Run ContentMain in a browser_test's browser process. This removes duplication of code in the browse…

chrome/browser/printing/cloud_print/test/cloud_print_proxy_process_browsertest.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.
 
 // Create a service process that uses a Mock to respond to the browser in order
 // to test launching the browser using the cloud print policy check command
 // line switch.
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "base/process/kill.h"
 #include "base/rand_util.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/test/multiprocess_test.h"
 #include "base/test/test_timeouts.h"
 #include "base/time/default_tick_clock.h"
 #include "base/time/time.h"
 #include "chrome/browser/prefs/browser_prefs.h"
 #include "chrome/browser/printing/cloud_print/cloud_print_proxy_service.h"
 #include "chrome/browser/printing/cloud_print/cloud_print_proxy_service_factory.h"
 #include "chrome/browser/service_process/service_process_control.h"
 #include "chrome/browser/ui/startup/startup_browser_creator.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/service_messages.h"
 #include "chrome/common/service_process_util.h"
 #include "chrome/service/service_ipc_server.h"
 #include "chrome/service/service_process.h"
+#include "chrome/test/base/chrome_unit_test_suite.h"
 #include "chrome/test/base/test_launcher_utils.h"
 #include "chrome/test/base/testing_browser_process.h"
 #include "chrome/test/base/testing_io_thread_state.h"
 #include "chrome/test/base/testing_pref_service_syncable.h"
 #include "chrome/test/base/testing_profile.h"
 #include "chrome/test/base/testing_profile_manager.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "content/public/browser/notification_service.h"
+#include "content/public/common/content_paths.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "ipc/ipc_descriptors.h"
 #include "ipc/ipc_multiprocess_test.h"
 #include "ipc/ipc_switches.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/multiprocess_func_list.h"
 
 #if defined(OS_MACOSX)
 #include "chrome/common/mac/mock_launchd.h"
@@ skipping 155 matching lines @@
 typedef base::Callback<void(MockServiceIPCServer* server)>
     SetExpectationsCallback;
 
 // The return value from this routine is used as the exit code for the mock
 // service process. Any non-zero return value will be printed out and can help
 // determine the failure.
 int CloudPrintMockService_Main(SetExpectationsCallback set_expectations) {
   base::MessageLoopForUI main_message_loop;
   main_message_loop.set_thread_name("Main Thread");
   CommandLine* command_line = CommandLine::ForCurrentProcess();
+  content::RegisterPathProvider();
 
 #if defined(OS_MACOSX)
   if (!command_line->HasSwitch(kTestExecutablePath))
     return kMissingSwitch;
   base::FilePath executable_path =
       command_line->GetSwitchValuePath(kTestExecutablePath);
   EXPECT_FALSE(executable_path.empty());
   MockLaunchd mock_launchd(executable_path, &main_message_loop, true, true);
   Launchd::ScopedInstance use_mock(&mock_launchd);
 #endif
@@ skipping 140 matching lines @@
    private:
     bool seen_;
     bool running_;
   };
 
   WindowedChannelConnectionObserver observer_;
 };
 
 CloudPrintProxyPolicyStartupTest::CloudPrintProxyPolicyStartupTest()
     : thread_bundle_(content::TestBrowserThreadBundle::REAL_IO_THREAD) {
+  // Although is really a unit test which runs in the browser_tests binary, it
+  // doesn't get the unit setup which normally happens in the unit test binary.
+  ChromeUnitTestSuite::InitializeProviders();
+  ChromeUnitTestSuite::InitializeResourceBundle();
 }
 
 CloudPrintProxyPolicyStartupTest::~CloudPrintProxyPolicyStartupTest() {
 }
 
 void CloudPrintProxyPolicyStartupTest::SetUp() {
   TestingBrowserProcess::CreateInstance();
 #if defined(OS_MACOSX)
   EXPECT_TRUE(temp_dir_.CreateUniqueTempDir());
   EXPECT_TRUE(MockLaunchd::MakeABundle(temp_dir_.path(),
@@ skipping 218 matching lines @@
   // condition.
   if (should_run_loop)
     run_loop.Run();
 
   EXPECT_EQ("", prefs->GetString(prefs::kCloudPrintEmail));
 
   ShutdownAndWaitForExitWithTimeout(handle);
   content::RunAllPendingInMessageLoop();
   profile_manager.DeleteTestingProfile("StartBrowserWithPolicy");
 }