Adding tests for new webstore beginInstallWithManifest method.

BUG=75821
TEST=none
Review URL: http://codereview.chromium.org/6900059

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@83080 0039d316-1c4b-4281-b951-d872f2087c98
void BeginInstallWithManifestFunction::OnParseFailure(
    ResultCode result_code, const std::string& error_message) {
  SetResult(result_code);
  error_ = error_message;
  SendResponse(false);

  Release();
}

void BeginInstallWithManifestFunction::OnParseFailure(
    ResultCode result_code, const std::string& error_message) {
  SetResult(result_code);
  error_ = error_message;
  SendResponse(false);

  Release();
}
