cc: Create ProxyBeginFrameSource

cc/trees/single_thread_proxy.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/trees/single_thread_proxy.h"
 
 #include "base/auto_reset.h"
 #include "base/trace_event/trace_event.h"
 #include "cc/debug/benchmark_instrumentation.h"
 #include "cc/output/context_provider.h"
 #include "cc/output/output_surface.h"
 #include "cc/quads/draw_quad.h"
 #include "cc/resources/prioritized_resource_manager.h"
 #include "cc/resources/resource_update_controller.h"
 #include "cc/scheduler/commit_earlyout_reason.h"
 #include "cc/trees/layer_tree_host.h"
 #include "cc/trees/layer_tree_host_single_thread_client.h"
 #include "cc/trees/layer_tree_impl.h"
 #include "cc/trees/scoped_abort_remaining_swap_promises.h"
 #include "ui/gfx/frame_time.h"
 
 namespace cc {
 
 scoped_ptr<Proxy> SingleThreadProxy::Create(
     LayerTreeHost* layer_tree_host,
     LayerTreeHostSingleThreadClient* client,
     scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
-    scoped_ptr<BeginFrameSource> external_begin_frame_source) {
+    scoped_ptr<BeginFrameSource> external_begin_frame_source,
+    ProxyBeginFrameSource* proxy_begin_frame_source) {
   return make_scoped_ptr(new SingleThreadProxy(
                                  layer_tree_host,
                                  client,
                                  main_task_runner,
-                                 external_begin_frame_source.Pass()));
+                                 external_begin_frame_source.Pass(),
+                                 proxy_begin_frame_source));
 }
 
 SingleThreadProxy::SingleThreadProxy(
     LayerTreeHost* layer_tree_host,
     LayerTreeHostSingleThreadClient* client,
     scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
-    scoped_ptr<BeginFrameSource> external_begin_frame_source)
+    scoped_ptr<BeginFrameSource> external_begin_frame_source,
+    ProxyBeginFrameSource* proxy_begin_frame_source)
     : Proxy(main_task_runner, NULL),
       layer_tree_host_(layer_tree_host),
       client_(client),
       timing_history_(layer_tree_host->rendering_stats_instrumentation()),
       next_frame_is_newly_committed_frame_(false),
       inside_draw_(false),
       defer_commits_(false),
       commit_was_deferred_(false),
       commit_requested_(false),
       inside_synchronous_composite_(false),
       output_surface_creation_requested_(false),
       external_begin_frame_source_(external_begin_frame_source.Pass()),
+      proxy_begin_frame_source_(proxy_begin_frame_source),
       weak_factory_(this) {
   TRACE_EVENT0("cc", "SingleThreadProxy::SingleThreadProxy");
   DCHECK(Proxy::IsMainThread());
   DCHECK(layer_tree_host);
 }
 
 void SingleThreadProxy::Start() {
   DebugScopedSetImplThread impl(this);
   layer_tree_host_impl_ = layer_tree_host_->CreateLayerTreeHostImpl(this);
 }
@@ skipping 28 matching lines @@
   if (layer_tree_host_->settings().single_thread_proxy_scheduler &&
       !scheduler_on_impl_thread_) {
     SchedulerSettings scheduler_settings(layer_tree_host_->settings());
     scheduler_settings.main_thread_should_always_be_low_latency = true;
     scheduler_on_impl_thread_ =
         Scheduler::Create(this,
                           scheduler_settings,
                           layer_tree_host_->id(),
                           MainThreadTaskRunner(),
                           base::PowerMonitor::Get(),
-                          external_begin_frame_source_.Pass());
+                          external_begin_frame_source_.Pass(),
+                          proxy_begin_frame_source_);
     scheduler_on_impl_thread_->SetCanStart();
     scheduler_on_impl_thread_->SetVisible(layer_tree_host_impl_->visible());
   }
 }
 
 void SingleThreadProxy::SetVisible(bool visible) {
   TRACE_EVENT1("cc", "SingleThreadProxy::SetVisible", "visible", visible);
   DebugScopedSetImplThread impl(this);
   layer_tree_host_impl_->SetVisible(visible);
   if (scheduler_on_impl_thread_)
@@ skipping 530 matching lines @@
     DebugScopedSetMainThread main(this);
     next_frame_is_newly_committed_frame_ = false;
     layer_tree_host_->DidCommitAndDrawFrame();
   }
 }
 
 bool SingleThreadProxy::MainFrameWillHappenForTesting() {
   return false;
 }
 
-void SingleThreadProxy::SetChildrenNeedBeginFrames(
-    bool children_need_begin_frames) {
-  scheduler_on_impl_thread_->SetChildrenNeedBeginFrames(
-      children_need_begin_frames);
-}
-
 void SingleThreadProxy::WillBeginImplFrame(const BeginFrameArgs& args) {
   layer_tree_host_impl_->WillBeginImplFrame(args);
 }
 
 void SingleThreadProxy::ScheduledActionSendBeginMainFrame() {
   TRACE_EVENT0("cc", "SingleThreadProxy::ScheduledActionSendBeginMainFrame");
   // Although this proxy is single-threaded, it's problematic to synchronously
   // have BeginMainFrame happen after ScheduledActionSendBeginMainFrame.  This
   // could cause a commit to occur in between a series of SetNeedsCommit calls
   // (i.e. property modifications) causing some to fall on one frame and some to
@@ skipping 141 matching lines @@
 }
 
 base::TimeDelta SingleThreadProxy::CommitToActivateDurationEstimate() {
   return timing_history_.CommitToActivateDurationEstimate();
 }
 
 void SingleThreadProxy::DidBeginImplFrameDeadline() {
   layer_tree_host_impl_->ResetCurrentBeginFrameArgsForNextFrame();
 }
 
-void SingleThreadProxy::SendBeginFramesToChildren(const BeginFrameArgs& args) {
-  layer_tree_host_->SendBeginFramesToChildren(args);
-}
-
 }  // namespace cc