Fix Volume slider is captured in screenshot done in touchview mode

chrome/browser/ui/ash/chrome_screenshot_grabber.cc

Index: chrome/browser/ui/ash/chrome_screenshot_grabber.cc
diff --git a/chrome/browser/ui/ash/chrome_screenshot_grabber.cc b/chrome/browser/ui/ash/chrome_screenshot_grabber.cc
index a1078e6bd7bcee53a5e70b2aca17ef42d9c570e5..a3edcdabec8eed492b5d889554e81d461b1d7c08 100644
--- a/chrome/browser/ui/ash/chrome_screenshot_grabber.cc
+++ b/chrome/browser/ui/ash/chrome_screenshot_grabber.cc
@@ -7,6 +7,9 @@
 #include <stddef.h>
 
 #include "ash/common/system/system_notifier.h"
+#include "ash/common/system/tray/system_tray_notifier.h"
+#include "ash/common/wm/maximize_mode/maximize_mode_controller.h"
+#include "ash/common/wm_shell.h"
 #include "ash/shell.h"
 #include "base/base64.h"
 #include "base/bind.h"
@@ -394,6 +397,10 @@ void ChromeScreenshotGrabber::OnScreenshotCompleted(
     g_browser_process->notification_ui_manager()->Add(*notification,
                                                       GetProfile());
   }
+  ash::WmShell* wm_shell = ash::WmShell::Get();
+  if (wm_shell->maximize_mode_controller()
+          ->IsMaximizeModeWindowManagerEnabled())
+    wm_shell->system_tray_notifier()->NotifyDidTakeScreenshot();
 }
 
 Notification* ChromeScreenshotGrabber::CreateNotification(