API proposal for chrome.app.window to intercept all keys.

ui/views/widget/desktop_aura/desktop_window_tree_host_x11.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/views/widget/desktop_aura/desktop_window_tree_host_x11.h"
 
 #include <X11/extensions/shape.h>
 #include <X11/extensions/XInput2.h>
 #include <X11/Xatom.h>
 #include <X11/Xregion.h>
@@ skipping 563 matching lines @@
   return g_current_capture == this;
 }
 
 void DesktopWindowTreeHostX11::SetAlwaysOnTop(bool always_on_top) {
   is_always_on_top_ = always_on_top;
   SetWMSpecState(always_on_top,
                  atom_cache_.GetAtom("_NET_WM_STATE_ABOVE"),
                  None);
 }
 
+void DesktopWindowTreeHostX11::SetInterceptAllKeys(bool want_all_keys) {
+  // TODO(sriramsr): Need to implement for Linux.
+}
+
 bool DesktopWindowTreeHostX11::IsAlwaysOnTop() const {
   return is_always_on_top_;
 }
 
 void DesktopWindowTreeHostX11::SetVisibleOnAllWorkspaces(bool always_visible) {
   SetWMSpecState(always_visible,
                  atom_cache_.GetAtom("_NET_WM_STATE_STICKY"),
                  None);
 
   int new_desktop = 0;
@@ skipping 1300 matching lines @@
   if (linux_ui) {
     ui::NativeTheme* native_theme = linux_ui->GetNativeTheme(window);
     if (native_theme)
       return native_theme;
   }
 
   return ui::NativeTheme::instance();
 }
 
 }  // namespace views