[scheduler] Remove blink::scheduler::TaskQueue from public API.

third_party/WebKit/Source/platform/testing/TestingPlatformSupport.cpp

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 279 matching lines @@
 void TestingPlatformSupportWithMockScheduler::AdvanceClockSeconds(
     double seconds) {
   clock_->Advance(base::TimeDelta::FromSecondsD(seconds));
 }
 
 void TestingPlatformSupportWithMockScheduler::SetAutoAdvanceNowToPendingTasks(
     bool auto_advance) {
   mock_task_runner_->SetAutoAdvanceNowToPendingTasks(auto_advance);
 }
 
-scheduler::RendererScheduler*
+scheduler::RendererSchedulerImpl*
 TestingPlatformSupportWithMockScheduler::GetRendererScheduler() const {
   return scheduler_.get();
 }
 
 // static
 double TestingPlatformSupportWithMockScheduler::GetTestTime() {
   TestingPlatformSupportWithMockScheduler* platform =
       static_cast<TestingPlatformSupportWithMockScheduler*>(
           Platform::Current());
   return (platform->clock_->NowTicks() - base::TimeTicks()).InSecondsF();
@@ skipping 39 matching lines @@
   ThreadState::AttachMainThread();
   ThreadState::Current()->RegisterTraceDOMWrappers(nullptr, nullptr, nullptr,
                                                    nullptr);
   HTTPNames::init();
   FetchInitiatorTypeNames::init();
 }
 
 ScopedUnittestsEnvironmentSetup::~ScopedUnittestsEnvironmentSetup() {}
 
 }  // namespace blink