Fix private member access violations in profiler module

LayoutTests/inspector/profiler/heap-snapshot-test.js

Index: LayoutTests/inspector/profiler/heap-snapshot-test.js
diff --git a/LayoutTests/inspector/profiler/heap-snapshot-test.js b/LayoutTests/inspector/profiler/heap-snapshot-test.js
index 221a2c29c1863acdffaff9ee246348530d1539dc..eb774438a9388c0da276d58910fefb4465fc1954 100644
--- a/LayoutTests/inspector/profiler/heap-snapshot-test.js
+++ b/LayoutTests/inspector/profiler/heap-snapshot-test.js
@@ -29,14 +29,14 @@ InspectorTest.createJSHeapSnapshotMockObject = function()
         //       b\   v   /
         //         -> B (6) -bd- D (12)
         //
-        _nodes: new Uint32Array([
+        nodes: new Uint32Array([
             0, 0, 2,    //  0: root
             1, 1, 2,    //  3: A
             1, 2, 2,    //  6: B
             1, 3, 1,    //  9: C
             1, 4, 0,    // 12: D
             1, 5, 0]),  // 15: E
-        _containmentEdges: new Uint32Array([
+        containmentEdges: new Uint32Array([
             2,  6, 3,   //  0: shortcut 'a' to node 'A'
             1,  7, 6,   //  3: property 'b' to node 'B'
             0,  1, 6,   //  6: element '1' to node 'B'
@@ -44,7 +44,7 @@ InspectorTest.createJSHeapSnapshotMockObject = function()
             1,  9, 9,   // 12: property 'bc' to node 'C'
             1, 10, 12,  // 15: property 'bd' to node 'D'
             1, 11, 15]),// 18: property 'ce' to node 'E'
-        _strings: ["", "A", "B", "C", "D", "E", "a", "b", "ac", "bc", "bd", "ce"],
+        strings: ["", "A", "B", "C", "D", "E", "a", "b", "ac", "bc", "bd", "ce"],
         _firstEdgeIndexes: new Uint32Array([0, 6, 12, 18, 21, 21, 21]),
         createNode: WebInspector.JSHeapSnapshot.prototype.createNode,
         createEdge: WebInspector.JSHeapSnapshot.prototype.createEdge,