Remove external begin frame source parameter and settings

cc/trees/remote_channel_impl.cc

 // Copyright 2016 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/remote_channel_impl.h"
 
 #include "base/bind_helpers.h"
 #include "base/memory/ptr_util.h"
 #include "base/single_thread_task_runner.h"
 #include "cc/animation/animation_events.h"
@@ skipping 21 matching lines @@
 RemoteChannelImpl::~RemoteChannelImpl() {
   DCHECK(task_runner_provider_->IsMainThread());
   DCHECK(!main().started);
 
   main().remote_proto_channel->SetProtoReceiver(nullptr);
 }
 
 std::unique_ptr<ProxyImpl> RemoteChannelImpl::CreateProxyImpl(
     ChannelImpl* channel_impl,
     LayerTreeHostInProcess* layer_tree_host,
-    TaskRunnerProvider* task_runner_provider,
-    std::unique_ptr<BeginFrameSource> external_begin_frame_source) {
+    TaskRunnerProvider* task_runner_provider) {
   DCHECK(task_runner_provider_->IsImplThread());
-  DCHECK(!external_begin_frame_source);
   return base::MakeUnique<ProxyImpl>(channel_impl, layer_tree_host,
-                                     task_runner_provider,
-                                     std::move(external_begin_frame_source));
+                                     task_runner_provider);
 }
 
 void RemoteChannelImpl::OnProtoReceived(
     std::unique_ptr<proto::CompositorMessage> proto) {
   DCHECK(task_runner_provider_->IsMainThread());
   DCHECK(main().started);
   DCHECK(proto->has_to_impl());
 
   // If we don't have an CompositorFrameSink, queue the message and defer
   // processing it till we initialize a new CompositorFrameSink.
@@ skipping 163 matching lines @@
 bool RemoteChannelImpl::CommitRequested() const {
   NOTREACHED() << "Should not be called on the remote client LayerTreeHost";
   return false;
 }
 
 bool RemoteChannelImpl::BeginMainFrameRequested() const {
   NOTREACHED() << "Should not be called on the remote client LayerTreeHost";
   return false;
 }
 
-void RemoteChannelImpl::Start(
-    std::unique_ptr<BeginFrameSource> external_begin_frame_source) {
+void RemoteChannelImpl::Start() {
   DCHECK(task_runner_provider_->IsMainThread());
   DCHECK(!main().started);
-  DCHECK(!external_begin_frame_source);
 
   CompletionEvent completion;
   {
     DebugScopedSetMainThreadBlocked main_thread_blocked(task_runner_provider_);
     ImplThreadTaskRunner()->PostTask(
         FROM_HERE, base::Bind(&RemoteChannelImpl::InitializeImplOnImpl,
                               base::Unretained(this), &completion,
                               main().layer_tree_host));
     completion.Wait();
   }
@@ skipping 194 matching lines @@
                             proxy_impl_weak_ptr_, damaged_rect));
 }
 
 void RemoteChannelImpl::InitializeImplOnImpl(
     CompletionEvent* completion,
     LayerTreeHostInProcess* layer_tree_host) {
   DCHECK(task_runner_provider_->IsMainThreadBlocked());
   DCHECK(task_runner_provider_->IsImplThread());
 
   impl().proxy_impl =
-      CreateProxyImpl(this, layer_tree_host, task_runner_provider_, nullptr);
+      CreateProxyImpl(this, layer_tree_host, task_runner_provider_);
   impl().proxy_impl_weak_factory =
       base::MakeUnique<base::WeakPtrFactory<ProxyImpl>>(
           impl().proxy_impl.get());
   proxy_impl_weak_ptr_ = impl().proxy_impl_weak_factory->GetWeakPtr();
   completion->Signal();
 }
 
 void RemoteChannelImpl::ShutdownImplOnImpl(CompletionEvent* completion) {
   DCHECK(task_runner_provider_->IsMainThreadBlocked());
   DCHECK(task_runner_provider_->IsImplThread());
@@ skipping 52 matching lines @@
 
 RemoteChannelImpl::CompositorThreadOnly::CompositorThreadOnly(
     base::WeakPtr<RemoteChannelImpl> remote_channel_weak_ptr)
     : proxy_impl(nullptr),
       proxy_impl_weak_factory(nullptr),
       remote_channel_weak_ptr(remote_channel_weak_ptr) {}
 
 RemoteChannelImpl::CompositorThreadOnly::~CompositorThreadOnly() {}
 
 }  // namespace cc