Change ImmersiveContextMus to use DesktopCaptureClient.

chrome/browser/chrome_content_browser_client.cc

Index: chrome/browser/chrome_content_browser_client.cc
diff --git a/chrome/browser/chrome_content_browser_client.cc b/chrome/browser/chrome_content_browser_client.cc
index 718b1415ca6e8a7eaa44ca41e4d95749f26f7b2c..fb21b60410058d4fdf61d5283d80b00024ffe088 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -933,11 +933,9 @@ content::BrowserMainParts* ChromeContentBrowserClient::CreateBrowserMainParts(
 #if defined(OS_LINUX) && !defined(OS_CHROMEOS) && !defined(USE_OZONE)
   main_parts->AddParts(new ChromeBrowserMainExtraPartsViewsLinux());
 #else
-  ChromeBrowserMainExtraPartsViews* extra_parts_views =
-      new ChromeBrowserMainExtraPartsViews;
-  main_parts->AddParts(extra_parts_views);
+  main_parts->AddParts(new ChromeBrowserMainExtraPartsViews());
 #if defined(USE_ASH)
-  main_parts->AddParts(new ChromeBrowserMainExtraPartsAsh(extra_parts_views));
+  main_parts->AddParts(new ChromeBrowserMainExtraPartsAsh());
 #endif
 #endif
 #endif