Add app.window.setIcon

chrome/browser/ui/extensions/shell_window.h

Index: chrome/browser/ui/extensions/shell_window.h
diff --git a/chrome/browser/ui/extensions/shell_window.h b/chrome/browser/ui/extensions/shell_window.h
index 0a7a43ffe80681434da1d7e5af5a82a103abd914..544d2bebea7a0a7834a99608f2961d104107fda8 100644
--- a/chrome/browser/ui/extensions/shell_window.h
+++ b/chrome/browser/ui/extensions/shell_window.h
@@ -76,6 +76,9 @@ class ShellWindow : public content::NotificationObserver,
                              const GURL& url,
                              const CreateParams& params);
 
+  // Specifies a url for the launcher icon.
+  void SetLauncherIconUrl(const GURL& icon_url);
+
   // Convert draggable regions in raw format to SkRegion format. Caller is
   // responsible for deleting the returned SkRegion instance.
   static SkRegion* RawDraggableRegionsToSkRegion(
@@ -87,6 +90,7 @@ class ShellWindow : public content::NotificationObserver,
   content::WebContents* web_contents() const { return web_contents_.get(); }
   Profile* profile() const { return profile_; }
   const gfx::Image& app_icon() const { return app_icon_; }
+  const GURL& launcher_icon_url() { return launcher_icon_url_; }
 
   BaseWindow* GetBaseWindow();
   gfx::NativeWindow GetNativeWindow() {
@@ -211,6 +215,10 @@ class ShellWindow : public content::NotificationObserver,
   // Used for loading app_icon_.
   scoped_ptr<ImageLoadingTracker> app_icon_loader_;
 
+  // Icon URL to be used for setting the launcher icon. If empty, the app icon
+  // should be used.
+  GURL launcher_icon_url_;
+
   scoped_ptr<NativeAppWindow> native_app_window_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellWindow);