Refactor some more BrowserMain code. Move core code that's required by all embedders to content.

chrome/browser/browser_main_posix.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 "chrome/browser/browser_main_posix.h"
 
 #include <errno.h>
 #include <limits.h>
 #include <signal.h>
 #include <sys/resource.h>
 #include <unistd.h>
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/eintr_wrapper.h"
 #include "base/logging.h"
 #include "base/string_number_conversions.h"
-#include "chrome/browser/defaults.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/common/chrome_switches.h"
 #include "content/browser/browser_thread.h"
 
 #if defined(TOOLKIT_USES_GTK) && !defined(OS_CHROMEOS)
 #include "chrome/browser/printing/print_dialog_gtk.h"
 #endif
 
 namespace {
 
@@ skipping 196 matching lines @@
   }
 #if defined(OS_MACOSX)
   // We use quite a few file descriptors for our IPC, and the default limit on
   // the Mac is low (256), so bump it up if there is no explicit override.
   if (fd_limit == 0) {
     fd_limit = 1024;
   }
 #endif  // OS_MACOSX
   if (fd_limit > 0)
     SetFileDescriptorLimit(fd_limit);
-
-#if defined(OS_CHROMEOS)
-  if (parsed_command_line().HasSwitch(switches::kGuestSession)) {
-    // Disable sync and extensions if we're in "browse without sign-in" mode.
-    CommandLine* singleton_command_line = CommandLine::ForCurrentProcess();
-    singleton_command_line->AppendSwitch(switches::kDisableSync);
-    singleton_command_line->AppendSwitch(switches::kDisableExtensions);
-    browser_defaults::bookmarks_enabled = false;
-  }
-#endif
 }
 
 void BrowserMainPartsPosix::PostMainMessageLoopStart() {
   int pipefd[2];
   int ret = pipe(pipefd);
   if (ret < 0) {
     PLOG(DFATAL) << "Failed to create pipe";
   } else {
     g_shutdown_pipe_read_fd = pipefd[0];
     g_shutdown_pipe_write_fd = pipefd[1];
     const size_t kShutdownDetectorThreadStackSize = 4096;
     // TODO(viettrungluu,willchan): crbug.com/29675 - This currently leaks, so
     // if you change this, you'll probably need to change the suppression.
     if (!base::PlatformThread::CreateNonJoinable(
             kShutdownDetectorThreadStackSize,
             new ShutdownDetector(g_shutdown_pipe_read_fd))) {
       LOG(DFATAL) << "Failed to create shutdown detector task.";
     }
   }
 
 #if defined(TOOLKIT_USES_GTK) && !defined(OS_CHROMEOS)
   printing::PrintingContextCairo::SetCreatePrintDialogFunction(
       &PrintDialogGtk::CreatePrintDialog);
 #endif
 }