Be explicit about namespace testing to not mix it with blink::testing

third_party/WebKit/Source/platform/scheduler/base/time_domain_unittest.cc

 // Copyright 2015 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 "platform/scheduler/base/time_domain.h"
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/test/simple_test_tick_clock.h"
 #include "cc/test/ordered_simple_task_runner.h"
 #include "platform/scheduler/base/task_queue_impl.h"
 #include "platform/scheduler/base/task_queue_manager.h"
 #include "platform/scheduler/base/task_queue_manager_delegate_for_test.h"
 #include "platform/scheduler/base/test_time_source.h"
 #include "platform/scheduler/base/work_queue.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
-using testing::_;
-using testing::AnyNumber;
-using testing::Mock;
+using ::testing::_;
+using ::testing::AnyNumber;
+using ::testing::Mock;
 
 namespace blink {
 namespace scheduler {
 
 class MockTimeDomain : public TimeDomain {
  public:
   MockTimeDomain()
       : now_(base::TimeTicks() + base::TimeDelta::FromSeconds(1)) {}
 
   ~MockTimeDomain() override {}
@@ skipping 26 matching lines @@
   MOCK_METHOD1(CancelWakeUpAt, void(base::TimeTicks run_time));
 
   void SetNow(base::TimeTicks now) { now_ = now; }
 
  private:
   base::TimeTicks now_;
 
   DISALLOW_COPY_AND_ASSIGN(MockTimeDomain);
 };
 
-class TimeDomainTest : public testing::Test {
+class TimeDomainTest : public ::testing::Test {
  public:
   void SetUp() final {
     time_domain_ = base::WrapUnique(CreateMockTimeDomain());
     task_queue_ = make_scoped_refptr(new internal::TaskQueueImpl(
         nullptr, time_domain_.get(),
         TaskQueue::Spec(TaskQueue::QueueType::TEST)));
   }
 
   void TearDown() final {
     if (task_queue_)
@@ skipping 109 matching lines @@
   base::TimeTicks wake_up1 = now + base::TimeDelta::FromMilliseconds(10);
   EXPECT_CALL(*time_domain_.get(), RequestWakeUpAt(_, wake_up1)).Times(1);
   time_domain_->ScheduleDelayedWork(task_queue_.get(), {wake_up1, 0}, now);
   base::TimeTicks wake_up2 = now + base::TimeDelta::FromMilliseconds(100);
   time_domain_->ScheduleDelayedWork(task_queue2_.get(), {wake_up2, 0}, now);
 
   TaskQueue* next_task_queue;
   EXPECT_TRUE(time_domain_->NextScheduledTaskQueue(&next_task_queue));
   EXPECT_EQ(task_queue_.get(), next_task_queue);
 
-  testing::Mock::VerifyAndClearExpectations(time_domain_.get());
+  ::testing::Mock::VerifyAndClearExpectations(time_domain_.get());
 
   EXPECT_CALL(*time_domain_.get(), CancelWakeUpAt(wake_up1)).Times(1);
   EXPECT_CALL(*time_domain_.get(), RequestWakeUpAt(_, wake_up2)).Times(1);
 
   time_domain_->UnregisterQueue(task_queue_.get());
   task_queue_ = scoped_refptr<internal::TaskQueueImpl>();
   EXPECT_TRUE(time_domain_->NextScheduledTaskQueue(&next_task_queue));
   EXPECT_EQ(task_queue2_.get(), next_task_queue);
 
-  testing::Mock::VerifyAndClearExpectations(time_domain_.get());
+  ::testing::Mock::VerifyAndClearExpectations(time_domain_.get());
 
   EXPECT_CALL(*time_domain_.get(), CancelWakeUpAt(wake_up2)).Times(1);
 
   time_domain_->UnregisterQueue(task_queue2_.get());
   EXPECT_FALSE(time_domain_->NextScheduledTaskQueue(&next_task_queue));
 }
 
 TEST_F(TimeDomainTest, WakeUpReadyDelayedQueues) {
   base::TimeDelta delay = base::TimeDelta::FromMilliseconds(50);
   base::TimeTicks now = time_domain_->Now();
@@ skipping 98 matching lines @@
   Mock::VerifyAndClearExpectations(time_domain_.get());
   EXPECT_CALL(*time_domain_.get(), RequestWakeUpAt(_, _)).Times(AnyNumber());
   EXPECT_CALL(*time_domain_.get(), CancelWakeUpAt(_)).Times(AnyNumber());
 
   // Tidy up.
   task_queue2->UnregisterTaskQueue();
 }
 
 }  // namespace scheduler
 }  // namespace blink