Removing chrome.pushMessaging API

chrome/browser/extensions/api/push_messaging/obfuscated_gaia_id_fetcher.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/browser/extensions/api/push_messaging/obfuscated_gaia_id_fetcher.h"
-
-#include <vector>
-
-#include "base/json/json_reader.h"
-#include "base/values.h"
-#include "google_apis/gaia/google_service_auth_error.h"
-#include "net/url_request/url_fetcher.h"
-#include "net/url_request/url_request_status.h"
-
-using net::URLFetcher;
-using net::URLRequestContextGetter;
-using net::URLRequestStatus;
-
-namespace {
-
-// URL of the service to get obfuscated Gaia ID (here misnamed channel ID).
-static const char kCWSChannelServiceURL[] =
-    "https://www.googleapis.com/gcm_for_chrome/v1/channels/id";
-
-GoogleServiceAuthError CreateAuthError(const URLFetcher* source) {
-  if (source->GetStatus().status() == URLRequestStatus::CANCELED) {
-    return GoogleServiceAuthError(GoogleServiceAuthError::REQUEST_CANCELED);
-  } else {
-    // TODO(munjal): Improve error handling. Currently we return connection
-    // error for even application level errors. We need to either expand the
-    // GoogleServiceAuthError enum or create a new one to report better
-    // errors.
-    if (source->GetStatus().is_success()) {
-      DLOG(WARNING) << "Remote server returned " << source->GetResponseCode();
-      return GoogleServiceAuthError::FromConnectionError(
-          source->GetResponseCode());
-    } else {
-      DLOG(WARNING) << "URLFetcher failed: " << source->GetStatus().error();
-      return GoogleServiceAuthError::FromConnectionError(
-          source->GetStatus().error());
-    }
-  }
-}
-
-}  // namespace
-
-namespace extensions {
-
-ObfuscatedGaiaIdFetcher::ObfuscatedGaiaIdFetcher(Delegate* delegate)
-    : delegate_(delegate) {
-  DCHECK(delegate);
-}
-
-ObfuscatedGaiaIdFetcher::~ObfuscatedGaiaIdFetcher() { }
-
-// Returns a set of scopes needed to call the API to get obfuscated Gaia ID.
-// static.
-OAuth2TokenService::ScopeSet ObfuscatedGaiaIdFetcher::GetScopes() {
-  OAuth2TokenService::ScopeSet scopes;
-  scopes.insert("https://www.googleapis.com/auth/gcm_for_chrome.readonly");
-  return scopes;
-}
-
-void ObfuscatedGaiaIdFetcher::ReportSuccess(const std::string& obfuscated_id) {
-  if (delegate_)
-    delegate_->OnObfuscatedGaiaIdFetchSuccess(obfuscated_id);
-}
-
-void ObfuscatedGaiaIdFetcher::ReportFailure(
-    const GoogleServiceAuthError& error) {
-  if (delegate_)
-    delegate_->OnObfuscatedGaiaIdFetchFailure(error);
-}
-
-GURL ObfuscatedGaiaIdFetcher::CreateApiCallUrl() {
-  return GURL(kCWSChannelServiceURL);
-}
-
-std::string ObfuscatedGaiaIdFetcher::CreateApiCallBody() {
-  // Nothing to do here, we don't need a body for this request, the URL
-  // encodes all the proper arguments.
-  return std::string();
-}
-
-void ObfuscatedGaiaIdFetcher::ProcessApiCallSuccess(
-    const net::URLFetcher* source) {
-  // TODO(munjal): Change error code paths in this method to report an
-  // internal error.
-  std::string response_body;
-  CHECK(source->GetResponseAsString(&response_body));
-
-  std::string obfuscated_id;
-  if (ParseResponse(response_body, &obfuscated_id))
-    ReportSuccess(obfuscated_id);
-  else
-    // we picked 101 arbitrarily to help us correlate the error with this code.
-    ReportFailure(GoogleServiceAuthError::FromConnectionError(101));
-}
-
-void ObfuscatedGaiaIdFetcher::ProcessApiCallFailure(
-    const net::URLFetcher* source) {
-  ReportFailure(CreateAuthError(source));
-}
-
-// static
-bool ObfuscatedGaiaIdFetcher::ParseResponse(
-    const std::string& data, std::string* result) {
-  scoped_ptr<base::Value> value(base::JSONReader::Read(data));
-
-  if (!value.get())
-    return false;
-
-  base::DictionaryValue* dict = NULL;
-  if (!value->GetAsDictionary(&dict))
-    return false;
-
-  return dict->GetString("id", result);
-}
-
-}  // namespace extensions