Support "Pin to taskbar" for hosted app windows.

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 d1dccce54e23f644c1bd7fa718e7759a5cf39b78..b4785ee6352f5149c4f895309d8456061c39f5b2 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_relaunch_details_worker_win.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"
@@ -353,6 +354,15 @@ base::FilePath CreateShortcutInWebAppDir(
   return web_app_dir_shortcut;
 }
 
+void UpdateRelaunchDetailsForApp(Profile* profile,
+                                 const extensions::Extension* extension,
+                                 HWND hwnd) {
+  // The worker will delete itself on completion.
+  UpdateRelaunchDetailsWorker* worker =

[jackhou1, 2014/04/29 08:50:18]

You can
new UpdateRelaunchDetailsWorker(profile, extension, hwnd)->Run();

[calamity, 2014/05/19 06:11:54]

No longer applicable.

+      new UpdateRelaunchDetailsWorker(profile, extension, hwnd);
+  worker->Run();
+}
+
 namespace internals {
 
 // Saves |image| to |icon_file| if the file is outdated and refresh shell's