Let IPC::SyncMessageFilter take advantage of thread-safe Send.

content/renderer/gpu/queue_message_swap_promise_unittest.cc

 // Copyright 2014 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 "content/renderer/gpu/queue_message_swap_promise.h"
 
 #include <vector>
 
 #include "base/memory/scoped_vector.h"
 #include "cc/output/swap_promise.h"
@@ skipping 13 matching lines @@
   using RenderWidget::QueueMessageImpl;
 
  private:
   ~TestRenderWidget() override {}
 
   DISALLOW_COPY_AND_ASSIGN(TestRenderWidget);
 };
 
 class TestSyncMessageFilter : public IPC::SyncMessageFilter {
  public:
-  TestSyncMessageFilter() : IPC::SyncMessageFilter(NULL) {}
+  TestSyncMessageFilter() : IPC::SyncMessageFilter(NULL, false) {}
 
   bool Send(IPC::Message* message) override {
     messages_.push_back(message);
     return true;
   }
 
   ScopedVector<IPC::Message>& messages() { return messages_; }
 
  private:
   ~TestSyncMessageFilter() override {}
@@ skipping 269 matching lines @@
 TEST_F(QueueMessageSwapPromiseTest, VisualStateSwapPromiseDidNotSwapSwapFails) {
   VisualStateSwapPromiseDidNotSwap(cc::SwapPromise::SWAP_FAILS);
 }
 
 TEST_F(QueueMessageSwapPromiseTest,
        VisualStateSwapPromiseDidNotSwapActivationFails) {
   VisualStateSwapPromiseDidNotSwap(cc::SwapPromise::ACTIVATION_FAILS);
 }
 
 }  // namespace content