Remove web_app_ui.[cc|h].

chrome/browser/web_applications/web_app_win.cc

Index: chrome/browser/web_applications/web_app_win.cc
diff --git a/chrome/browser/web_applications/web_app_win.cc b/chrome/browser/web_applications/web_app_win.cc
index 3178d6790fcaa10d006f9f0d8b62f4c59ca5b838..d1dccce54e23f644c1bd7fa718e7759a5cf39b78 100644
--- a/chrome/browser/web_applications/web_app_win.cc
+++ b/chrome/browser/web_applications/web_app_win.cc
@@ -17,6 +17,7 @@
 #include "base/strings/utf_string_conversions.h"
 #include "base/win/shortcut.h"
 #include "base/win/windows_version.h"
+#include "chrome/browser/web_applications/update_shortcut_worker_win.h"
 #include "chrome/browser/web_applications/web_app.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/installer/util/browser_distribution.h"
@@ -548,4 +549,10 @@ base::FilePath GetIconFilePath(const base::FilePath& web_app_path,
 
 }  // namespace internals
 
+void UpdateShortcutForTabContents(content::WebContents* web_contents) {
+  // UpdateShortcutWorker will delete itself when it's done.
+  UpdateShortcutWorker* worker = new UpdateShortcutWorker(web_contents);
+  worker->Run();
+}
+
 }  // namespace web_app