Replace instances of LINUX2 with OS_CHROMEOS and linux2 with chromeos.

chrome/browser/browser_init.cc

 // Copyright (c) 2006-2008 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/browser_init.h"
 
 #if defined(OS_WIN)
 #include "app/win_util.h"
 #endif
 #include "app/l10n_util.h"
@@ skipping 42 matching lines @@
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "grit/locale_settings.h"
 #include "grit/theme_resources.h"
 #include "webkit/glue/webkit_glue.h"
 
 #if defined(OS_WIN)
 #include "base/win_util.h"
 #endif
 
-#if defined(LINUX2)
+#if defined(OS_CHROMEOS)
 #include "chrome/browser/views/tabs/tab_overview_message_listener.h"
 #endif
 
 namespace {
 
 class SetAsDefaultBrowserTask : public Task {
  public:
   SetAsDefaultBrowserTask() { }
   virtual void Run() {
     ShellIntegration::SetAsDefaultBrowser();
@@ skipping 260 matching lines @@
   bool launched = lwp.Launch(profile, process_startup);
   in_startup = false;
 
   if (!launched) {
     LOG(ERROR) << "launch error";
     if (return_code)
       *return_code = ResultCodes::INVALID_CMDLINE_URL;
     return false;
   }
 
-#if defined(LINUX2)
+#if defined(OS_CHROMEOS)
   // Create the TabOverviewMessageListener so that it can listen for messages
   // regardless of what window has focus.
   TabOverviewMessageListener::instance();
 #endif
   return true;
 }
 
 #if defined(OS_WIN)
 GURL GetWelcomePageURL() {
   std::wstring welcome_url = l10n_util::GetString(IDS_WELCOME_PAGE_URL);
@@ skipping 452 matching lines @@
   scoped_refptr<AutomationProviderClass> automation =
       new AutomationProviderClass(profile);
   automation->ConnectToChannel(channel_id);
   automation->SetExpectedTabCount(expected_tabs);
 
   AutomationProviderList* list =
       g_browser_process->InitAutomationProviderList();
   DCHECK(list);
   list->AddProvider(automation);
 }