Make GlobalDescriptors::MaybeGet return -1 when the key is not found.

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"
@@ skipping 16 matching lines @@
 #include "chrome/service/service_process.h"
 #include "chrome/test/base/test_launcher_utils.h"
 #include "chrome/test/base/testing_browser_process.h"
 #include "chrome/test/base/testing_pref_service.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 "content/public/browser/notification_service.h"
 #include "content/public/test/test_browser_thread.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"
 #endif
 #if defined(OS_POSIX)
 #include "base/global_descriptors_posix.h"
@@ skipping 210 matching lines @@
     return kExpectationsNotMet;
   if (!g_good_shutdown)
     return kShutdownNotGood;
   return 0;
 }
 
 void SetServiceEnabledExpectations(MockServiceIPCServer* server) {
   server->SetServiceEnabledExpectations();
 }
 
-MULTIPROCESS_TEST_MAIN(CloudPrintMockService_StartEnabledWaitForQuit) {
+MULTIPROCESS_IPC_TEST_MAIN(CloudPrintMockService_StartEnabledWaitForQuit) {
   return CloudPrintMockService_Main(
       base::Bind(&SetServiceEnabledExpectations));
 }
 
 void SetServiceWillBeDisabledExpectations(MockServiceIPCServer* server) {
   server->SetWillBeDisabledExpectations();
 }
 
-MULTIPROCESS_TEST_MAIN(CloudPrintMockService_StartEnabledExpectDisabled) {
+MULTIPROCESS_IPC_TEST_MAIN(CloudPrintMockService_StartEnabledExpectDisabled) {
   return CloudPrintMockService_Main(
       base::Bind(&SetServiceWillBeDisabledExpectations));
 }
 
 class CloudPrintProxyPolicyStartupTest : public base::MultiProcessTest,
                                          public IPC::Listener {
  public:
   CloudPrintProxyPolicyStartupTest();
   ~CloudPrintProxyPolicyStartupTest();
 
@@ skipping 245 matching lines @@
   // No expectations on run_loop being true here; that would be a race
   // condition.
   if (run_loop)
     MessageLoop::current()->Run();
 
   EXPECT_EQ("", prefs->GetString(prefs::kCloudPrintEmail));
 
   ShutdownAndWaitForExitWithTimeout(handle);
   profile_manager.DeleteTestingProfile("StartBrowserWithPolicy");
 }