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

ui/base/system_monitor/system_monitor_unittest.cc

-// 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()
       : battery_(false),
         power_state_changes_(0),
         suspends_(0),
         resumes_(0) {
   }
 
   // PowerObserver callbacks.
@@ skipping 60 matching lines @@
   // Pretend we were awakened.
   system_monitor.ProcessPowerMessage(SystemMonitor::RESUME_EVENT);
   loop.RunAllPending();
   EXPECT_EQ(test[0].resumes(), 1);
 
   // Send a duplicate resume notification.  This should be suppressed.
   system_monitor.ProcessPowerMessage(SystemMonitor::RESUME_EVENT);
   loop.RunAllPending();
   EXPECT_EQ(test[0].resumes(), 1);
 }
+
+}  // namespace ui