Web Inspector: fix bug in highlighting single chars via highlightRange API of DTE
https://bugs.webkit.org/show_bug.cgi?id=108685

Patch by Andrey Lushnikov <lushnikov@chromium.org> on 2013-02-02
Reviewed by Pavel Feldman.

Source/WebCore:

Use Math.min instead of Math.max in rangesForLine method.

Updated test: text-editor-highlight-api.html

* inspector/front-end/DefaultTextEditor.js:
(WebInspector.TextEditorMainPanel.RangeHighlightDescriptor.prototype.rangesForLine):

LayoutTests:

Updated layout test to cover specific bug case.

* inspector/editor/text-editor-highlight-api-expected.txt:
* inspector/editor/text-editor-highlight-api.html:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@141689 268f45cc-cd09-0410-ab3c-d52691b4dbfc