hitTestInDocument 1237 Source/core/dom/Document.cpp     HitTestResult result = hitTestInDocument(this, x, y);
hitTestInDocument  242 Source/core/dom/TreeScope.cpp     HitTestResult result = hitTestInDocument(&rootNode().document(), x, y);
hitTestInDocument  229 Source/core/dom/TreeScope.h HitTestResult hitTestInDocument(const Document*, int x, int y);