Add oom tab killing and the about:discards page on linux

chrome/common/chrome_switches.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/common/chrome_switches.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 
 namespace switches {
@@ skipping 1268 matching lines @@
 const char kMetricsClientID[]               = "metrics-client-id";
 
 // A process type (switches::kProcessType) that relaunches the browser. See
 // chrome/browser/mac/relauncher.h.
 const char kRelauncherProcess[]             = "relauncher";
 #endif  // defined(OS_MACOSX)
 
 // Use bubbles for content permissions requests instead of infobars.
 const char kEnablePermissionsBubbles[]      = "enable-permissions-bubbles";
 
+#if defined(OS_WIN) || defined(OS_LINUX)
+// Enable tab discarding when system is under memory pressure.
+const char kEnableTabDiscarding[] = "enable-tab-discarding";
+#endif
+
 #if defined(OS_WIN)
 // Fallback to XPS. By default connector uses CDD.
 const char kEnableCloudPrintXps[]           = "enable-cloud-print-xps";
 
 // Force-enables the profile shortcut manager. This is needed for tests since
 // they use a custom-user-data-dir which disables this.
 const char kEnableProfileShortcutManager[]  = "enable-profile-shortcut-manager";
 
-// Enable tab discarding when system is under memory pressure.
-const char kEnableTabDiscarding[] = "enable-tab-discarding";
-
 // For the DelegateExecute verb handler to launch Chrome in metro mode on
 // Windows 8 and higher.  Used when relaunching metro Chrome.
 const char kForceImmersive[]                = "force-immersive";
 
 // Whether or not the browser should warn if the profile is on a network share.
 // This flag is only relevant for Windows currently.
 const char kNoNetworkProfileWarning[]       = "no-network-profile-warning";
 
 // For the DelegateExecute verb handler to launch Chrome in desktop mode on
 // Windows 8 and higher.  Used when relaunching metro Chrome.
@@ skipping 100 matching lines @@
 
 // -----------------------------------------------------------------------------
 // DO NOT ADD YOUR CRAP TO THE BOTTOM OF THIS FILE.
 //
 // You were going to just dump your switches here, weren't you? Instead, please
 // put them in alphabetical order above, or in order inside the appropriate
 // ifdef at the bottom. The order should match the header.
 // -----------------------------------------------------------------------------
 
 }  // namespace switches