REGRESSION(r184000): Web Inspector: Multiline CSS in Styles Sidebar is marked as invalid
https://bugs.webkit.org/show_bug.cgi?id=146178

Reviewed by Timothy Hatcher.

First changes made by Tobias Reiss  <tobi+webkit@basecode.de>

* Tools/PrettyPrinting/css-rule-tests/add-whitespace-between-values-expected.css: Added.
* Tools/PrettyPrinting/css-rule-tests/add-whitespace-between-values.css: Added.
* Tools/PrettyPrinting/css-rule-tests/add-whitespace-between-rules-expected.css: Added.
* Tools/PrettyPrinting/css-rule-tests/add-whitespace-between-rules.css: Added.
* Tools/PrettyPrinting/css-rule-tests/remove-newline-between-values-expected.css: Added.
* Tools/PrettyPrinting/css-rule-tests/remove-newline-between-values.css: Added.
* Tools/PrettyPrinting/index.html:
Add regression tests.
* UserInterface/Views/CodeMirrorFormatters.js:
Remove newlines before values that belong in one line and add whitespace between values.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@186281 268f45cc-cd09-0410-ab3c-d52691b4dbfc
9 files changed