ash: Clean up system background layer.

ui/aura/remote_root_window_host_win.cc

 // 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.
 
 #include "ui/aura/remote_root_window_host_win.h"
 
 #include <windows.h>
 
 #include <algorithm>
 
@@ skipping 89 matching lines @@
   GetCursorPos(&pt);
   *location_return =
       gfx::Point(static_cast<int>(pt.x), static_cast<int>(pt.y));
   return true;
 }
 
 bool RemoteRootWindowHostWin::ConfineCursorToRootWindow() {
   return true;
 }
 
+bool RootWindowHostLinux::CopyAreaToSkCanvas(const gfx::Rect& source_bounds,
+                                             const gfx::Point& dest_offset,
+                                             SkCanvas* canvas) {
+  NOTIMPLEMENTED();
+  return false;
+}
+
 bool RemoteRootWindowHostWin::GrabSnapshot(
     const gfx::Rect& snapshot_bounds,
     std::vector<unsigned char>* png_representation) {
   NOTIMPLEMENTED();
   return false;
 }
 
 void RemoteRootWindowHostWin::UnConfineCursor() {
 }
 
@@ skipping 45 matching lines @@
 void RemoteRootWindowHostWin::OnKeyUp(uint32 vkey,
                                       uint32 repeat_count,
                                       uint32 scan_code) {
   ui::KeyEvent event(ui::ET_KEY_RELEASED,
                      ui::KeyboardCodeForWindowsKeyCode(vkey),
                      0);
   delegate_->OnHostKeyEvent(&event);
 }
 
 }  // namespace aura