Support getting and deleting token for Instance ID.

google_apis/gcm/engine/instance_id_get_token_request.cc

+// Copyright 2014 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 "google_apis/gcm/engine/instance_id_get_token_request.h"
+
+#include "base/strings/string_number_conversions.h"
+#include "google_apis/gcm/base/gcm_util.h"
+#include "net/url_request/url_request_context_getter.h"
+
+namespace gcm {
+
+namespace {
+
+// Request constants.
+const char kAuthorizedEntityKey[] = "sender";
+const char kGMSVersionKey[] = "gmsv";
+const char kInstanceIDKey[] = "appid";
+const char kScopeKey[] = "scope";
+// Prefix that needs to be added for each option key.
+const char kOptionKeyPrefix[] = "X-";
+
+}  // namespace
+
+InstanceIDGetTokenRequest::ExtraRequestInfo::ExtraRequestInfo(
+    const std::string& instance_id,
+    const std::string& authorized_entity,
+    const std::string& scope,
+    int gcm_version,
+    const std::map<std::string, std::string>& options)
+    : instance_id(instance_id),
+      authorized_entity(authorized_entity),
+      scope(scope),
+      gcm_version(gcm_version),
+      options(options) {
+}
+
+InstanceIDGetTokenRequest::ExtraRequestInfo::~ExtraRequestInfo() {}
+
+InstanceIDGetTokenRequest::InstanceIDGetTokenRequest(
+    const GURL& registration_url,
+    const RequestInfo& request_info,
+    const ExtraRequestInfo& extra_request_info,
+    const net::BackoffEntry::Policy& backoff_policy,
+    const RegistrationCallback& callback,
+    int max_retry_count,
+    scoped_refptr<net::URLRequestContextGetter> request_context_getter,
+    GCMStatsRecorder* recorder)
+    : RegistrationRequest(registration_url,
+                          request_info,
+                          backoff_policy,
+                          callback,
+                          max_retry_count,
+                          request_context_getter,
+                          recorder),
+      extra_request_info_(extra_request_info) {
+}
+
+InstanceIDGetTokenRequest::~InstanceIDGetTokenRequest() {}
+
+void InstanceIDGetTokenRequest::BuildRequestBody(std::string* body){
+  DCHECK(!extra_request_info_.instance_id.empty() &&

[Nicolas Zea, 2015/05/21 21:07:51]

These should probably be in ExtraRequestInfo constructor, rather than here or in
addition to (and same with other registration requests).

[jianli, 2015/05/21 23:11:24]

Done.

+         !extra_request_info_.authorized_entity.empty() &&
+         !extra_request_info_.scope.empty());
+
+  RegistrationRequest::BuildRequestBody(body);
+
+  BuildFormEncoding(kScopeKey, extra_request_info_.scope, body);
+  for (auto iter = extra_request_info_.options.begin();
+       iter != extra_request_info_.options.end();
+       ++iter) {
+    BuildFormEncoding(kOptionKeyPrefix + iter->first, iter->second, body);
+  }
+  BuildFormEncoding(kGMSVersionKey,
+                    base::IntToString(extra_request_info_.gcm_version),
+                    body);
+  BuildFormEncoding(kInstanceIDKey, extra_request_info_.instance_id, body);
+  BuildFormEncoding(kAuthorizedEntityKey,
+                    extra_request_info_.authorized_entity,
+                    body);
+}
+
+std::string InstanceIDGetTokenRequest::GetSourceForRecorder() const {
+  return extra_request_info_.authorized_entity;
+}
+
+}  // namespace gcm