Quit the test child message loop on connection error.

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 613b2e2611607c514809e2a296b5495835391ca9..b50c82d816c232618fe936280dafe38d0f11406c 100644
--- a/ipc/mojo/ipc_channel_mojo_unittest.cc
+++ b/ipc/mojo/ipc_channel_mojo_unittest.cc
@@ -380,12 +380,13 @@ class ListenerThatExpectsMessagePipe : public IPC::Listener {
   bool OnMessageReceived(const IPC::Message& message) override {
     base::PickleIterator iter(message);
     HandleSendingHelper::ReadReceivedPipe(message, &iter);
-    base::MessageLoop::current()->QuitWhenIdle();
     ListenerThatExpectsOK::SendOK(sender_);
     return true;
   }
 
-  void OnChannelError() override { NOTREACHED(); }
+  void OnChannelError() override {
+    base::MessageLoop::current()->QuitWhenIdle();
+  }
 
   void set_sender(IPC::Sender* sender) { sender_ = sender; }
 
@@ -457,12 +458,14 @@ class ListenerThatExpectsMessagePipeUsingParamTrait : public IPC::Listener {
       MojoClose(handle.value());
     }
 
-    base::MessageLoop::current()->QuitWhenIdle();
     ListenerThatExpectsOK::SendOK(sender_);
     return true;
   }
 
-  void OnChannelError() override { NOTREACHED(); }
+  void OnChannelError() override {
+    base::MessageLoop::current()->QuitWhenIdle();
+  }
+
   void set_sender(IPC::Sender* sender) { sender_ = sender; }
 
  private:
@@ -589,12 +592,13 @@ class ListenerThatExpectsFile : public IPC::Listener {
   bool OnMessageReceived(const IPC::Message& message) override {
     base::PickleIterator iter(message);
     HandleSendingHelper::ReadReceivedFile(message, &iter);
-    base::MessageLoop::current()->QuitWhenIdle();
     ListenerThatExpectsOK::SendOK(sender_);
     return true;
   }
 
-  void OnChannelError() override { NOTREACHED(); }
+  void OnChannelError() override {
+    base::MessageLoop::current()->QuitWhenIdle();
+  }
 
   void set_sender(IPC::Sender* sender) { sender_ = sender; }
 
@@ -642,12 +646,13 @@ class ListenerThatExpectsFileAndPipe : public IPC::Listener {
     base::PickleIterator iter(message);
     HandleSendingHelper::ReadReceivedFile(message, &iter);
     HandleSendingHelper::ReadReceivedPipe(message, &iter);
-    base::MessageLoop::current()->QuitWhenIdle();
     ListenerThatExpectsOK::SendOK(sender_);
     return true;
   }
 
-  void OnChannelError() override { NOTREACHED(); }
+  void OnChannelError() override {
+    base::MessageLoop::current()->QuitWhenIdle();
+  }
 
   void set_sender(IPC::Sender* sender) { sender_ = sender; }