[Dashboard] Narrow down the test types list to only layout-tests
https://bugs.webkit.org/show_bug.cgi?id=114795

Reviewed by Ryosuke Niwa.

Remove all the redundant test types that the webkit.org builders do not upload results for. All of the removed
test types were specific to the Chromium builders.

* TestResultServer/static-dashboards/dashboard_base.js:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@148726 268f45cc-cd09-0410-ab3c-d52691b4dbfc
[Dashboard] The currentBuilderGroupCategory method should return the layout tests builder groups by default
https://bugs.webkit.org/show_bug.cgi?id=114796

Reviewed by Benjamin Poulain.

With the Chromium builders no longer uploading results and the layout-tests test type the only one supported by the
WebKit's dashboard, the currentBuilderGroupCategory can now return LAYOUT_TESTS_BUILDER_GROUPS as the default builder
group category.

* TestResultServer/static-dashboards/dashboard_base.js:
(currentBuilderGroupCategory):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@148727 268f45cc-cd09-0410-ab3c-d52691b4dbfc
[Dashboard] Remove Chromium-specific builder loading code from loadBuildersList
https://bugs.webkit.org/show_bug.cgi?id=114797

Reviewed by Benjamin Poulain.

Remove anything Chromium-specific from the builder-loading code, specifically removing support for loading builder data
for anything other that the layout-tests type and removing support for loading builder data from builders connected
to the Chromium-specific builder groups which are no longer supported.

* TestResultServer/static-dashboards/builders.js:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@148728 268f45cc-cd09-0410-ab3c-d52691b4dbfc
[Dashboard] Only accept the 'group' parameter if present in the layout tests builders group
https://bugs.webkit.org/show_bug.cgi?id=114799

Reviewed by Benjamin Poulain.

The layout tests builder group is the only one supported, all the other Chromium-specific builder groups are
bound to be removed.

* TestResultServer/static-dashboards/history.js:
(.):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@148729 268f45cc-cd09-0410-ab3c-d52691b4dbfc