Add display::GetDisplayNearestView

chrome/browser/platform_util.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_PLATFORM_UTIL_H_
 #define CHROME_BROWSER_PLATFORM_UTIL_H_
 
 #include <string>
 
 #include "base/callback_forward.h"
@@ skipping 59 matching lines @@
 // |profile| is used to determine the running profile of file manager app in
 // Chrome OS only. |profile| is not used in platforms other than Chrome OS. Must
 // be called on the UI thread.
 void ShowItemInFolder(Profile* profile, const base::FilePath& full_path);
 
 // Open the given external protocol URL in the desktop's default manner.
 // (For example, mailto: URLs in the default mail user agent.)
 // Must be called from the UI thread.
 void OpenExternal(Profile* profile, const GURL& url);
 
-// Get the top level window for the native view. This can return NULL.
-gfx::NativeWindow GetTopLevel(gfx::NativeView view);
-
 // Returns a NativeView handle for parenting dialogs off |window|. This can be
 // used to position a dialog using a NativeWindow, when a NativeView (e.g.
 // browser tab) isn't available.
 gfx::NativeView GetViewForWindow(gfx::NativeWindow window);
 
 // Get the direct parent of |view|, may return NULL.
 gfx::NativeView GetParent(gfx::NativeView view);
 
 // Returns true if |window| is the foreground top level window.
 bool IsWindowActive(gfx::NativeWindow window);
 
 // Activate the window, bringing it to the foreground top level.
 void ActivateWindow(gfx::NativeWindow window);
 
 // Returns true if the view is visible. The exact definition of this is
 // platform-specific, but it is generally not "visible to the user", rather
 // whether the view has the visible attribute set.
 bool IsVisible(gfx::NativeView view);
 
 #if defined(OS_MACOSX)
 // On 10.7+, back and forward swipe gestures can be triggered using a scroll
 // gesture, if enabled in System Preferences. This function returns true if
 // the feature is supported and enabled, and false otherwise.
 bool IsSwipeTrackingFromScrollEventsEnabled();
 #endif
 
 }  // namespace platform_util
 
 #endif  // CHROME_BROWSER_PLATFORM_UTIL_H_