Web Inspector: DetailedHeapSnapshot: Replace the list of retainers with the expandabl...

Web Inspector: DetailedHeapSnapshot: Replace the list of retainers with the expandable tree (to get rid of cycles)
https://bugs.webkit.org/show_bug.cgi?id=76813

Reviewed by Pavel Feldman.

* English.lproj/localizedStrings.js:
* inspector/front-end/DetailedHeapshotGridNodes.js:
(WebInspector.HeapSnapshotObjectNode):
* inspector/front-end/DetailedHeapshotView.js:
(WebInspector.HeapSnapshotContainmentDataGrid.prototype.setDataSource):
(WebInspector.HeapSnapshotRetainmentDataGrid):
(WebInspector.HeapSnapshotRetainmentDataGrid.prototype.reset):
(WebInspector.DetailedHeapshotView.prototype._startRetainersHeaderDragging):
* inspector/front-end/HeapSnapshot.js:
(WebInspector.HeapSnapshot.prototype.createRetainingEdgesProvider):
(WebInspector.HeapSnapshotEdgesProvider):
* inspector/front-end/HeapSnapshotProxy.js:
(WebInspector.HeapSnapshotProxy.prototype.createEdgesProvider):
(WebInspector.HeapSnapshotProxy.prototype.createRetainingEdgesProvider):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@105598 268f45cc-cd09-0410-ab3c-d52691b4dbfc