Reviewed by Pavel Feldman.

        Web Inspector: [Chromium] Remove exact retained size request in detailed heap snapshots.
        https://bugs.webkit.org/show_bug.cgi?id=57351

        * bindings/js/ScriptHeapSnapshot.h:
        * bindings/v8/ScriptHeapSnapshot.cpp:
        * bindings/v8/ScriptHeapSnapshot.h:
        * inspector/Inspector.json:
        * inspector/InspectorProfilerAgent.cpp:
        * inspector/InspectorProfilerAgent.h:
        * inspector/front-end/DetailedHeapshotGridNodes.js:
        (WebInspector.HeapSnapshotGenericObjectNode):
        (WebInspector.HeapSnapshotGenericObjectNode.prototype.get data):
        * inspector/front-end/DetailedHeapshotView.js:
        (WebInspector.DetailedHeapshotView.prototype._mouseClickInContainmentGrid):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@82393 268f45cc-cd09-0410-ab3c-d52691b4dbfc