Update web-platform-tests to revision 9f31d497bf87bdf5ebc3ba70b5cb9f87786f4071

tests/wpt/web-platform-tests/docs/Makefile

@@ -20,5 +20,5 @@ tools/%:
 
 # Catch-all target: route all unknown targets to Sphinx using the new
 # "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).
-%: Makefile tools/wptserve tools/certs
+%: Makefile tools/wptserve tools/certs tools/wptrunner
 	@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)

tests/wpt/web-platform-tests/docs/admin/index.md

@@ -11,6 +11,7 @@ infrastructure which makes the project possible.
 
    ../README
    ../tools/wptserve/docs/index.rst
+   ../tools/wptrunner/README
 
 .. toctree::
    :hidden:

tests/wpt/web-platform-tests/docs/conf.py

@@ -43,7 +43,8 @@ release = u''
 extensions = [
     'recommonmark',
     'sphinxarg.ext',
-    'sphinx.ext.autodoc'
+    'sphinx.ext.autodoc',
+    'sphinx.ext.intersphinx'
 ]
 
 # Add any paths that contain templates here, relative to this directory.
@@ -191,3 +192,6 @@ epub_title = project
 
 # A list of files that should not be packed into the epub file.
 epub_exclude_files = ['search.html']
+
+intersphinx_mapping = {'python': ('https://docs.python.org/2/', None),
+                       'mozilla': ('https://firefox-source-docs.mozilla.org/', None)}

tests/wpt/web-platform-tests/docs/make.bat

@@ -29,6 +29,7 @@ if not exist tools\ ( mkdir tools )
 
 if not exist tools\wptserve\ ( mklink /d tools\wptserve ..\..\tools\wptserve )
 if not exist tools\certs\ ( mklink /d tools\certs ..\..\tools\certs )
+if not exist tools\wptrunner\ ( mklink /d tools\wptrunner ..\..\tools\wptrunner )
 
 %SPHINXBUILD% -M %1 %SOURCEDIR% %BUILDDIR% %SPHINXOPTS%
 goto end

tests/wpt/web-platform-tests/docs/running-tests/from-local-system.md

@@ -147,3 +147,9 @@ Additional browser-specific documentation:
   safari
   webkitgtk_minibrowser
 ```
+
+For use in continuous integration systems, and other scenarios where regression
+tracking is required, the command-line interface supports storing and loading
+the expected result of each test in a test run. See [Expectations
+Data](../../tools/wptrunner/docs/expectation) for more information on creating
+and maintaining these files.