Replaces the % character with \x when generating Windows shortcuts via 
File->"Create application shortcuts." The \x is converted back to % in 
handling the --app switch.

BUG=23693
TEST=None

Review URL: http://codereview.chromium.org/515028

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@35377 0039d316-1c4b-4281-b951-d872f2087c98
  virtual bool Accept() {
    SessionRestore::RestoreSession(profile_, NULL, true, false,
                                   std::vector<GURL>());
    return true;
  }

  virtual bool Accept() {
    SessionRestore::RestoreSession(profile_, NULL, true, false,
                                   std::vector<GURL>());
    return true;
  }
