Add data usage tracking for chrome services

Add data usage tracking for captive portal, web resource and signin services

BUG=655749

Review-Url: https://codereview.chromium.org/2643013004
Cr-Commit-Position: refs/heads/master@{#445810}
void GaiaCookieManagerService::AddAccountToCookieWithToken(
    const std::string& account_id,
    const std::string& access_token,
    const std::string& source) {
  VLOG(1) << "GaiaCookieManagerService::AddAccountToCookieWithToken: "
          << account_id;
  DCHECK(!access_token.empty());
  access_token_ = access_token;
  AddAccountToCookieInternal(account_id, source);
}

void GaiaCookieManagerService::AddAccountToCookieWithToken(
    const std::string& account_id,
    const std::string& access_token,
    const std::string& source) {
  VLOG(1) << "GaiaCookieManagerService::AddAccountToCookieWithToken: "
          << account_id;
  DCHECK(!access_token.empty());
  access_token_ = access_token;
  AddAccountToCookieInternal(account_id, source);
}
