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..4f8d7ff2943b6d9a1f001677e266a1523efa9e9f 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 string to the Chromium icon, e.g., if user-level,

[gab, 2012/11/14 23:47:07]

remove "if user-level" this is already an example so you don't need a
conditional :)

Again, I prefer:
Comment (e.g., example).

[huangs, 2012/11/15 00:06:38]

Done.

+  // "C:\\Users\\{Name}\\AppData\\Local\\G\\C\\A\\chrome.exe,0".

[gab, 2012/11/14 23:47:07]

You can make this even more generic since it's an example, i.e.

C:\path\to\chrome.exe,0

and you don't need to use \\ since this is a comment where there is no need for
escaping.

[huangs, 2012/11/15 00:06:38]

Done.

+  // This is used to specify the icon to use for the taskbar group on Win 7.
+  static string16 GetChromiumIconString();
 
   // Migrates existing chrome shortcuts by tagging them with correct app id.
   // see http://crbug.com/28104