Adding menu item to take screenshot

chrome/browser/ui/views/toolbar/wrench_menu.cc

Index: chrome/browser/ui/views/toolbar/wrench_menu.cc
diff --git a/chrome/browser/ui/views/toolbar/wrench_menu.cc b/chrome/browser/ui/views/toolbar/wrench_menu.cc
index 55c85ab38abc6be5b1f61aeb6f20b44fb6ddc901..3d3f5ca97b551ba2d1d9afb67560e230217ebb87 100644
--- a/chrome/browser/ui/views/toolbar/wrench_menu.cc
+++ b/chrome/browser/ui/views/toolbar/wrench_menu.cc
@@ -787,12 +787,13 @@ class WrenchMenu::RecentTabsMenuModelDelegate : public ui::MenuModelDelegate {
 // WrenchMenu ------------------------------------------------------------------
 
 WrenchMenu::WrenchMenu(Browser* browser, int run_flags)
-    : root_(NULL),
+    : root_(nullptr),
       browser_(browser),
-      selected_menu_model_(NULL),
+      selected_menu_model_(nullptr),
       selected_index_(0),
-      bookmark_menu_(NULL),
-      feedback_menu_item_(NULL),
+      bookmark_menu_(nullptr),
+      feedback_menu_item_(nullptr),
+      screenshot_menu_item_(nullptr),
       run_flags_(run_flags) {
   registrar_.Add(this, chrome::NOTIFICATION_GLOBAL_ERRORS_CHANGED,
                  content::Source<Profile>(browser_->profile()));
@@ -1053,10 +1054,11 @@ void WrenchMenu::WillShowMenu(MenuItemView* menu) {
 
 void WrenchMenu::WillHideMenu(MenuItemView* menu) {
   // Turns off the fade out animation of the wrench menus if
-  // |feedback_menu_item_| is selected.  This excludes the wrench menu itself
-  // from the snapshot in the feedback UI.
-  if (menu->HasSubmenu() && feedback_menu_item_ &&
-      feedback_menu_item_->IsSelected()) {
+  // |feedback_menu_item_| or |screenshot_menu_item_| is selected.  This
+  // excludes the wrench menu itself from the screenshot.
+  if (menu->HasSubmenu() &&
+      ((feedback_menu_item_ && feedback_menu_item_->IsSelected()) ||
+       (screenshot_menu_item_ && screenshot_menu_item_->IsSelected()))) {
     // It's okay to just turn off the animation and no to take care the
     // animation back because the menu widget will be recreated next time
     // it's opened. See ToolbarView::RunMenu() and Init() of this class.
@@ -1161,6 +1163,13 @@ void WrenchMenu::PopulateMenu(MenuItemView* parent,
         break;
 #endif
 
+#if defined(OS_CHROMEOS)
+      case IDC_TAKE_SCREENSHOT:
+        DCHECK(!screenshot_menu_item_);
+        screenshot_menu_item_ = item;
+        break;
+#endif
+
       case IDC_RECENT_TABS_MENU:
         DCHECK(!recent_tabs_menu_model_delegate_.get());
         recent_tabs_menu_model_delegate_.reset(