Mac: Split SystemMonitor initialization so it's not blocked by the Sandbox.

chrome/browser/tabs/tab_strip_model_unittest.cc

 // 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 <map>
 #include <string>
 
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 135 matching lines @@
   // Whether to report that we need to run an unload listener before closing.
   bool run_unload_;
 
   DISALLOW_COPY_AND_ASSIGN(TabStripDummyDelegate);
 };
 
 class TabStripModelTest : public RenderViewHostTestHarness {
  public:
   TabStripModelTest()
       : RenderViewHostTestHarness(),
-        browser_thread_(BrowserThread::UI, &message_loop_) {}
+        browser_thread_(BrowserThread::UI, &message_loop_) {
+#if defined(OS_MACOSX)
+    base::SystemMonitor::AllocateSystemIOPorts();
+#endif
+    system_monitor.reset(new base::SystemMonitor);
+  }
 
   TabContentsWrapper* CreateTabContents() {
     return Browser::TabContentsFactory(profile(), NULL, 0, NULL, NULL);
   }
 
   TabContentsWrapper* CreateTabContentsWithSharedRPH(
       TabContents* tab_contents) {
     TabContentsWrapper* retval = Browser::TabContentsFactory(profile(),
         tab_contents->render_view_host()->site_instance(), MSG_ROUTING_NONE,
         NULL, NULL);
@@ skipping 96 matching lines @@
     return &accessor;
   }
 
   BrowserThread browser_thread_;
 
   std::wstring test_dir_;
   std::wstring profile_path_;
   std::map<TabContents*, int> foo_;
 
   // ProfileManager requires a base::SystemMonitor.
-  base::SystemMonitor system_monitor;
+  scoped_ptr<base::SystemMonitor> system_monitor;
 
   ProfileManager pm_;
 };
 
 class MockTabStripModelObserver : public TabStripModelObserver {
  public:
   MockTabStripModelObserver() : empty_(true),
                                 log_tab_selection_changed_(false),
                                 model_(NULL) {}
   explicit MockTabStripModelObserver(TabStripModel* model)
@@ skipping 2034 matching lines @@
   ASSERT_EQ(1, observer.GetStateCount());
   MockTabStripModelObserver::State s(
       contents2, 1, MockTabStripModelObserver::SELECT);
   s.src_contents = contents2;
   s.src_index = 1;
   s.user_gesture = false;
   EXPECT_TRUE(observer.StateEquals(0, s));
   strip.RemoveObserver(&observer);
   strip.CloseAllTabs();
 }