Deliver IPC messages together with SwapCompositorFrame

cc/base/latency_info_swap_promise.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 "cc/base/latency_info_swap_promise.h"
 
 #include "base/logging.h"
 
 namespace {
   ui::LatencyComponentType DidNotSwapReasonToLatencyComponentType(
       cc::SwapPromise::DidNotSwapReason reason) {
     switch (reason) {
       case cc::SwapPromise::DID_NOT_SWAP_UNKNOWN:
       case cc::SwapPromise::SWAP_FAILS:
         return ui::INPUT_EVENT_LATENCY_TERMINATED_SWAP_FAILED_COMPONENT;
       case cc::SwapPromise::COMMIT_FAILS:
         return ui::INPUT_EVENT_LATENCY_TERMINATED_COMMIT_FAILED_COMPONENT;
-      case cc::SwapPromise::SWAP_PROMISE_LIST_OVERFLOW:
-        return ui::LATENCY_INFO_LIST_TERMINATED_OVERFLOW_COMPONENT;
     }
     NOTREACHED() << "Unhandled DidNotSwapReason.";
     return ui::INPUT_EVENT_LATENCY_TERMINATED_SWAP_FAILED_COMPONENT;
   }
 }  // namespace
 
 namespace cc {
 
 LatencyInfoSwapPromise::LatencyInfoSwapPromise(const ui::LatencyInfo& latency)
     : latency_(latency) {
 }
 
 LatencyInfoSwapPromise::~LatencyInfoSwapPromise() {
 }
 
 void LatencyInfoSwapPromise::DidSwap(CompositorFrameMetadata* metadata) {
   DCHECK(!latency_.terminated);
   metadata->latency_info.push_back(latency_);
 }
 
 void LatencyInfoSwapPromise::DidNotSwap(DidNotSwapReason reason) {
   latency_.AddLatencyNumber(DidNotSwapReasonToLatencyComponentType(reason),
                             0, 0);
   // TODO(miletus): Turn this back on once per-event LatencyInfo tracking
   // is enabled in GPU side.
   // DCHECK(latency_.terminated);
 }
 
 }  // namespace cc