Unified BeginFrame scheduling

cc/scheduler/scheduler_unittest.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 <string>
 #include <vector>
 
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
@@ skipping 210 matching lines @@
   }
   virtual base::TimeDelta BeginMainFrameToCommitDurationEstimate() OVERRIDE {
     return base::TimeDelta();
   }
   virtual base::TimeDelta CommitToActivateDurationEstimate() OVERRIDE {
     return base::TimeDelta();
   }
 
   virtual void DidBeginImplFrameDeadline() OVERRIDE {}
 
+  virtual void SendBeginFrameToChildren(const BeginFrameArgs& args) OVERRIDE {}
+
  protected:
   bool needs_begin_frame_;
   bool draw_will_happen_;
   bool swap_will_happen_if_draw_happens_;
   bool automatic_swap_ack_;
   int num_draws_;
   bool log_anticipated_draw_time_change_;
   bool swap_contains_incomplete_tile_;
   bool redraw_will_happen_if_update_visible_tiles_happens_;
   base::TimeTicks posted_begin_impl_frame_deadline_;
   std::vector<const char*> actions_;
   std::vector<scoped_refptr<base::debug::ConvertableToTraceFormat> > states_;
   scoped_ptr<TestScheduler> scheduler_;
   scoped_refptr<OrderedSimpleTaskRunner> task_runner_;
 };
 
 void InitializeOutputSurfaceAndFirstCommit(Scheduler* scheduler,
                                            FakeSchedulerClient* client) {
   bool client_initiates_begin_frame =
-      scheduler->settings().begin_frame_scheduling_enabled &&
+      //      scheduler->settings().begin_frame_scheduling_enabled &&
       scheduler->settings().throttle_frame_production;
 
   scheduler->DidCreateAndInitializeOutputSurface();
   scheduler->SetNeedsCommit();
   scheduler->NotifyBeginMainFrameStarted();
   scheduler->NotifyReadyToCommit();
   if (scheduler->settings().impl_side_painting)
     scheduler->NotifyReadyToActivate();
   // Go through the motions to draw the commit.
   if (client_initiates_begin_frame)
@@ skipping 1089 matching lines @@
   EXPECT_ACTION("ScheduledActionDrawAndSwapIfPossible", client, 1, 2);
   EXPECT_FALSE(scheduler->BeginImplFrameDeadlinePending());
   EXPECT_TRUE(client.needs_begin_frame());
   client.Reset();
 }
 
 void BeginFramesNotFromClient(bool begin_frame_scheduling_enabled,
                               bool throttle_frame_production) {
   FakeSchedulerClient client;
   SchedulerSettings scheduler_settings;
-  scheduler_settings.begin_frame_scheduling_enabled =
-      begin_frame_scheduling_enabled;
+  // scheduler_settings.begin_frame_scheduling_enabled =
+  //    begin_frame_scheduling_enabled;
   scheduler_settings.throttle_frame_production = throttle_frame_production;
   TestScheduler* scheduler = client.CreateScheduler(scheduler_settings);
   scheduler->SetCanStart();
   scheduler->SetVisible(true);
   scheduler->SetCanDraw(true);
   InitializeOutputSurfaceAndFirstCommit(scheduler, &client);
 
   // SetNeedsCommit should begin the frame on the next BeginImplFrame
   // without calling SetNeedsBeginFrame.
   client.Reset();
@@ skipping 75 matching lines @@
   bool begin_frame_scheduling_enabled = false;
   bool throttle_frame_production = false;
   BeginFramesNotFromClient(begin_frame_scheduling_enabled,
                            throttle_frame_production);
 }
 
 void BeginFramesNotFromClient_SwapThrottled(bool begin_frame_scheduling_enabled,
                                             bool throttle_frame_production) {
   FakeSchedulerClient client;
   SchedulerSettings scheduler_settings;
-  scheduler_settings.begin_frame_scheduling_enabled =
-      begin_frame_scheduling_enabled;
+  // scheduler_settings.begin_frame_scheduling_enabled =
+  //    begin_frame_scheduling_enabled;
   scheduler_settings.throttle_frame_production = throttle_frame_production;
   TestScheduler* scheduler = client.CreateScheduler(scheduler_settings);
   scheduler->SetCanStart();
   scheduler->SetVisible(true);
   scheduler->SetCanDraw(true);
   InitializeOutputSurfaceAndFirstCommit(scheduler, &client);
 
   // To test swap ack throttling, this test disables automatic swap acks.
   scheduler->SetMaxSwapsPending(1);
   client.SetAutomaticSwapAck(false);
@@ skipping 408 matching lines @@
   client.task_runner().RunPendingTasks();
   EXPECT_NO_ACTION(client);
 }
 
 // See: http://crbug.com/380889
 TEST(
     SchedulerTest,
     DISABLED_StopBeginFrameAfterDidLoseOutputSurfaceWithSyntheticBeginFrameSource) {
   FakeSchedulerClient client;
   SchedulerSettings scheduler_settings;
-  scheduler_settings.begin_frame_scheduling_enabled = false;
+  // scheduler_settings.begin_frame_scheduling_enabled = false;
   TestScheduler* scheduler = client.CreateScheduler(scheduler_settings);
   scheduler->SetCanStart();
   scheduler->SetVisible(true);
   scheduler->SetCanDraw(true);
   InitializeOutputSurfaceAndFirstCommit(scheduler, &client);
 
   // SetNeedsCommit should begin the frame on the next BeginImplFrame.
   client.Reset();
   EXPECT_FALSE(scheduler->IsSyntheticBeginFrameSourceActive());
   scheduler->SetNeedsCommit();
@@ skipping 19 matching lines @@
   EXPECT_FALSE(scheduler->IsSyntheticBeginFrameSourceActive());
 
   client.Reset();
   client.task_runner().RunPendingTasks();  // Run posted deadline.
   EXPECT_SINGLE_ACTION("ScheduledActionBeginOutputSurfaceCreation", client);
   EXPECT_FALSE(scheduler->IsSyntheticBeginFrameSourceActive());
 }
 
 }  // namespace
 }  // namespace cc