Fix typos in field trial for low memory experiment.

chrome/browser/chromeos/chrome_browser_main_chromeos.cc

 // Copyright (c) 2012 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 "chrome/browser/chromeos/chrome_browser_main_chromeos.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 506 matching lines @@
         base::FieldTrialList::FactoryGetFieldTrial(
             "LowMemoryMargin", kDivisor, "default", 2012, 6, 30, NULL);
     int disable = trial->AppendGroup("off", kEnableProbability);
     int margin_0mb = trial->AppendGroup("0mb", kEnableProbability);
     int margin_25mb = trial->AppendGroup("25mb", kEnableProbability);
     int margin_50mb = trial->AppendGroup("50mb", kEnableProbability);
     int margin_100mb = trial->AppendGroup("100mb", kEnableProbability);
     int margin_200mb = trial->AppendGroup("200mb", kEnableProbability);
     if (trial->group() == disable) {
       LOG(WARNING) << "low_mem: Part of 'off' experiment";
-      chromeos::LowMemoryObserver::SetLowMemoryMargin(0);
+      chromeos::LowMemoryObserver::SetLowMemoryMargin(-1);
     } else if (trial->group() == margin_0mb) {
       LOG(WARNING) << "low_mem: Part of '0MB' experiment";
-      chromeos::LowMemoryObserver::SetLowMemoryMargin(50);
+      chromeos::LowMemoryObserver::SetLowMemoryMargin(0);
     } else if (trial->group() == margin_25mb) {
       LOG(WARNING) << "low_mem: Part of '25MB' experiment";
-      chromeos::LowMemoryObserver::SetLowMemoryMargin(50);
+      chromeos::LowMemoryObserver::SetLowMemoryMargin(25);
     } else if (trial->group() == margin_50mb) {
       LOG(WARNING) << "low_mem: Part of '50MB' experiment";
       chromeos::LowMemoryObserver::SetLowMemoryMargin(50);
     } else if (trial->group() == margin_100mb) {
       LOG(WARNING) << "low_mem: Part of '100MB' experiment";
       chromeos::LowMemoryObserver::SetLowMemoryMargin(100);
     } else if (trial->group() == margin_200mb) {
       LOG(WARNING) << "low_mem: Part of '200MB' experiment";
       chromeos::LowMemoryObserver::SetLowMemoryMargin(200);
     } else {
       LOG(WARNING) << "low_mem: Part of 'default' experiment";
     }
   }
 }