Stop linking in the old Mojo EDK.

mojo/edk/system/data_pipe_unittest.cc

Index: mojo/edk/system/data_pipe_unittest.cc
diff --git a/mojo/edk/system/data_pipe_unittest.cc b/mojo/edk/system/data_pipe_unittest.cc
index af2cf3e6e815170e5c929df195fc2fd8c46a65dc..4cf8e4ac3dbbb35353cc73a022596dac2f802273 100644
--- a/mojo/edk/system/data_pipe_unittest.cc
+++ b/mojo/edk/system/data_pipe_unittest.cc
@@ -35,10 +35,12 @@ const uint32_t kSizeOfOptions =
 // TODO(vtl): Get rid of this.
 const size_t kMaxPoll = 100;
 
+#if !defined(OS_IOS)
 // Used in Multiprocess test.
 const size_t kMultiprocessCapacity = 37;
 const char kMultiprocessTestData[] = "hello i'm a string that is 36 bytes";
 const int kMultiprocessMaxIter = 513;
+#endif
 
 class DataPipeTest : public testing::Test {
  public:
@@ -1633,6 +1635,8 @@ TEST_F(DataPipeTest, ConsumerWithClosedProducerSent) {
   ASSERT_EQ(MOJO_RESULT_OK, MojoClose(pipe1));
 }
 
+#if !defined(OS_IOS)
+
 bool WriteAllData(MojoHandle producer,
                   const void* elements,
                   uint32_t num_bytes) {
@@ -1777,6 +1781,11 @@ TEST_F(DataPipeTest, MAYBE_Multiprocess) {
   }
 
   // Don't have to close the consumer here because it will be done for us.
+  std::string quitquitquit("quitquitquit");
+  ASSERT_EQ(MOJO_RESULT_OK,
+            MojoWriteMessage(server_mp,  quitquitquit.data(),
+                             static_cast<uint32_t>(quitquitquit.size()),
+                             nullptr, 0u, MOJO_WRITE_MESSAGE_FLAG_NONE));
   EXPECT_EQ(MOJO_RESULT_OK, MojoClose(server_mp));
   EXPECT_TRUE(multiprocess_test_helper.WaitForChildTestShutdown());
 }
@@ -1842,11 +1851,24 @@ MOJO_MULTIPROCESS_TEST_CHILD_TEST(MultiprocessClient) {
   // Write the test string one more time.
   EXPECT_TRUE(WriteAllData(producer, kMultiprocessTestData, kTestDataSize));
 
+  std::string quitquitquit("quitquitquit");
+  ASSERT_EQ(MOJO_RESULT_OK, MojoWait(client_mp, MOJO_HANDLE_SIGNAL_READABLE,
+                                     MOJO_DEADLINE_INDEFINITE, &hss));
+  std::string read_buffer(1000, '\0');
+  uint32_t read_buffer_size = static_cast<uint32_t>(read_buffer.size());
+  ASSERT_EQ(MOJO_RESULT_OK,
+            MojoReadMessage(client_mp, &read_buffer[0], &read_buffer_size,
+                            nullptr, 0, MOJO_READ_MESSAGE_FLAG_NONE));
+  read_buffer.resize(read_buffer_size);
+  ASSERT_EQ(quitquitquit, read_buffer);
+
   // We swapped ends, so close the producer.
   EXPECT_EQ(MOJO_RESULT_OK, MojoClose(producer));
   EXPECT_EQ(MOJO_RESULT_OK, MojoClose(client_mp));
 }
 
+#endif  // !defined(OS_IOS)
+
 }  // namespace
 }  // namespace edk
 }  // namespace mojo