Implements a couple of NOTIMPLEMENTEDs in window_gtk and comments on...

views/window/window.h

 // Copyright (c) 2009 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 VIEWS_WINDOW_WINDOW_H_
 #define VIEWS_WINDOW_WINDOW_H_
 
 #include "base/gfx/native_widget_types.h"
 
 namespace gfx {
@@ skipping 55 matching lines @@
                          gfx::NativeWindow other_window) = 0;
 
   // Makes the window visible.
   virtual void Show() = 0;
 
   // Hides the window. This does not delete the window, it just hides it. This
   // always hides the window, it is separate from the stack maintained by
   // Push/PopForceHidden.
   virtual void HideWindow() = 0;
 
+#if defined(OS_WIN)
   // Hides the window if it hasn't already been force-hidden. The force hidden
   // count is tracked, so calling multiple times is allowed, you just have to
   // be sure to call PopForceHidden the same number of times.
   virtual void PushForceHidden() = 0;
 
   // Decrements the force hidden count, showing the window if we have reached
   // the top of the stack. See PushForceHidden.
   virtual void PopForceHidden() = 0;
+#endif
 
   // Activate the window, assuming it already exists and is visible.
   virtual void Activate() = 0;
 
   // Closes the window, ultimately destroying it. This isn't immediate (it
   // occurs after a return to the message loop. Implementors must also make sure
   // that invoking Close multiple times doesn't cause bad things to happen,
   // since it can happen.
   virtual void Close() = 0;
 
@@ skipping 61 matching lines @@
   // Whether we should be using a native frame.
   virtual bool ShouldUseNativeFrame() const = 0;
 
   // Tell the window that something caused the frame type to change.
   virtual void FrameTypeChanged() = 0;
 };
 
 }  // namespace views
 
 #endif  // #ifndef VIEWS_WINDOW_WINDOW_H_