Refactor WindowFinder definition

chrome/browser/ui/views/tabs/window_finder_mus.h

Index: chrome/browser/ui/views/tabs/window_finder_mus.h
diff --git a/chrome/browser/ui/views/tabs/window_finder_mus.h b/chrome/browser/ui/views/tabs/window_finder_mus.h
index 6bded2d1c7db032c821e2f07d4b9242aa9889b1c..46255f80ac28f6f4cbfc2f7ca06baf3f5ffee5df 100644
--- a/chrome/browser/ui/views/tabs/window_finder_mus.h
+++ b/chrome/browser/ui/views/tabs/window_finder_mus.h
@@ -7,18 +7,9 @@
 
 #include "chrome/browser/ui/views/tabs/window_finder.h"
 
-class WindowFinderMus : public WindowFinder {
- public:
-  WindowFinderMus();
-  ~WindowFinderMus() override;
-
-  // Overridden from WindowFinder:
-  gfx::NativeWindow GetLocalProcessWindowAtPoint(
-      const gfx::Point& screen_point,
-      const std::set<gfx::NativeWindow>& ignore) override;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(WindowFinderMus);
-};
+bool GetLocalProcessWindowAtPointMus(
+    const gfx::Point& screen_point,
+    const std::set<gfx::NativeWindow>& ignore,
+    gfx::NativeWindow* out);
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_WINDOW_FINDER_MUS_H_