Remove memory_pressure component.

components/memory_pressure/test_memory_pressure_calculator.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 "components/memory_pressure/test_memory_pressure_calculator.h"
-
-namespace memory_pressure {
-
-#if defined(MEMORY_PRESSURE_IS_POLLING)
-
-TestMemoryPressureCalculator::TestMemoryPressureCalculator()
-    : level_(MemoryPressureListener::MEMORY_PRESSURE_LEVEL_NONE), calls_(0) {}
-
-TestMemoryPressureCalculator::TestMemoryPressureCalculator(
-    MemoryPressureLevel level)
-    : level_(level), calls_(0) {}
-
-TestMemoryPressureCalculator::MemoryPressureLevel
-TestMemoryPressureCalculator::CalculateCurrentPressureLevel() {
-  ++calls_;
-  return level_;
-}
-
-void TestMemoryPressureCalculator::SetLevel(MemoryPressureLevel level) {
-  level_ = level;
-}
-
-void TestMemoryPressureCalculator::SetNone() {
-  level_ = MemoryPressureListener::MEMORY_PRESSURE_LEVEL_NONE;
-}
-
-void TestMemoryPressureCalculator::SetModerate() {
-  level_ = MemoryPressureListener::MEMORY_PRESSURE_LEVEL_MODERATE;
-}
-
-void TestMemoryPressureCalculator::SetCritical() {
-  level_ = MemoryPressureListener::MEMORY_PRESSURE_LEVEL_CRITICAL;
-}
-
-void TestMemoryPressureCalculator::ResetCalls() {
-  calls_ = 0;
-}
-
-#endif  // defined(MEMORY_PRESSURE_IS_POLLING)
-
-}  // namespace memory_pressure