Mojo: Have |ProxyMessagePipeEndpoint|s constructed with a |ChannelEndpoint|.

mojo/system/message_pipe_test_utils.h

Index: mojo/system/message_pipe_test_utils.h
diff --git a/mojo/system/message_pipe_test_utils.h b/mojo/system/message_pipe_test_utils.h
index 4db7bdca5674b8ce8e8a285b37c2c0dfd3d1271c..1d1f861b5e54b03666e80ba25c28d8efbdedba6b 100644
--- a/mojo/system/message_pipe_test_utils.h
+++ b/mojo/system/message_pipe_test_utils.h
@@ -9,11 +9,15 @@
 #include "mojo/common/test/multiprocess_test_helper.h"
 #include "mojo/embedder/simple_platform_support.h"
 #include "mojo/system/channel.h"
-#include "mojo/system/message_pipe.h"
 #include "mojo/system/test_utils.h"
 
 namespace mojo {
 namespace system {
+
+class Channel;
+class ChannelEndpoint;
+class MessagePipe;
+
 namespace test {
 
 MojoResult WaitIfNecessary(scoped_refptr<MessagePipe> mp,
@@ -26,12 +30,12 @@ class ChannelThread {
   ~ChannelThread();
 
   void Start(embedder::ScopedPlatformHandle platform_handle,
-             scoped_refptr<MessagePipe> message_pipe);
+             scoped_refptr<ChannelEndpoint> channel_endpoint);
   void Stop();
 
  private:
   void InitChannelOnIOThread(embedder::ScopedPlatformHandle platform_handle,
-                             scoped_refptr<MessagePipe> message_pipe);
+                             scoped_refptr<ChannelEndpoint> channel_endpoint);
   void ShutdownChannelOnIOThread();
 
   embedder::PlatformSupport* const platform_support_;
@@ -48,7 +52,7 @@ class MultiprocessMessagePipeTestBase : public testing::Test {
   virtual ~MultiprocessMessagePipeTestBase();
 
  protected:
-  void Init(scoped_refptr<MessagePipe> mp);
+  void Init(scoped_refptr<ChannelEndpoint> ep);
 
   embedder::PlatformSupport* platform_support() { return &platform_support_; }
   mojo::test::MultiprocessTestHelper* helper() { return &helper_; }