[DevTools] Scale context menu position by pageZoomFactor.

Source/core/inspector/InspectorFrontendHost.cpp

Index: Source/core/inspector/InspectorFrontendHost.cpp
diff --git a/Source/core/inspector/InspectorFrontendHost.cpp b/Source/core/inspector/InspectorFrontendHost.cpp
index 014cdba09f3921bd3d941ba1eabcc6a92bd37311..8ea35d1b83c04fc150639f0d4d8812564728dc2a 100644
--- a/Source/core/inspector/InspectorFrontendHost.cpp
+++ b/Source/core/inspector/InspectorFrontendHost.cpp
@@ -205,7 +205,8 @@ void InspectorFrontendHost::showContextMenu(Page* page, float x, float y, const
 
     RefPtr<FrontendMenuProvider> menuProvider = FrontendMenuProvider::create(this, frontendApiObject, items);
     m_menuProvider = menuProvider.get();
-    page->inspectorController().showContextMenu(x, y, menuProvider);
+    float zoom = page->deprecatedLocalMainFrame()->pageZoomFactor();
+    page->inspectorController().showContextMenu(x * zoom, y * zoom, menuProvider);
 }
 
 void InspectorFrontendHost::showContextMenu(Event* event, const Vector<ContextMenuItem>& items)