DevTools: Fix typo causing exception on heap profiles with no target.

TBR=yurys@chromium.org,loislo@chromium.org

Review URL: https://codereview.chromium.org/547413003

git-svn-id: svn://svn.chromium.org/blink/trunk@181568 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/devtools/front_end/profiler/HeapSnapshotView.js

@@ -755,7 +755,7 @@ WebInspector.HeapSnapshotView.prototype = {
     {
         var selectedNode = event.target.selectedNode;
         var target = this._profile.target();
-        if (!target && selectedNode instanceof WebInspector.HeapSnapshotGenericObjectNode)
+        if (target && selectedNode instanceof WebInspector.HeapSnapshotGenericObjectNode)
             target.consoleAgent().addInspectedHeapObject(selectedNode.snapshotNodeId);
     },