Move frame_sink_id management to framesink_manager.cc/h from

content/browser/compositor/gpu_process_transport_factory.cc

Index: content/browser/compositor/gpu_process_transport_factory.cc
diff --git a/content/browser/compositor/gpu_process_transport_factory.cc b/content/browser/compositor/gpu_process_transport_factory.cc
index 713812a1012a9e7a75bde89fbb3c362a4d9426a0..86ef71ff280d10b2dac2253270629d29a3206740 100644
--- a/content/browser/compositor/gpu_process_transport_factory.cc
+++ b/content/browser/compositor/gpu_process_transport_factory.cc
@@ -28,6 +28,7 @@
 #include "cc/surfaces/direct_compositor_frame_sink.h"
 #include "cc/surfaces/display.h"
 #include "cc/surfaces/display_scheduler.h"
+#include "cc/surfaces/framesink_manager.h"
 #include "cc/surfaces/surface_manager.h"
 #include "components/display_compositor/compositor_overlay_candidate_validator.h"
 #include "components/display_compositor/gl_helper.h"
@@ -180,6 +181,7 @@ GpuProcessTransportFactory::GpuProcessTransportFactory()
   cc::SetClientNameForMetrics("Browser");
 
   surface_manager_ = base::WrapUnique(new cc::SurfaceManager);
+  framesink_manager_ = base::WrapUnique(new cc::FrameSinkManager);
 
   task_graph_runner_->Start("CompositorTileWorker1",
                             base::SimpleThread::Options());
@@ -589,12 +591,12 @@ void GpuProcessTransportFactory::EstablishedGpuChannel(
       vulkan_context_provider
           ? base::MakeUnique<cc::DirectCompositorFrameSink>(
                 compositor->frame_sink_id(), surface_manager_.get(),
-                data->display.get(),
+                framesink_manager_.get(), data->display.get(),
                 static_cast<scoped_refptr<cc::VulkanContextProvider>>(
                     vulkan_context_provider))
           : base::MakeUnique<cc::DirectCompositorFrameSink>(
                 compositor->frame_sink_id(), surface_manager_.get(),
-                data->display.get(), context_provider,
+                framesink_manager_.get(), data->display.get(), context_provider,
                 shared_worker_context_provider_, GetGpuMemoryBufferManager(),
                 HostSharedBitmapManager::current());
   data->display->Resize(compositor->size());
@@ -786,6 +788,10 @@ cc::SurfaceManager* GpuProcessTransportFactory::GetSurfaceManager() {
   return surface_manager_.get();
 }
 
+cc::FrameSinkManager* GpuProcessTransportFactory::GetFrameSinkManager() {
+  return framesink_manager_.get();
+}
+
 display_compositor::GLHelper* GpuProcessTransportFactory::GetGLHelper() {
   if (!gl_helper_ && !per_compositor_data_.empty()) {
     scoped_refptr<cc::ContextProvider> provider =