cc: Fix overwriting of commit completion event in MFBA mode.

cc/test/proxy_impl_for_test.cc

 // Copyright 2015 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 "cc/test/proxy_impl_for_test.h"
 
 #include "base/memory/ptr_util.h"
 
 namespace cc {
 std::unique_ptr<ProxyImplForTest> ProxyImplForTest::Create(
     TestHooks* test_hooks,
     ChannelImpl* channel_impl,
     LayerTreeHost* layer_tree_host,
     TaskRunnerProvider* task_runner_provider,
     std::unique_ptr<BeginFrameSource> external_begin_frame_source) {
   return base::WrapUnique(new ProxyImplForTest(
       test_hooks, channel_impl, layer_tree_host, task_runner_provider,
       std::move(external_begin_frame_source)));
 }
 
-bool ProxyImplForTest::HasCommitCompletionEvent() const {
-  return commit_completion_event_ != nullptr;
-}
-
-bool ProxyImplForTest::GetNextCommitWaitsForActivation() const {
-  return next_commit_waits_for_activation_;
-}
-
 ProxyImplForTest::ProxyImplForTest(
     TestHooks* test_hooks,
     ChannelImpl* channel_impl,
     LayerTreeHost* layer_tree_host,
     TaskRunnerProvider* task_runner_provider,
     std::unique_ptr<BeginFrameSource> external_begin_frame_source)
     : ProxyImpl(channel_impl,
                 layer_tree_host,
                 task_runner_provider,
                 std::move(external_begin_frame_source)),
@@ skipping 112 matching lines @@
                                          LayerTreeHost* layer_tree_host,
                                          base::TimeTicks main_thread_start_time,
                                          bool hold_commit_for_activation) {
   test_hooks_->StartCommitOnImpl();
   ProxyImpl::StartCommitOnImpl(completion, layer_tree_host,
                                main_thread_start_time,
                                hold_commit_for_activation);
 }
 
 }  // namespace cc