Support collapsing call site records into the resource timeline.

Also fix some filtering and graph issues.

https://bugs.webkit.org/show_bug.cgi?id=127440

Reviewed by Joseph Pecoraro.

* UserInterface/NavigationSidebarPanel.js:
(WebInspector.NavigationSidebarPanel.prototype.updateFilter):
(WebInspector.NavigationSidebarPanel.prototype.applyFiltersToTreeElement.matchTextFilter):
(WebInspector.NavigationSidebarPanel.prototype.applyFiltersToTreeElement.makeVisible):
(WebInspector.NavigationSidebarPanel.prototype.applyFiltersToTreeElement):
(WebInspector.NavigationSidebarPanel.prototype._updateFilter):
Tweak how filtering happens so custom filters never expand to reveal and auto expanded
tree elements will auto-collapse again later even with custom filters.

* UserInterface/OverviewTimelineView.css:
(.timeline-view.overview > .data-grid tr.parent:not(.expanded) td.graph-column .timeline-record-bar:not(.timeline-record-type-network) > .segment):
(.timeline-view.overview > .data-grid tr.parent:not(.expanded).selected td.graph-column .timeline-record-bar:not(.timeline-record-type-network) > .segment):
(.timeline-view.overview > .data-grid:focus tr.parent:not(.expanded).selected td.graph-column .timeline-record-bar:not(.timeline-record-type-network) > .segment):
Add a shadow to provide some negative space between juxtaposed records. Only needed when not expanded and not netwrok records.

* UserInterface/OverviewTimelineView.js:
(WebInspector.OverviewTimelineView.prototype.updateLayout):
(WebInspector.OverviewTimelineView.prototype._addResourceToTreeIfNeeded):
Update the filter when current time changes and only auto expand the main resource.

* UserInterface/ResourceTimelineDataGridNode.js:
(WebInspector.ResourceTimelineDataGridNode):
(WebInspector.ResourceTimelineDataGridNode.prototype._timelineRecordUpdated):
Don't schedule a refresh of the graph if the record isn't visible.

* UserInterface/SourceCodeTimelineTimelineDataGridNode.js:
(WebInspector.SourceCodeTimelineTimelineDataGridNode):
(WebInspector.SourceCodeTimelineTimelineDataGridNode.prototype._timelineRecordAdded):
Don't schedule a refresh of the graph if the record isn't visible.

* UserInterface/TimelineContentView.js:
(WebInspector.TimelineContentView.prototype._timeRangeSelectionChanged):
Remove the boolean for updateFilter.

* UserInterface/TimelineDataGrid.js:
(WebInspector.TimelineDataGrid.prototype._refreshDirtyDataGridNodes):
(WebInspector.TimelineDataGrid.prototype._sort):
Keep the hidden state in-sync between node and element.

* UserInterface/TimelineDataGridNode.js:
(WebInspector.TimelineDataGridNode.prototype.collapse):
(WebInspector.TimelineDataGridNode.prototype.expand):
(WebInspector.TimelineDataGridNode.prototype.appendChild):
(WebInspector.TimelineDataGridNode.prototype.insertChild):
(WebInspector.TimelineDataGridNode.prototype.removeChild):
(WebInspector.TimelineDataGridNode.prototype.removeChildren):
(WebInspector.TimelineDataGridNode.prototype.removeChildrenRecursive):
(WebInspector.TimelineDataGridNode.prototype.refreshGraph.createBarsForRecords):
(WebInspector.TimelineDataGridNode.prototype.refreshGraph.else.collectRecordsByType.get if):
(WebInspector.TimelineDataGridNode.prototype.needsGraphRefresh):
(WebInspector.TimelineDataGridNode.prototype.isRecordVisible):
Support drawing the children records on the parent graph.

* UserInterface/TimelineRecordBar.css:
(.timeline-record-bar.unfinished > .segment):
(:focus .selected .timeline-record-bar > .segment):
(:focus .selected .timeline-record-bar > .segment.inactive):
(:focus .selected .timeline-record-bar.has-inactive-segment > .segment:not(.inactive)):
Tweaked styles to look bettwen when selected.

* UserInterface/TimelineRecordBar.js:
(WebInspector.TimelineRecordBar.recordsCannotBeCombined):
(WebInspector.TimelineRecordBar.prototype.set records):
(WebInspector.TimelineRecordBar.prototype.refresh):
Drive-by fixes for some bug with bars being reused.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@162560 268f45cc-cd09-0410-ab3c-d52691b4dbfc