Changing multiprocess test SpawnChild to return a struct.

base/memory/shared_memory_mac_unittest.cc

Index: base/memory/shared_memory_mac_unittest.cc
diff --git a/base/memory/shared_memory_mac_unittest.cc b/base/memory/shared_memory_mac_unittest.cc
index c7d20ec049358c92880d9237d6958f0959e9d17c..4ccee89deb46ff7aa56ce0057caaa69135c11329 100644
--- a/base/memory/shared_memory_mac_unittest.cc
+++ b/base/memory/shared_memory_mac_unittest.cc
@@ -204,7 +204,7 @@ class SharedMemoryMacMultiProcessTest : public MultiProcessTest {
     // similar tests.
     service_name_ = CreateRandomServiceName();
     server_port_.reset(BecomeMachServer(service_name_.c_str()));
-    child_process_ = SpawnChild(name);
+    spawn_child_ = SpawnChild(name);
     client_port_.reset(ReceiveMachPort(server_port_.get()));
   }
 
@@ -221,7 +221,7 @@ class SharedMemoryMacMultiProcessTest : public MultiProcessTest {
   // process.
   mac::ScopedMachSendRight client_port_;
 
-  base::Process child_process_;
+  base::SpawnChildResult spawn_child_;
   DISALLOW_COPY_AND_ASSIGN(SharedMemoryMacMultiProcessTest);
 };
 
@@ -237,7 +237,7 @@ TEST_F(SharedMemoryMacMultiProcessTest, MachBasedSharedMemory) {
   SendMachPort(client_port_.get(), shared_memory->handle().GetMemoryObject(),
                MACH_MSG_TYPE_COPY_SEND);
   int rv = -1;
-  ASSERT_TRUE(child_process_.WaitForExitWithTimeout(
+  ASSERT_TRUE(spawn_child_.process.WaitForExitWithTimeout(
       TestTimeouts::action_timeout(), &rv));
   EXPECT_EQ(0, rv);
 }
@@ -277,7 +277,7 @@ TEST_F(SharedMemoryMacMultiProcessTest, MachBasedSharedMemoryWithOffset) {
   SendMachPort(
       client_port_.get(), shm.GetMemoryObject(), MACH_MSG_TYPE_COPY_SEND);
   int rv = -1;
-  ASSERT_TRUE(child_process_.WaitForExitWithTimeout(
+  ASSERT_TRUE(spawn_child_.process.WaitForExitWithTimeout(
       TestTimeouts::action_timeout(), &rv));
   EXPECT_EQ(0, rv);
 }