Add default icon to app_host.exe, and use it in shortcuts during installation.

chrome/browser/shell_integration.h

Index: chrome/browser/shell_integration.h
diff --git a/chrome/browser/shell_integration.h b/chrome/browser/shell_integration.h
index 138c87438e19d9454714ccbb4f23882003b3957b..5283b4ff9f8243a66eb970ea835c31626f838f4f 100644
--- a/chrome/browser/shell_integration.h
+++ b/chrome/browser/shell_integration.h
@@ -146,9 +146,10 @@ class ShellIntegration {
   // Get the AppUserModelId for the App List, for the profile in |profile_path|.
   static string16 GetAppListAppModelIdForProfile(const FilePath& profile_path);
 
-  // Returns the path to the Chromium icon. This is used to specify the icon
-  // to use for the taskbar group on Win 7.
-  static string16 GetChromiumIconPath();
+  // Returns the location (path and index) of the Chromium icon, (e.g.,
+  // "C:\path\to\chrome.exe,0"). This is used to specify the icon to use
+  // for the taskbar group on Win 7.
+  static string16 GetChromiumIconString();

[grt (UTC plus 2), 2012/11/16 21:05:26]

String -> Location

[huangs, 2012/11/16 22:04:56]

Done.

 
   // Migrates existing chrome shortcuts by tagging them with correct app id.
   // see http://crbug.com/28104