Add app.window.setIcon

chrome/browser/ui/extensions/shell_window.cc

Index: chrome/browser/ui/extensions/shell_window.cc
diff --git a/chrome/browser/ui/extensions/shell_window.cc b/chrome/browser/ui/extensions/shell_window.cc
index 1eb23bb4b883063a011dfe3129c752708dbaa7a2..7dfc7a1be958eb6cfaec86d9d9ad5176f0528192 100644
--- a/chrome/browser/ui/extensions/shell_window.cc
+++ b/chrome/browser/ui/extensions/shell_window.cc
@@ -93,6 +93,11 @@ ShellWindow* ShellWindow::Create(Profile* profile,
   return window;
 }
 
+void ShellWindow::SetLauncherIconUrl(const GURL& url) {
+  launcher_icon_url_ = url;
+  extensions::ShellWindowRegistry::Get(profile_)->UpdateShellWindow(this);
+}
+
 ShellWindow::ShellWindow(Profile* profile,
                          const extensions::Extension* extension)
     : profile_(profile),