Limit extent of webstore app to just chrome.google.com/webstore.

BUG=93497
TEST=Try installing extensions and apps from the webstore, starting both being
initially logged in, and not.


Review URL: http://codereview.chromium.org/7719003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@97986 0039d316-1c4b-4281-b951-d872f2087c98
void ExtensionServiceBackend::ReportExtensionLoadError(
    const FilePath& extension_path, const std::string &error) {
  CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  if (frontend_.get())
    frontend_->ReportExtensionLoadError(
        extension_path, error, chrome::NOTIFICATION_EXTENSION_INSTALL_ERROR,
        true /* alert_on_error */);
}

void ExtensionServiceBackend::ReportExtensionLoadError(
    const FilePath& extension_path, const std::string &error) {
  CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  if (frontend_.get())
    frontend_->ReportExtensionLoadError(
        extension_path, error, chrome::NOTIFICATION_EXTENSION_INSTALL_ERROR,
        true /* alert_on_error */);
}
