Add a flag to app_shell that allows roaming on cellular networks

extensions/shell/browser/shell_browser_main_parts.cc

 // Copyright 2014 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 "extensions/shell/browser/shell_browser_main_parts.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/prefs/pref_service.h"
@@ skipping 95 matching lines @@
   // Perform initialization of D-Bus objects here rather than in the below
   // helper classes so those classes' tests can initialize stub versions of the
   // D-Bus objects.
   chromeos::DBusThreadManager::Initialize();
   chromeos::disks::DiskMountManager::Initialize();
 
   chromeos::NetworkHandler::Initialize();
   network_controller_.reset(new ShellNetworkController(
       base::CommandLine::ForCurrentProcess()->GetSwitchValueNative(
           switches::kAppShellPreferredNetwork)));
+
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kAppShellAllowRoaming)) {
+    network_controller_->SetCellularAllowRoaming(true);
+  }
+
 #else
   // Non-Chrome OS platforms are for developer convenience, so use a test IME.
   ui::InitializeInputMethodForTesting();
 #endif
 }
 
 void ShellBrowserMainParts::PreEarlyInitialization() {
 }
 
 int ShellBrowserMainParts::PreCreateThreads() {
@@ skipping 167 matching lines @@
 }
 
 void ShellBrowserMainParts::CreateExtensionSystem() {
   DCHECK(browser_context_);
   extension_system_ = static_cast<ShellExtensionSystem*>(
       ExtensionSystem::Get(browser_context_.get()));
   extension_system_->InitForRegularProfile(true);
 }
 
 }  // namespace extensions