cc: Add queue of BeginFrames to support long deadlines.

cc/scheduler/frame_rate_controller.cc

 // Copyright 2011 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/scheduler/frame_rate_controller.h"
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/location.h"
 #include "base/logging.h"
@@ skipping 57 matching lines @@
 
 BeginFrameArgs FrameRateController::SetActive(bool active) {
   if (active_ == active)
     return BeginFrameArgs();
   TRACE_EVENT1("cc", "FrameRateController::SetActive", "active", active);
   active_ = active;
 
   if (is_time_source_throttling_) {
     base::TimeTicks missed_tick_time = time_source_->SetActive(active);
     if (!missed_tick_time.is_null()) {
-      base::TimeTicks deadline = NextTickTime();
+      base::TimeTicks deadline = NextTickTime() + interval_;
       BeginFrameArgs args =
           BeginFrameArgs::Create(missed_tick_time, deadline, interval_);
       args.AdjustDeadline(deadline_adjustment_);
       return args;
     }
   } else {
     if (active)
       PostManualTick();
     else
       weak_factory_.InvalidateWeakPtrs();
@@ skipping 24 matching lines @@
   DCHECK(active_);
 
   // Check if we have too many frames in flight.
   bool throttled =
       max_swaps_pending_ && num_frames_pending_ >= max_swaps_pending_;
   TRACE_COUNTER_ID1("cc", "ThrottledCompositor", task_runner_, throttled);
 
   if (client_) {
     // TODO(brianderson): Use an adaptive parent compositor deadline.
     base::TimeTicks frame_time = LastTickTime();
-    base::TimeTicks deadline = NextTickTime();
+    base::TimeTicks deadline = NextTickTime() + interval_;
     BeginFrameArgs args =
         BeginFrameArgs::Create(frame_time, deadline, interval_);
     args.AdjustDeadline(deadline_adjustment_);
     client_->FrameRateControllerTick(throttled, args);
   }
 
   if (!is_time_source_throttling_ && !throttled)
     PostManualTick();
 }
 
@@ skipping 32 matching lines @@
 }
 
 base::TimeTicks FrameRateController::LastTickTime() {
   if (is_time_source_throttling_)
     return time_source_->LastTickTime();
 
   return base::TimeTicks::Now();
 }
 
 }  // namespace cc