[Sync] Move sessions/ to engine/cycle/ and rename things to match.

chrome/browser/sync/test/integration/sync_exponential_backoff_test.cc

 // Copyright 2013 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 "base/bind.h"
 #include "base/macros.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/sync/test/integration/bookmarks_helper.h"
 #include "chrome/browser/sync/test/integration/retry_verifier.h"
 #include "chrome/browser/sync/test/integration/single_client_status_change_checker.h"
 #include "chrome/browser/sync/test/integration/sync_integration_test_util.h"
 #include "chrome/browser/sync/test/integration/sync_test.h"
 #include "components/browser_sync/browser/profile_sync_service.h"
 #include "net/base/network_change_notifier.h"
 
 namespace {
 
 using bookmarks_helper::AddFolder;
 using bookmarks_helper::ModelMatchesVerifier;
-using syncer::sessions::SyncSessionSnapshot;
+using syncer::SyncCycleSnapshot;
 using sync_integration_test_util::AwaitCommitActivityCompletion;
 
 class SyncExponentialBackoffTest : public SyncTest {
  public:
   SyncExponentialBackoffTest() : SyncTest(SINGLE_CLIENT) {}
   ~SyncExponentialBackoffTest() override {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SyncExponentialBackoffTest);
 };
 
 // Helper class that checks if a sync client has successfully gone through
 // exponential backoff after it encounters an error.
 class ExponentialBackoffChecker : public SingleClientStatusChangeChecker {
  public:
   explicit ExponentialBackoffChecker(ProfileSyncService* pss)
         : SingleClientStatusChangeChecker(pss) {
-    const SyncSessionSnapshot& snap = service()->GetLastSessionSnapshot();
+    const SyncCycleSnapshot& snap = service()->GetLastCycleSnapshot();
     retry_verifier_.Initialize(snap);
   }
 
   ~ExponentialBackoffChecker() override {}
 
   // Checks if backoff is complete. Called repeatedly each time PSS notifies
   // observers of a state change.
   bool IsExitConditionSatisfied() override {
-    const SyncSessionSnapshot& snap = service()->GetLastSessionSnapshot();
+    const SyncCycleSnapshot& snap = service()->GetLastCycleSnapshot();
     retry_verifier_.VerifyRetryInterval(snap);
     return (retry_verifier_.done() && retry_verifier_.Succeeded());
   }
 
   std::string GetDebugMessage() const override {
     return base::StringPrintf("Verifying backoff intervals (%d/%d)",
                               retry_verifier_.retry_count(),
                               RetryVerifier::kMaxRetry);
   }
 
@@ skipping 32 matching lines @@
 
   base::Time network_notification_time = base::Time::Now();
 
   // Verify that sync was able to recover.
   ASSERT_TRUE(AwaitCommitActivityCompletion(GetSyncService((0))));
   ASSERT_TRUE(ModelMatchesVerifier(0));
 
   // Verify that recovery time is short. Without canary job recovery time would
   // be more than 5 seconds.
   base::TimeDelta recovery_time =
-      GetSyncService(0)->GetLastSessionSnapshot().sync_start_time() -
+      GetSyncService(0)->GetLastCycleSnapshot().sync_start_time() -
       network_notification_time;
   ASSERT_LE(recovery_time, base::TimeDelta::FromSeconds(2));
 }
 
 IN_PROC_BROWSER_TEST_F(SyncExponentialBackoffTest, TransientErrorTest) {
   ASSERT_TRUE(SetupSync()) << "SetupSync() failed.";
 
   // Add an item and ensure that sync is successful.
   ASSERT_TRUE(AddFolder(0, 0, "folder1"));
   ASSERT_TRUE(AwaitCommitActivityCompletion(GetSyncService((0))));
 
   GetFakeServer()->TriggerError(sync_pb::SyncEnums::TRANSIENT_ERROR);
 
   // Add a new item to trigger another sync cycle.
   ASSERT_TRUE(AddFolder(0, 0, "folder2"));
 
   // Verify that the client goes into exponential backoff while it is unable to
   // reach the sync server.
   ExponentialBackoffChecker exponential_backoff_checker(
       GetSyncService((0)));
   exponential_backoff_checker.Wait();
   ASSERT_FALSE(exponential_backoff_checker.TimedOut());
 }
 
 }  // namespace