Return unique_ptrs from base::ProcessMetrics.

components/memory_pressure/direct_memory_pressure_calculator_win_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 "components/memory_pressure/direct_memory_pressure_calculator_win.h"
 
+#include "base/logging.h"
+#include "base/process/process_metrics.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace memory_pressure {
 
 #if defined(MEMORY_PRESSURE_IS_POLLING)
 
 namespace {
 
-static const int kKBperMB = 1024;
+const int kKBperMB = 1024;
 
 }  // namespace
 
 // This is out of the anonymous namespace space because it is a friend of
 // DirectMemoryPressureCalculator.
 class TestDirectMemoryPressureCalculator
     : public DirectMemoryPressureCalculator {
  public:
   explicit TestDirectMemoryPressureCalculator(bool large_memory)
       : DirectMemoryPressureCalculator(20, 10) {
@@ skipping 144 matching lines @@
 
   EXPECT_EQ(kModerateMb, calc.moderate_threshold_mb());
   EXPECT_EQ(kCriticalMb, calc.critical_threshold_mb());
 
   ASSERT_NO_FATAL_FAILURE(CalculateCurrentPressureLevelTest(&calc));
 }
 
 #endif  // defined(MEMORY_PRESSURE_IS_POLLING)
 
 }  // namespace memory_pressure