ui: Cleanup class/struct forward declarations

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

Index: chrome/browser/ui/views/tabs/window_finder_ozone.cc
diff --git a/chrome/browser/ui/views/tabs/window_finder_chromeos.cc b/chrome/browser/ui/views/tabs/window_finder_ozone.cc
similarity index 63%
copy from chrome/browser/ui/views/tabs/window_finder_chromeos.cc
copy to chrome/browser/ui/views/tabs/window_finder_ozone.cc
index 0bc9248398fcc53bf669df046d6c9ae5daa900e6..15fc4e948f37b6c906b7d64380532566a6b08bff 100644
--- a/chrome/browser/ui/views/tabs/window_finder_chromeos.cc
+++ b/chrome/browser/ui/views/tabs/window_finder_ozone.cc
@@ -1,16 +1,10 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
+// Copyright 2016 The Chromium Authors. All rights reserved.
 // 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.h"
 #include "chrome/browser/ui/views/tabs/window_finder_mus.h"
 
-#include "ui/aura/window.h"
-
-gfx::NativeWindow GetLocalProcessWindowAtPointAsh(
-    const gfx::Point& screen_point,
-    const std::set<gfx::NativeWindow>& ignore);
-
 gfx::NativeWindow WindowFinder::GetLocalProcessWindowAtPoint(
     const gfx::Point& screen_point,
     const std::set<gfx::NativeWindow>& ignore) {
@@ -18,5 +12,6 @@ gfx::NativeWindow WindowFinder::GetLocalProcessWindowAtPoint(
   if (GetLocalProcessWindowAtPointMus(screen_point, ignore, &mus_result))
     return mus_result;
 
-  return GetLocalProcessWindowAtPointAsh(screen_point, ignore);
+  NOTREACHED() << "For Ozone builds, only --mash launch is supported for now.";
+  return nullptr;
 }