Mojo: Add Dispatcher::{DuplicateBufferHandle,MapBuffer} methods.

mojo/system/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.
 
 #include "mojo/system/dispatcher.h"
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_vector.h"
 #include "base/synchronization/waitable_event.h"
@@ skipping 86 matching lines @@
   enum DispatcherOp {
     CLOSE = 0,
     WRITE_MESSAGE,
     READ_MESSAGE,
     WRITE_DATA,
     BEGIN_WRITE_DATA,
     END_WRITE_DATA,
     READ_DATA,
     BEGIN_READ_DATA,
     END_READ_DATA,
+    DUPLICATE_BUFFER_HANDLE,
+    MAP_BUFFER,
     ADD_WAITER,
     REMOVE_WAITER,
 
     DISPATCHER_OP_COUNT
   };
 
   ThreadSafetyStressThread(base::WaitableEvent* event,
                            scoped_refptr<Dispatcher> dispatcher,
                            DispatcherOp op)
       : base::SimpleThread("thread_safety_stress_thread"),
@@ skipping 50 matching lines @@
         break;
       case BEGIN_READ_DATA:
         EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
                   dispatcher_->BeginReadData(NULL, NULL,
                                              MOJO_READ_DATA_FLAG_NONE));
         break;
       case END_READ_DATA:
         EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
                   dispatcher_->EndReadData(0));
         break;
+      case DUPLICATE_BUFFER_HANDLE: {
+        scoped_refptr<Dispatcher> unused;
+        EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
+                  dispatcher_->DuplicateBufferHandle(NULL, &unused));
+        break;
+      }
+      case MAP_BUFFER:
+        EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
+                  dispatcher_->MapBuffer(0u, 0u, NULL,
+                                         MOJO_MAP_BUFFER_FLAG_NONE));
+        break;
       case ADD_WAITER: {
         MojoResult r = dispatcher_->AddWaiter(&waiter_,
                                               MOJO_WAIT_FLAG_EVERYTHING, 0);
         EXPECT_TRUE(r == MOJO_RESULT_FAILED_PRECONDITION ||
                     r == MOJO_RESULT_INVALID_ARGUMENT);
         break;
       }
       case REMOVE_WAITER:
         dispatcher_->RemoveWaiter(&waiter_);
         break;
@@ skipping 62 matching lines @@
       event.Signal();  // Kicks off real work on the threads.
     }  // Joins all the threads.
 
     EXPECT_EQ(MOJO_RESULT_OK, d->Close());
   }
 }
 
 }  // namespace
 }  // namespace system
 }  // namespace mojo