Added memory pressure monitor for linux.

base/memory/memory_pressure_monitor_linux_unittest.cc

Index: base/memory/memory_pressure_monitor_linux_unittest.cc
diff --git a/base/memory/memory_pressure_monitor_chromeos_unittest.cc b/base/memory/memory_pressure_monitor_linux_unittest.cc
similarity index 90%
copy from base/memory/memory_pressure_monitor_chromeos_unittest.cc
copy to base/memory/memory_pressure_monitor_linux_unittest.cc
index e0afa448a412e80a24be8293716ecd403d954de9..b9fd64d467ecabb478b89eade42990c53f9fdeb5 100644
--- a/base/memory/memory_pressure_monitor_chromeos_unittest.cc
+++ b/base/memory/memory_pressure_monitor_linux_unittest.cc
@@ -1,8 +1,8 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
+// 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 "base/memory/memory_pressure_monitor_chromeos.h"
+#include "base/memory/memory_pressure_monitor.h"
 
 #include "base/basictypes.h"
 #include "base/memory/memory_pressure_listener.h"
@@ -10,7 +10,6 @@
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace base {
-namespace chromeos {
 
 namespace {
 
@@ -45,8 +44,7 @@ bool WasOnMemoryPressureCalled() {
 class TestMemoryPressureMonitor : public MemoryPressureMonitor {
  public:
   TestMemoryPressureMonitor()
-      : MemoryPressureMonitor(THRESHOLD_DEFAULT),
-        memory_in_percent_override_(0) {
+      : MemoryPressureMonitor(), memory_in_percent_override_(0) {
     // Disable any timers which are going on and set a special memory reporting
     // function.
     StopObserving();
@@ -57,14 +55,10 @@ class TestMemoryPressureMonitor : public MemoryPressureMonitor {
     memory_in_percent_override_ = percent;
   }
 
-  void CheckMemoryPressureForTest() {
-    CheckMemoryPressure();
-  }
+  void CheckMemoryPressureForTest() { CheckMemoryPressure(); }
 
  private:
-  int GetUsedMemoryInPercent() override {
-    return memory_in_percent_override_;
-  }
+  int GetUsedMemoryInPercent() override { return memory_in_percent_override_; }
 
   int memory_in_percent_override_;
   DISALLOW_COPY_AND_ASSIGN(TestMemoryPressureMonitor);
@@ -72,10 +66,9 @@ class TestMemoryPressureMonitor : public MemoryPressureMonitor {
 
 // This test tests the various transition states from memory pressure, looking
 // for the correct behavior on event reposting as well as state updates.
-TEST(ChromeOSMemoryPressureMonitorTest, CheckMemoryPressure) {
+TEST(LinuxMemoryPressureMonitorTest, CheckMemoryPressure) {
   base::MessageLoopForUI message_loop;
-  scoped_ptr<TestMemoryPressureMonitor> monitor(
-      new TestMemoryPressureMonitor);
+  scoped_ptr<TestMemoryPressureMonitor> monitor(new TestMemoryPressureMonitor);
   scoped_ptr<MemoryPressureListener> listener(
       new MemoryPressureListener(base::Bind(&OnMemoryPressure)));
   // Checking the memory pressure while 0% are used should not produce any
@@ -162,5 +155,4 @@ TEST(ChromeOSMemoryPressureMonitorTest, CheckMemoryPressure) {
   EXPECT_EQ(j, i);
 }
 
-}  // namespace chromeos
 }  // namespace base