static WebFrame* findLargestFrameInFrameSet(WebPage* page) { // Approximate what a user could consider a default target frame for application menu operations. WebFrame* mainFrame = page->mainWebFrame(); if (!mainFrame->isFrameSet()) return 0; WebFrame* largestSoFar = 0; RefPtr<ImmutableArray> frameChildren = mainFrame->childFrames(); size_t count = frameChildren->size(); for (size_t i = 0; i < count; ++i) { WebFrame* childFrame = frameChildren->at<WebFrame>(i); if (!largestSoFar || area(childFrame) > area(largestSoFar)) largestSoFar = childFrame; } return largestSoFar; }