Reviewed by Pavel Feldman.

        Web Inspector: highlighted line does not span horizonally in scripts panel while debugging.
        https://bugs.webkit.org/show_bug.cgi?id=54675

        * inspector/front-end/TextViewer.js:
        (WebInspector.TextViewer.prototype._syncScroll):
        (WebInspector.TextEditorChunkedPanel.prototype._buildChunks):
        (WebInspector.TextEditorChunkedPanel.prototype.makeLineAChunk):
        (WebInspector.TextEditorGutterPanel):
        (WebInspector.TextEditorGutterPanel.prototype._expandChunks):
        (WebInspector.TextEditorGutterPanel.prototype.textChanged):
        (WebInspector.TextEditorMainPanel):
        (WebInspector.TextEditorMainPanel.prototype.set readOnly):
        (WebInspector.TextEditorMainPanel.prototype._getSelection):
        (WebInspector.TextEditorMainPanel.prototype._selectionToPosition):
        (WebInspector.TextEditorMainPanel.prototype._handleDOMSubtreeModified):
        (WebInspector.TextEditorMainPanel.prototype._applyDomUpdates):
        (WebInspector.TextEditorMainPanel.prototype._updateChunksForRanges):
        * inspector/front-end/textViewer.css:
        (.inner-container):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@80119 268f45cc-cd09-0410-ab3c-d52691b4dbfc