Remove external begin frame source parameter and settings

cc/trees/threaded_channel.cc

 // Copyright 2015 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/threaded_channel.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/memory/ptr_util.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 130 matching lines @@
     bool hold_commit_for_activation) {
   DCHECK(IsMainThread());
   ImplThreadTaskRunner()->PostTask(
       FROM_HERE,
       base::Bind(&ProxyImpl::NotifyReadyToCommitOnImpl, proxy_impl_weak_ptr_,
                  completion, layer_tree_host, main_thread_start_time,
                  hold_commit_for_activation));
 }
 
 void ThreadedChannel::SynchronouslyInitializeImpl(
-    LayerTreeHostInProcess* layer_tree_host,
-    std::unique_ptr<BeginFrameSource> external_begin_frame_source) {
+    LayerTreeHostInProcess* layer_tree_host) {
   TRACE_EVENT0("cc", "ThreadChannel::SynchronouslyInitializeImpl");
   DCHECK(IsMainThread());
   {
     DebugScopedSetMainThreadBlocked main_thread_blocked(task_runner_provider_);
     CompletionEvent completion;
     ImplThreadTaskRunner()->PostTask(
         FROM_HERE,
         base::Bind(&ThreadedChannel::InitializeImplOnImpl,
-                   base::Unretained(this), &completion, layer_tree_host,
-                   base::Passed(&external_begin_frame_source)));
+                   base::Unretained(this), &completion, layer_tree_host));
     completion.Wait();
   }
   main().initialized = true;
 }
 
 void ThreadedChannel::SynchronouslyCloseImpl() {
   TRACE_EVENT0("cc", "ThreadChannel::~SynchronouslyCloseImpl");
   DCHECK(IsMainThread());
 
   // Synchronously finishes pending GL operations and deletes the impl.
@@ skipping 82 matching lines @@
   DCHECK(IsImplThread());
   MainThreadTaskRunner()->PostTask(
       FROM_HERE,
       base::Bind(&ProxyMain::BeginMainFrame, impl().proxy_main_weak_ptr,
                  base::Passed(&begin_main_frame_state)));
 }
 
 std::unique_ptr<ProxyImpl> ThreadedChannel::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(IsImplThread());
   return base::MakeUnique<ProxyImpl>(channel_impl, layer_tree_host,
-                                     task_runner_provider,
-                                     std::move(external_begin_frame_source));
+                                     task_runner_provider);
 }
 
 void ThreadedChannel::InitializeImplOnImpl(
     CompletionEvent* completion,
-    LayerTreeHostInProcess* layer_tree_host,
-    std::unique_ptr<BeginFrameSource> external_begin_frame_source) {
+    LayerTreeHostInProcess* layer_tree_host) {
   DCHECK(IsImplThread());
   impl().proxy_impl =
-      CreateProxyImpl(this, layer_tree_host, task_runner_provider_,
-                      std::move(external_begin_frame_source));
+      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 ThreadedChannel::CloseImplOnImpl(CompletionEvent* completion) {
   DCHECK(IsImplThread());
 
@@ skipping 50 matching lines @@
 
 ThreadedChannel::MainThreadOnly::~MainThreadOnly() {}
 
 ThreadedChannel::CompositorThreadOnly::CompositorThreadOnly(
     base::WeakPtr<ProxyMain> proxy_main_weak_ptr)
     : proxy_main_weak_ptr(proxy_main_weak_ptr) {}
 
 ThreadedChannel::CompositorThreadOnly::~CompositorThreadOnly() {}
 
 }  // namespace cc