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

extensions/browser/app_window/app_window.cc

 // Copyright 2014 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 "extensions/browser/app_window/app_window.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 687 matching lines @@
   OnNativeWindowChanged();
 }
 
 bool AppWindow::IsAlwaysOnTop() const { return cached_always_on_top_; }
 
 void AppWindow::RestoreAlwaysOnTop() {
   if (cached_always_on_top_)
     UpdateNativeAlwaysOnTop();
 }
 
-void AppWindow::SetInterceptAllKeys(bool want_all_keys) {
-  native_app_window_->SetInterceptAllKeys(want_all_keys);
-}
-
 void AppWindow::WindowEventsReady() {
   can_send_events_ = true;
   SendOnWindowShownIfShown();
 }
 
 void AppWindow::NotifyRenderViewReady() {
   if (app_window_contents_)
     app_window_contents_->OnWindowReady();
 }
 
@@ skipping 365 matching lines @@
         region.bounds.x(),
         region.bounds.y(),
         region.bounds.right(),
         region.bounds.bottom(),
         region.draggable ? SkRegion::kUnion_Op : SkRegion::kDifference_Op);
   }
   return sk_region;
 }
 
 }  // namespace extensions