Add in gesture for immersive mode

ash/root_window_controller.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 "ash/root_window_controller.h"
 
 #include <vector>
 
 #include "ash/ash_constants.h"
 #include "ash/ash_switches.h"
@@ skipping 473 matching lines @@
 bool RootWindowController::IsImmersiveMode() const {
   aura::Window* container = workspace_controller_->GetActiveWorkspaceWindow();
   for (size_t i = 0; i < container->children().size(); ++i) {
     aura::Window* child = container->children()[i];
     if (child->IsVisible() && child->GetProperty(kImmersiveModeKey))
       return true;
   }
   return false;
 }
 
+void RootWindowController::SetPendingImmersiveGesture(bool value) {
+  aura::Window* container = workspace_controller_->GetActiveWorkspaceWindow();
+  for (size_t i = 0; i < container->children().size(); ++i) {
+    aura::Window* child = container->children()[i];
+    if (child->IsVisible() && child->GetProperty(kImmersiveModeKey)) {
+      child->SetProperty(kPendingImmersiveGestureKey, value);
+      return;
+    }
+  }
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // RootWindowController, private:
 
 void RootWindowController::CreateContainersInRootWindow(
     aura::RootWindow* root_window) {
   // These containers are just used by PowerButtonController to animate groups
   // of containers simultaneously without messing up the current transformations
   // on those containers. These are direct children of the root window; all of
   // the other containers are their children.
 
@@ skipping 141 matching lines @@
       "OverlayContainer",
       lock_screen_related_containers);
   SetUsesScreenCoordinates(overlay_container);
 
   CreateContainer(kShellWindowId_PowerButtonAnimationContainer,
                   "PowerButtonAnimationContainer", root_window) ;
 }
 
 }  // namespace internal
 }  // namespace ash