Remove current implementation of frame timing events.

cc/debug/frame_timing_tracker.cc

Index: cc/debug/frame_timing_tracker.cc
diff --git a/cc/debug/frame_timing_tracker.cc b/cc/debug/frame_timing_tracker.cc
deleted file mode 100644
index d0b9a9b0e8b87338f58720ad159cf95fdc838f54..0000000000000000000000000000000000000000
--- a/cc/debug/frame_timing_tracker.cc
+++ /dev/null
@@ -1,119 +0,0 @@
-// 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/debug/frame_timing_tracker.h"
-
-#include <stdint.h>
-
-#include <algorithm>
-#include <limits>
-
-#include "base/memory/ptr_util.h"
-#include "base/metrics/histogram.h"
-#include "cc/trees/layer_tree_host_impl.h"
-#include "cc/trees/proxy.h"
-
-namespace cc {
-namespace {
-int kSendTimingIntervalMS = 200;
-}
-
-FrameTimingTracker::CompositeTimingEvent::CompositeTimingEvent(
-    int _frame_id,
-    base::TimeTicks _timestamp)
-    : frame_id(_frame_id), timestamp(_timestamp) {
-}
-
-FrameTimingTracker::CompositeTimingEvent::~CompositeTimingEvent() {
-}
-
-FrameTimingTracker::MainFrameTimingEvent::MainFrameTimingEvent(
-    int frame_id,
-    base::TimeTicks timestamp,
-    base::TimeTicks end_time)
-    : frame_id(frame_id), timestamp(timestamp), end_time(end_time) {
-}
-
-FrameTimingTracker::MainFrameTimingEvent::~MainFrameTimingEvent() {
-}
-
-// static
-std::unique_ptr<FrameTimingTracker> FrameTimingTracker::Create(
-    LayerTreeHostImpl* layer_tree_host_impl) {
-  return base::WrapUnique(new FrameTimingTracker(layer_tree_host_impl));
-}
-
-FrameTimingTracker::FrameTimingTracker(LayerTreeHostImpl* layer_tree_host_impl)
-    : layer_tree_host_impl_(layer_tree_host_impl),
-      post_events_notifier_(
-          layer_tree_host_impl_->GetTaskRunner(),
-          base::Bind(&FrameTimingTracker::PostEvents, base::Unretained(this)),
-          base::TimeDelta::FromMilliseconds(kSendTimingIntervalMS)) {}
-
-FrameTimingTracker::~FrameTimingTracker() {
-}
-
-void FrameTimingTracker::SaveTimeStamps(
-    base::TimeTicks timestamp,
-    const std::vector<FrameAndRectIds>& frame_ids) {
-  if (!composite_events_)
-    composite_events_.reset(new CompositeTimingSet);
-  for (const auto& pair : frame_ids) {
-    (*composite_events_)[pair.second].push_back(
-        CompositeTimingEvent(pair.first, timestamp));
-  }
-  if (!post_events_notifier_.HasPendingNotification())
-    post_events_notifier_.Schedule();
-}
-
-void FrameTimingTracker::SaveMainFrameTimeStamps(
-    const std::vector<int64_t>& request_ids,
-    base::TimeTicks main_frame_time,
-    base::TimeTicks end_time,
-    int source_frame_number) {
-  if (!main_frame_events_)
-    main_frame_events_.reset(new MainFrameTimingSet);
-  for (const auto& request : request_ids) {
-    std::vector<MainFrameTimingEvent>& events = (*main_frame_events_)[request];
-    events.push_back(
-        MainFrameTimingEvent(source_frame_number, main_frame_time, end_time));
-  }
-  if (!post_events_notifier_.HasPendingNotification())
-    post_events_notifier_.Schedule();
-}
-
-std::unique_ptr<FrameTimingTracker::CompositeTimingSet>
-FrameTimingTracker::GroupCompositeCountsByRectId() {
-  if (!composite_events_)
-    return base::WrapUnique(new CompositeTimingSet);
-  for (auto& infos : *composite_events_) {
-    std::sort(
-        infos.second.begin(), infos.second.end(),
-        [](const CompositeTimingEvent& lhs, const CompositeTimingEvent& rhs) {
-          return lhs.timestamp < rhs.timestamp;
-        });
-  }
-  return std::move(composite_events_);
-}
-
-std::unique_ptr<FrameTimingTracker::MainFrameTimingSet>
-FrameTimingTracker::GroupMainFrameCountsByRectId() {
-  if (!main_frame_events_)
-    return base::WrapUnique(new MainFrameTimingSet);
-  for (auto& infos : *main_frame_events_) {
-    std::sort(
-        infos.second.begin(), infos.second.end(),
-        [](const MainFrameTimingEvent& lhs, const MainFrameTimingEvent& rhs) {
-          return lhs.timestamp < rhs.timestamp;
-        });
-  }
-  return std::move(main_frame_events_);
-}
-
-void FrameTimingTracker::PostEvents() {
-  layer_tree_host_impl_->PostFrameTimingEvents(GroupCompositeCountsByRectId(),
-                                               GroupMainFrameCountsByRectId());
-}
-
-}  // namespace cc