Revert of Implement IPC::ParamTraits<mojo::MessagePipeHandle>

ipc/mojo/ipc_channel_mojo_unittest.cc

Index: ipc/mojo/ipc_channel_mojo_unittest.cc
diff --git a/ipc/mojo/ipc_channel_mojo_unittest.cc b/ipc/mojo/ipc_channel_mojo_unittest.cc
index 356d3b3acd110ab1835f89ca9849cd0ccdc8c4fa..662e75829694e0358e206cfaa01be2983c40321a 100644
--- a/ipc/mojo/ipc_channel_mojo_unittest.cc
+++ b/ipc/mojo/ipc_channel_mojo_unittest.cc
@@ -18,7 +18,6 @@
 #include "ipc/mojo/ipc_channel_mojo_host.h"
 #include "ipc/mojo/ipc_mojo_handle_attachment.h"
 #include "ipc/mojo/ipc_mojo_message_helper.h"
-#include "ipc/mojo/ipc_mojo_param_traits.h"
 #include "ipc/mojo/scoped_ipc_support.h"
 
 #if defined(OS_POSIX)
@@ -443,120 +442,6 @@
   return 0;
 }
 
-void ReadOK(mojo::MessagePipeHandle pipe) {
-  std::string should_be_ok("xx");
-  uint32_t num_bytes = static_cast<uint32_t>(should_be_ok.size());
-  CHECK_EQ(MOJO_RESULT_OK,
-           mojo::ReadMessageRaw(pipe, &should_be_ok[0], &num_bytes, nullptr,
-                                nullptr, 0));
-  EXPECT_EQ(should_be_ok, std::string("OK"));
-}
-
-void WriteOK(mojo::MessagePipeHandle pipe) {
-  std::string ok("OK");
-  CHECK_EQ(MOJO_RESULT_OK,
-           mojo::WriteMessageRaw(pipe, &ok[0], static_cast<uint32_t>(ok.size()),
-                                 nullptr, 0, 0));
-}
-
-class ListenerThatExpectsMessagePipeUsingParamTrait : public IPC::Listener {
- public:
-  explicit ListenerThatExpectsMessagePipeUsingParamTrait(bool receiving_valid)
-      : sender_(NULL), receiving_valid_(receiving_valid) {}
-
-  ~ListenerThatExpectsMessagePipeUsingParamTrait() override {}
-
-  bool OnMessageReceived(const IPC::Message& message) override {
-    PickleIterator iter(message);
-    mojo::MessagePipeHandle handle;
-    EXPECT_TRUE(IPC::ParamTraits<mojo::MessagePipeHandle>::Read(&message, &iter,
-                                                                &handle));
-    EXPECT_EQ(handle.is_valid(), receiving_valid_);
-    if (receiving_valid_) {
-      ReadOK(handle);
-      MojoClose(handle.value());
-    }
-
-    base::MessageLoop::current()->Quit();
-    ListenerThatExpectsOK::SendOK(sender_);
-    return true;
-  }
-
-  void OnChannelError() override { NOTREACHED(); }
-  void set_sender(IPC::Sender* sender) { sender_ = sender; }
-
- private:
-  IPC::Sender* sender_;
-  bool receiving_valid_;
-};
-
-void ParamTraitMessagePipeClient(bool receiving_valid_handle,
-                                  const char* channel_name) {
-  ListenerThatExpectsMessagePipeUsingParamTrait listener(
-      receiving_valid_handle);
-  ChannelClient client(&listener, channel_name);
-  client.Connect();
-  listener.set_sender(client.channel());
-
-  base::MessageLoop::current()->Run();
-
-  client.Close();
-}
-
-TEST_F(IPCChannelMojoTest, ParamTraitValidMessagePipe) {
-  InitWithMojo("ParamTraitValidMessagePipeClient");
-
-  ListenerThatExpectsOK listener;
-  CreateChannel(&listener);
-  ASSERT_TRUE(ConnectChannel());
-  ASSERT_TRUE(StartClient());
-
-  TestingMessagePipe pipe;
-
-  scoped_ptr<IPC::Message> message(new IPC::Message());
-  IPC::ParamTraits<mojo::MessagePipeHandle>::Write(message.get(),
-                                                   pipe.peer.release());
-  WriteOK(pipe.self.get());
-
-  this->channel()->Send(message.release());
-  base::MessageLoop::current()->Run();
-  this->channel()->Close();
-
-  EXPECT_TRUE(WaitForClientShutdown());
-  DestroyChannel();
-}
-
-MULTIPROCESS_IPC_TEST_CLIENT_MAIN(ParamTraitValidMessagePipeClient) {
-  ParamTraitMessagePipeClient(true, "ParamTraitValidMessagePipeClient");
-  return 0;
-}
-
-TEST_F(IPCChannelMojoTest, ParamTraitInvalidMessagePipe) {
-  InitWithMojo("ParamTraitInvalidMessagePipeClient");
-
-  ListenerThatExpectsOK listener;
-  CreateChannel(&listener);
-  ASSERT_TRUE(ConnectChannel());
-  ASSERT_TRUE(StartClient());
-
-  mojo::MessagePipeHandle invalid_handle;
-  scoped_ptr<IPC::Message> message(new IPC::Message());
-  IPC::ParamTraits<mojo::MessagePipeHandle>::Write(message.get(),
-                                                   invalid_handle);
-
-  this->channel()->Send(message.release());
-  base::MessageLoop::current()->Run();
-  this->channel()->Close();
-
-  EXPECT_TRUE(WaitForClientShutdown());
-  DestroyChannel();
-}
-
-MULTIPROCESS_IPC_TEST_CLIENT_MAIN(ParamTraitInvalidMessagePipeClient) {
-  ParamTraitMessagePipeClient(false, "ParamTraitInvalidMessagePipeClient");
-  return 0;
-}
-
 #if defined(OS_WIN)
 class IPCChannelMojoDeadHandleTest : public IPCChannelMojoTestBase {
  protected: