sync: Refactor per-datatype throttling

sync/sessions/sync_session_context_unittest.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 "sync/sessions/sync_session_context.h"
-
-#include "sync/internal_api/public/syncable/model_type.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace browser_sync {
-namespace sessions {
-TEST(SyncSessionContextTest, AddUnthrottleTimeTest) {
-  const syncable::ModelTypeSet types(
-      syncable::BOOKMARKS, syncable::PASSWORDS);
-
-  SyncSessionContext context;
-  base::TimeTicks now = base::TimeTicks::Now();
-  context.SetUnthrottleTime(types, now);
-
-  EXPECT_EQ(context.unthrottle_times_.size(), 2U);
-  EXPECT_EQ(context.unthrottle_times_[syncable::BOOKMARKS], now);
-  EXPECT_EQ(context.unthrottle_times_[syncable::PASSWORDS], now);
-}
-
-TEST(SyncSessionContextTest, GetCurrentlyThrottledTypesTest) {
-  const syncable::ModelTypeSet types(
-      syncable::BOOKMARKS, syncable::PASSWORDS);
-
-  SyncSessionContext context;
-  base::TimeTicks now = base::TimeTicks::Now();
-
-  // Now update the throttled types with time set to 10 seconds earlier from
-  // now.
-  context.SetUnthrottleTime(types, now - base::TimeDelta::FromSeconds(10));
-  context.PruneUnthrottledTypes(base::TimeTicks::Now());
-  EXPECT_TRUE(context.GetThrottledTypes().Empty());
-
-  // Now update the throttled types with time set to 2 hours from now.
-  context.SetUnthrottleTime(types, now + base::TimeDelta::FromSeconds(1200));
-  context.PruneUnthrottledTypes(base::TimeTicks::Now());
-  EXPECT_TRUE(context.GetThrottledTypes().Equals(types));
-}
-}  // namespace sessions.
-}  // namespace browser_sync
-