Plumb native AppWindow input region through to window shape under Aura.

chrome/browser/ui/views/apps/native_app_window_views.cc

 // Copyright 2013 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 "chrome/browser/ui/views/apps/native_app_window_views.h"
 
 #include "apps/shell_window.h"
 #include "apps/ui/views/shell_window_frame_view.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
@@ skipping 825 matching lines @@
   draggable_region_.reset(ShellWindow::RawDraggableRegionsToSkRegion(regions));
   OnViewWasResized();
 }
 
 SkRegion* NativeAppWindowViews::GetDraggableRegion() {
   return draggable_region_.get();
 }
 
 void NativeAppWindowViews::UpdateInputRegion(scoped_ptr<SkRegion> region) {
   input_region_ = region.Pass();
+
+#if defined(USE_AURA)
+  if (input_region_)
+    window_->SetShape(new SkRegion(*input_region_));
+  else
+    window_->SetShape(NULL);
+#endif // defined(USE_AURA)
 }
 
 void NativeAppWindowViews::HandleKeyboardEvent(
     const content::NativeWebKeyboardEvent& event) {
   unhandled_keyboard_event_handler_.HandleKeyboardEvent(event,
                                                         GetFocusManager());
 }
 
 bool NativeAppWindowViews::IsFrameless() const {
   return frameless_;
@@ skipping 11 matching lines @@
   gfx::Rect client_bounds = gfx::Rect(1000, 1000);
   gfx::Rect window_bounds =
       window_->non_client_view()->GetWindowBoundsForClientBounds(
           client_bounds);
   return window_bounds.InsetsFrom(client_bounds);
 }
 
 void NativeAppWindowViews::HideWithApp() {}
 void NativeAppWindowViews::ShowWithApp() {}
 void NativeAppWindowViews::UpdateWindowMinMaxSize() {}