Mojo: Add/use |typedef std::vector<scoped_refptr<Dispatcher> > DispatcherVector.

mojo/system/core.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/core.h"
 
 #include <vector>
 
 #include "base/logging.h"
 #include "base/time/time.h"
@@ skipping 251 matching lines @@
     if (!VerifyUserPointer<uint32_t>(num_handles, 1))
       return MOJO_RESULT_INVALID_ARGUMENT;
     if (!VerifyUserPointer<MojoHandle>(handles, *num_handles))
       return MOJO_RESULT_INVALID_ARGUMENT;
   }
 
   // Easy case: won't receive any handles.
   if (!num_handles || *num_handles == 0)
     return dispatcher->ReadMessage(bytes, num_bytes, NULL, num_handles, flags);
 
-  std::vector<scoped_refptr<Dispatcher> > dispatchers;
+  DispatcherVector dispatchers;
   MojoResult rv = dispatcher->ReadMessage(bytes, num_bytes,
                                           &dispatchers, num_handles,
                                           flags);
   if (!dispatchers.empty()) {
     DCHECK_EQ(rv, MOJO_RESULT_OK);
     DCHECK(num_handles);
     DCHECK_LE(dispatchers.size(), static_cast<size_t>(*num_handles));
 
     bool success;
     {
@@ skipping 247 matching lines @@
 // Note: We allow |handles| to repeat the same handle multiple times, since
 // different flags may be specified.
 // TODO(vtl): This incurs a performance cost in |RemoveWaiter()|. Analyze this
 // more carefully and address it if necessary.
 MojoResult Core::WaitManyInternal(const MojoHandle* handles,
                                   const MojoWaitFlags* flags,
                                   uint32_t num_handles,
                                   MojoDeadline deadline) {
   DCHECK_GT(num_handles, 0u);
 
-  std::vector<scoped_refptr<Dispatcher> > dispatchers;
+  DispatcherVector dispatchers;
   dispatchers.reserve(num_handles);
   for (uint32_t i = 0; i < num_handles; i++) {
     scoped_refptr<Dispatcher> dispatcher = GetDispatcher(handles[i]);
     if (!dispatcher.get())
       return MOJO_RESULT_INVALID_ARGUMENT;
     dispatchers.push_back(dispatcher);
   }
 
   // TODO(vtl): Should make the waiter live (permanently) in TLS.
   Waiter waiter;
@@ skipping 19 matching lines @@
   // |Wait()|/|WaitMany()| call. (Only after doing this can |waiter| be
   // destroyed, but this would still be required if the waiter were in TLS.)
   for (i = 0; i < num_added; i++)
     dispatchers[i]->RemoveWaiter(&waiter);
 
   return rv;
 }
 
 }  // namespace system
 }  // namespace mojo