Implement a Menu Item to Hide the Toolbar in Fullscreen

chrome/test/base/test_browser_window.cc

Index: chrome/test/base/test_browser_window.cc
diff --git a/chrome/test/base/test_browser_window.cc b/chrome/test/base/test_browser_window.cc
index 58703ebce58a8ec83bf7517de4263b87983be32e..41dbb5c05ccd991108a65c4e4b6a112200d8fb06 100644
--- a/chrome/test/base/test_browser_window.cc
+++ b/chrome/test/base/test_browser_window.cc
@@ -120,10 +120,16 @@ bool TestBrowserWindow::SupportsFullscreenWithToolbar() const {
 void TestBrowserWindow::UpdateFullscreenWithToolbar(bool with_toolbar) {
 }
 
+void TestBrowserWindow::ToggleFullscreenToolbar() {}
+
 bool TestBrowserWindow::IsFullscreenWithToolbar() const {
   return false;
 }
 
+bool TestBrowserWindow::ShouldHideFullscreenToolbar() const {
+  return false;
+}
+
 #if defined(OS_WIN)
 bool TestBrowserWindow::IsInMetroSnapMode() const {
   return false;