856c090e750edfb..5391c462874a61a73564e84ea3c185d60977a0ce 100644
--- a/LayoutTests/media/video-test.js
+++ b/LayoutTests/media/video-test.js
@@ -1,7 +1,7 @@
 
 var video = null;
 var mediaElement = document; // If not set, an event from any element will trigger a waitForEvent() callback.
-var console = null;
+var consoleDiv = null;
 var printFullTestDetails = true; // This is optionaly switched of by test whose tested values can differ. (see disableFullTestDetailsPrinting())
 var Failed = false;
 
@@ -33,11 +33,11 @@ function enableFullTestDetailsPrinting()
 
 function logConsole()
 {
-    if (!console && document.body) {
-        console = document.createElement('div');
-        document.body.appendChild(console);
+    if (!consoleDiv && document.body) {
+        consoleDiv = document.createElement('div');
+        document.body.appendChild(consoleDiv);
     }
-    return console;
+    return consoleDiv;
 }
 
 function findMediaElement()