Move SystemMonitor to src/chrome/common....

ui/base/system_monitor/system_monitor_unittest.cc

Index: ui/base/system_monitor/system_monitor_unittest.cc
===================================================================
--- ui/base/system_monitor/system_monitor_unittest.cc	(revision 0)
+++ ui/base/system_monitor/system_monitor_unittest.cc	(working copy)
@@ -1,10 +1,12 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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 "app/system_monitor.h"
+#include "ui/base/system_monitor/system_monitor.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+namespace ui {
+
 class PowerTest : public SystemMonitor::PowerObserver {
  public:
   PowerTest()
@@ -85,3 +87,5 @@
   loop.RunAllPending();
   EXPECT_EQ(test[0].resumes(), 1);
 }
+
+}  // namespace ui