Refactor WindowFinder definition

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

Index: chrome/browser/ui/views/tabs/window_finder_mus.cc
diff --git a/chrome/browser/ui/views/tabs/window_finder_mus.cc b/chrome/browser/ui/views/tabs/window_finder_mus.cc
index c42aec3a897db645a9955c554024a3436957e4bb..1115e47882e192101a3d822bacb82bdb06724e94 100644
--- a/chrome/browser/ui/views/tabs/window_finder_mus.cc
+++ b/chrome/browser/ui/views/tabs/window_finder_mus.cc
@@ -2,17 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/browser/ui/views/tabs/window_finder_mus.h"
-
 #include "ui/aura/window.h"
 #include "ui/views/mus/native_widget_mus.h"
 #include "ui/views/mus/window_manager_connection.h"
 
-WindowFinderMus::WindowFinderMus() {}
-
-WindowFinderMus::~WindowFinderMus() {}
-
-gfx::NativeWindow WindowFinderMus::GetLocalProcessWindowAtPoint(
+gfx::NativeWindow GetLocalProcessWindowAtPointMus(
     const gfx::Point& screen_point,
     const std::set<gfx::NativeWindow>& ignore) {
   std::set<ui::Window*> mus_windows =