Support converting utf-16 files when importing w3c tests.

third_party/WebKit/Tools/Scripts/webkitpy/w3c/test_converter_unittest.py

Index: third_party/WebKit/Tools/Scripts/webkitpy/w3c/test_converter_unittest.py
diff --git a/third_party/WebKit/Tools/Scripts/webkitpy/w3c/test_converter_unittest.py b/third_party/WebKit/Tools/Scripts/webkitpy/w3c/test_converter_unittest.py
index 3c060ff91aacce46bb128a4c651ca8612bfd6ca6..23fe506e6f82f7a63490240d2075872898ca5ddf 100644
--- a/third_party/WebKit/Tools/Scripts/webkitpy/w3c/test_converter_unittest.py
+++ b/third_party/WebKit/Tools/Scripts/webkitpy/w3c/test_converter_unittest.py
@@ -33,7 +33,9 @@ from webkitpy.common.host import Host
 from webkitpy.common.system.outputcapture import OutputCapture
 from webkitpy.common.webkit_finder import WebKitFinder
 from webkitpy.thirdparty.BeautifulSoup import BeautifulSoup
-from webkitpy.w3c.test_converter import _W3CTestConverter
+from webkitpy.w3c.test_converter import _W3CTestConverter, convert_for_webkit
+from webkitpy.common.system.systemhost_mock import MockSystemHost
+from webkitpy.common.system.filesystem_mock import MockFileSystem
 
 DUMMY_FILENAME = 'dummy.html'
 DUMMY_PATH = 'dummy/testharness/path'
@@ -310,3 +312,17 @@ CONTENT OF TEST
             index -= 1
 
         return (test_properties, html)
+
+    # Test for convert_for_webkit; determing if 'utf-16' decodes correctly

[qyearsley, 2016/06/02 21:05:17]

I think this comment (and the similar one below) is probably unnecessary, and
could be omitted.

+    def test_convert_for_webkit_with_non_utf8(self):
+        files = {'/file': 'e\x87[P',
+                 '/mock-checkout/third_party/WebKit/Source/core/css/CSSProperties.in': '', }
+        host = MockSystemHost(filesystem=MockFileSystem(files=files))
+        convert_for_webkit('', '/file', '', host)

[qyearsley, 2016/06/02 21:05:17]

Optionally, you could add a comment that this test passes if no Exception is
raised.

+
+    # Test for convert_for_webkit; determing if 'utf-8' decodes correctly
+    def test_convert_for_webkit_with_utf8(self):
+        files = {'/file': 'foo',
+                 '/mock-checkout/third_party/WebKit/Source/core/css/CSSProperties.in': '', }
+        host = MockSystemHost(filesystem=MockFileSystem(files=files))
+        convert_for_webkit('', '/file', '', host)