Mojo: Implement local passing of MessagePipes.

mojo/system/simple_dispatcher_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // NOTE(vtl): Some of these tests are inherently flaky (e.g., if run on a
 // heavily-loaded system). Sorry. |kEpsilonMicros| may be increased to increase
 // tolerance and reduce observed flakiness.
 
 #include "mojo/system/simple_dispatcher.h"
 
@@ skipping 43 matching lines @@
       return;
 
     satisfiable_flags_ = new_satisfiable_flags;
     StateChangedNoLock();
   }
 
  private:
   friend class base::RefCountedThreadSafe<MockSimpleDispatcher>;
   virtual ~MockSimpleDispatcher() {}
 
+  virtual scoped_refptr<Dispatcher>
+      CreateEquivalentDispatcherAndCloseImplNoLock() OVERRIDE {
+    scoped_refptr<MockSimpleDispatcher> rv(new MockSimpleDispatcher());
+    rv->satisfied_flags_ = satisfied_flags_;
+    rv->satisfiable_flags_ = satisfiable_flags_;
+    return scoped_refptr<Dispatcher>(rv.get());
+  }
+
   // |SimpleDispatcher| implementation:
   virtual MojoWaitFlags SatisfiedFlagsNoLock() const OVERRIDE {
     lock().AssertAcquired();
     return satisfied_flags_;
   }
 
   virtual MojoWaitFlags SatisfiableFlagsNoLock() const OVERRIDE {
     lock().AssertAcquired();
     return satisfiable_flags_;
   }
@@ skipping 431 matching lines @@
     EXPECT_TRUE(did_wait[i]);
     EXPECT_EQ(MOJO_RESULT_DEADLINE_EXCEEDED, result[i]);
   }
 }
 
 // TODO(vtl): Stress test?
 
 }  // namespace
 }  // namespace system
 }  // namespace mojo