cc: Add SwapPromiseManager and SurfaceSequenceGenerator.

cc/trees/proxy_main.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/trees/proxy_main.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/trace_event/trace_event.h"
@@ skipping 127 matching lines @@
     std::vector<std::unique_ptr<SwapPromise>> empty_swap_promises;
     channel_main_->BeginMainFrameAbortedOnImpl(
         CommitEarlyOutReason::ABORTED_DEFERRED_COMMIT,
         begin_main_frame_start_time, std::move(empty_swap_promises));
     return;
   }
 
   // If the commit finishes, LayerTreeHost will transfer its swap promises to
   // LayerTreeImpl. The destructor of ScopedSwapPromiseChecker aborts the
   // remaining swap promises.
-  ScopedAbortRemainingSwapPromises swap_promise_checker(layer_tree_host_);
+  ScopedAbortRemainingSwapPromises swap_promise_checker(
+      layer_tree_host_->GetSwapPromiseManager());
 
   final_pipeline_stage_ = max_requested_pipeline_stage_;
   max_requested_pipeline_stage_ = NO_PIPELINE_STAGE;
 
   if (!layer_tree_host_->IsVisible()) {
     TRACE_EVENT_INSTANT0("cc", "EarlyOut_NotVisible", TRACE_EVENT_SCOPE_THREAD);
     std::vector<std::unique_ptr<SwapPromise>> empty_swap_promises;
     channel_main_->BeginMainFrameAbortedOnImpl(
         CommitEarlyOutReason::ABORTED_NOT_VISIBLE, begin_main_frame_start_time,
         std::move(empty_swap_promises));
@@ skipping 34 matching lines @@
 
   layer_tree_host_->WillCommit();
   devtools_instrumentation::ScopedCommitTrace commit_task(
       layer_tree_host_->GetId());
 
   current_pipeline_stage_ = COMMIT_PIPELINE_STAGE;
   if (!updated && can_cancel_this_commit) {
     TRACE_EVENT_INSTANT0("cc", "EarlyOut_NoUpdates", TRACE_EVENT_SCOPE_THREAD);
     channel_main_->BeginMainFrameAbortedOnImpl(
         CommitEarlyOutReason::FINISHED_NO_UPDATES, begin_main_frame_start_time,
-        layer_tree_host_->TakeSwapPromises());
+        layer_tree_host_->GetSwapPromiseManager()->TakeSwapPromises());
 
     // Although the commit is internally aborted, this is because it has been
     // detected to be a no-op.  From the perspective of an embedder, this commit
     // went through, and input should no longer be throttled, etc.
     current_pipeline_stage_ = NO_PIPELINE_STAGE;
     layer_tree_host_->CommitComplete();
     layer_tree_host_->DidBeginMainFrame();
     return;
   }
 
@@ skipping 206 matching lines @@
     return false;
   channel_main_->SetNeedsCommitOnImpl();
   return true;
 }
 
 bool ProxyMain::IsMainThread() const {
   return task_runner_provider_->IsMainThread();
 }
 
 }  // namespace cc