Making it possible to import mediastream tests.

Tools/Scripts/webkitpy/w3c/test_importer.py

Index: Tools/Scripts/webkitpy/w3c/test_importer.py
diff --git a/Tools/Scripts/webkitpy/w3c/test_importer.py b/Tools/Scripts/webkitpy/w3c/test_importer.py
index 2bccbbd028bce16f447d9c3bdc71e7e1c8127e27..b6362ead8214cc2f555e8f01730eb3aad3b58894 100644
--- a/Tools/Scripts/webkitpy/w3c/test_importer.py
+++ b/Tools/Scripts/webkitpy/w3c/test_importer.py
@@ -41,9 +41,9 @@
       overridden by a -n or --no-overwrite flag
 
     - All files are converted to work in WebKit:
-         1. Paths to testharness.js files are modified point to Webkit's copy
-            of them in LayoutTests/resources, using the correct relative path
-            from the new location.
+         1. Paths to testharness.js and vendor-prefix.js files are modified to
+            point to Webkit's copy of them in LayoutTests/resources, using the
+            correct relative path from the new location.
          2. All CSS properties requiring the -webkit-vendor prefix are prefixed
             (the list of what needs prefixes is read from Source/WebCore/CSS/CSSProperties.in).
          3. Each reftest has its own copy of its reference file following
@@ -52,6 +52,10 @@
             uses it, it is checked for paths to support files as it will be
             imported into a different relative position to the test file
             (in the same directory).
+         5. Any tags with the class "instructions" have style="display:none" added
+            to them. Some w3c tests contain instructions to manual testers which we
+            want to strip out (the test result parser only recognizes pure testharness.js
+            output and not those instructions).
 
      - Upon completion, script outputs the total number tests imported, broken
        down by test type