[Refactor] Replace kFullscreenUsesMinimalChromeKey with WindowState::hide_shelf_when_fullscreen()

chrome/browser/ui/ash/chrome_shell_delegate_browsertest.cc

Index: chrome/browser/ui/ash/chrome_shell_delegate_browsertest.cc
diff --git a/chrome/browser/ui/ash/chrome_shell_delegate_browsertest.cc b/chrome/browser/ui/ash/chrome_shell_delegate_browsertest.cc
index 1caabc8501b891aa531c34d4f2c8b3aad3bc06ed..69ad9bd64d057413347aae7084dab453b245cc27 100644
--- a/chrome/browser/ui/ash/chrome_shell_delegate_browsertest.cc
+++ b/chrome/browser/ui/ash/chrome_shell_delegate_browsertest.cc
@@ -10,7 +10,6 @@
 #include "ash/ash_switches.h"
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
-#include "ash/wm/window_properties.h"
 #include "ash/wm/window_state.h"
 #include "base/command_line.h"
 #include "chrome/browser/apps/app_browsertest_util.h"
@@ -24,16 +23,10 @@
 
 namespace {
 
-// Returns true if |window| is in immersive fullscreen. Infer whether |window|
-// is in immersive fullscreen based on whether kFullscreenUsesMinimalChromeKey
-// is set for |window| because DEPS does not allow the test to use BrowserView.
-// (This is not quite right because if a window is in both immersive browser
-// fullscreen and in tab fullscreen, kFullScreenUsesMinimalChromeKey will
-// not be set).
+// Returns true if |window| is in immersive fullscreen.
 bool IsInImmersiveFullscreen(BrowserWindow* browser_window) {
-  return browser_window->IsFullscreen() &&
-      browser_window->GetNativeWindow()->GetProperty(
-          ash::internal::kFullscreenUsesMinimalChromeKey);
+  return ash::wm::GetWindowState(browser_window->GetNativeWindow())->
+      IsImmersiveFullscreen();
 }
 
 }  // namespace