cc: Add queue of BeginFrames to support long deadlines.

cc/scheduler/scheduler.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/scheduler.h"
 
 #include <algorithm>
 #include "base/auto_reset.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
@@ skipping 177 matching lines @@
     // We are ready to draw a new active tree immediately.
     PostBeginFrameDeadline(base::TimeTicks());
   } else if (state_machine_.needs_redraw()) {
     // We have an animation or fast input path on the impl thread that wants
     // to draw, so don't wait too long for a new active tree.
     PostBeginFrameDeadline(last_begin_frame_args_.deadline);
   } else {
     // The impl thread doesn't have anything it wants to draw and we are just
     // waiting for a new active tree, so post the deadline for the next
     // expected BeginFrame start.
-    PostBeginFrameDeadline(last_begin_frame_args_.frame_time +
-                           last_begin_frame_args_.interval);
+    //PostBeginFrameDeadline(last_begin_frame_args_.frame_time + last_begin_frame_args_.interval);
+    PostBeginFrameDeadline(last_begin_frame_args_.deadline);
   }
 }
 
 void Scheduler::PostBeginFrameDeadline(base::TimeTicks deadline) {
   begin_frame_deadline_closure_.Cancel();
   begin_frame_deadline_closure_.Reset(
       base::Bind(&Scheduler::OnBeginFrameDeadline, weak_factory_.GetWeakPtr()));
   client_->PostBeginFrameDeadline(
       begin_frame_deadline_closure_.callback(), deadline);
 }
@@ skipping 76 matching lines @@
   state_machine_.AdvanceBeginFrameStateWhenNoActionsRemain();
   SetupNextBeginFrameIfNeeded();
   client_->DidAnticipatedDrawTimeChange(AnticipatedDrawTime());
 }
 
 bool Scheduler::WillDrawIfNeeded() const {
   return !state_machine_.DrawSuspendedUntilCommit();
 }
 
 }  // namespace cc