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

base/process_util_unittest.cc

Index: base/process_util_unittest.cc
diff --git a/base/process_util_unittest.cc b/base/process_util_unittest.cc
index 45ecdbb54c472b5da5aedd5fc4e01b3ff4522b2a..6c7dc88697579f703f9c6fe8978112081c43b8ab 100644
--- a/base/process_util_unittest.cc
+++ b/base/process_util_unittest.cc
@@ -119,7 +119,7 @@ class ProcessUtilTest : public base::MultiProcessTest {
 #endif
 };
 
-MULTIPROCESS_TEST_MAIN(SimpleChildProcess) {
+MULTIPROCESS_TEST_MAIN(SimpleChildProcess, NULL) {
   return 0;
 }
 
@@ -131,7 +131,7 @@ TEST_F(ProcessUtilTest, SpawnChild) {
   base::CloseProcessHandle(handle);
 }
 
-MULTIPROCESS_TEST_MAIN(SlowChildProcess) {
+MULTIPROCESS_TEST_MAIN(SlowChildProcess, NULL) {
   WaitToDie(kSignalFileSlow);
   return 0;
 }
@@ -211,7 +211,7 @@ TEST_F(ProcessUtilTest, GetModuleFromAddress) {
 // with no symbols (instead of using the multiprocess testing
 // framework) to reduce the ReportCrash overhead.
 
-MULTIPROCESS_TEST_MAIN(CrashingChildProcess) {
+MULTIPROCESS_TEST_MAIN(CrashingChildProcess, NULL) {
   WaitToDie(kSignalFileCrash);
 #if defined(OS_POSIX)
   // Have to disable to signal handler for segv so we can get a crash
@@ -264,7 +264,7 @@ TEST_F(ProcessUtilTest, MAYBE_GetTerminationStatusCrash) {
 }
 #endif  // !defined(OS_MACOSX)
 
-MULTIPROCESS_TEST_MAIN(KilledChildProcess) {
+MULTIPROCESS_TEST_MAIN(KilledChildProcess, NULL) {
   WaitToDie(kSignalFileKill);
 #if defined(OS_WIN)
   // Kill ourselves.
@@ -522,7 +522,7 @@ const int kChildPipe = 20;  // FD # for write end of pipe in child process.
 
 }  // namespace
 
-MULTIPROCESS_TEST_MAIN(ProcessUtilsLeakFDChildProcess) {
+MULTIPROCESS_TEST_MAIN(ProcessUtilsLeakFDChildProcess, NULL) {
   // This child process counts the number of open FDs, it then writes that
   // number out to a pipe connected to the parent.
   int num_open_files = 0;
@@ -915,7 +915,7 @@ TEST_F(ProcessUtilTest, DelayedTermination) {
   base::CloseProcessHandle(child_process);
 }
 
-MULTIPROCESS_TEST_MAIN(process_util_test_never_die) {
+MULTIPROCESS_TEST_MAIN(process_util_test_never_die, NULL) {
   while (1) {
     sleep(500);
   }
@@ -935,7 +935,7 @@ TEST_F(ProcessUtilTest, ImmediateTermination) {
   base::CloseProcessHandle(child_process);
 }
 
-MULTIPROCESS_TEST_MAIN(process_util_test_die_immediately) {
+MULTIPROCESS_TEST_MAIN(process_util_test_die_immediately, NULL) {
   return 0;
 }