Remove SurfaceFactory::Create and SurfaceFactory::Destroy

content/browser/renderer_host/delegated_frame_host.cc

 // Copyright 2014 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 "content/browser/renderer_host/delegated_frame_host.h"
 
 #include <algorithm>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 378 matching lines @@
         subscriber_texture->target()));
   }
 
   if (local_frame_id_.is_valid()) {
     // To avoid unnecessary composites, go directly to the Surface rather than
     // through RequestCopyOfOutput (which goes through the browser
     // compositor).
     if (!request_copy_of_output_callback_for_testing_.is_null())
       request_copy_of_output_callback_for_testing_.Run(std::move(request));
     else
-      surface_factory_->RequestCopyOfSurface(local_frame_id_,
-                                             std::move(request));
+      surface_factory_->RequestCopyOfSurface(std::move(request));
   } else {
     request->set_area(gfx::Rect(current_frame_size_in_dip_));
     RequestCopyOfOutput(std::move(request));
   }
 }
 
 void DelegatedFrameHost::SwapDelegatedFrame(uint32_t compositor_frame_sink_id,
                                             cc::CompositorFrame frame) {
 #if defined(OS_CHROMEOS)
   DCHECK(!resize_lock_ || !client_->IsAutoResizeEnabled());
@@ skipping 60 matching lines @@
   background_color_ = frame.metadata.root_background_color;
 
   if (frame_size.IsEmpty()) {
     DCHECK(frame.resource_list.empty());
     EvictDelegatedFrame();
   } else {
     ImageTransportFactory* factory = ImageTransportFactory::GetInstance();
     cc::SurfaceManager* manager = factory->GetSurfaceManager();
     if (!local_frame_id_.is_valid() || frame_size != current_surface_size_ ||
         frame_size_in_dip != current_frame_size_in_dip_) {
-      if (local_frame_id_.is_valid())
-        surface_factory_->Destroy(local_frame_id_);
       local_frame_id_ = id_allocator_->GenerateId();
-      surface_factory_->Create(local_frame_id_);
+      surface_factory_->SubmitCompositorFrame(

[Fady Samuel, 2016/11/21 21:00:16]

Please don't land this. This is not the correct fix in my opinion because this
adds unnecessary overhead.

+          local_frame_id_, cc::CompositorFrame(),
+          cc::SurfaceFactory::DrawCallback());
       // manager must outlive compositors using it.
       client_->DelegatedFrameHostGetLayer()->SetShowSurface(
           cc::SurfaceId(frame_sink_id_, local_frame_id_),
           base::Bind(&SatisfyCallback, base::Unretained(manager)),
           base::Bind(&RequireCallback, base::Unretained(manager)), frame_size,
           frame_device_scale_factor, frame_size_in_dip);
       current_surface_size_ = frame_size;
       current_scale_factor_ = frame_device_scale_factor;
     }
 
@@ skipping 91 matching lines @@
 }
 
 void DelegatedFrameHost::SetBeginFrameSource(
     cc::BeginFrameSource* begin_frame_source) {
   client_->SetBeginFrameSource(begin_frame_source);
 }
 
 void DelegatedFrameHost::EvictDelegatedFrame() {
   client_->DelegatedFrameHostGetLayer()->SetShowSolidColorContent();
   if (local_frame_id_.is_valid()) {
-    surface_factory_->Destroy(local_frame_id_);
+    surface_factory_->EvictSurface();
     local_frame_id_ = cc::LocalFrameId();
   }
   delegated_frame_evictor_->DiscardedFrame();
   UpdateGutters();
 }
 
 // static
 void DelegatedFrameHost::ReturnSubscriberTexture(
     base::WeakPtr<DelegatedFrameHost> dfh,
     scoped_refptr<OwnedMailbox> subscriber_texture,
@@ skipping 213 matching lines @@
   yuv_readback_pipeline_.reset();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // DelegatedFrameHost, private:
 
 DelegatedFrameHost::~DelegatedFrameHost() {
   DCHECK(!compositor_);
   ImageTransportFactory* factory = ImageTransportFactory::GetInstance();
   factory->GetContextFactory()->RemoveObserver(this);
-
-  if (local_frame_id_.is_valid())
-    surface_factory_->Destroy(local_frame_id_);
+  surface_factory_->EvictSurface();
   factory->GetSurfaceManager()->UnregisterSurfaceFactoryClient(frame_sink_id_);
   factory->GetSurfaceManager()->InvalidateFrameSinkId(frame_sink_id_);
 
   DCHECK(!vsync_manager_.get());
 }
 
 void DelegatedFrameHost::SetCompositor(ui::Compositor* compositor) {
   DCHECK(!compositor_);
   if (!compositor)
     return;
@@ skipping 38 matching lines @@
         std::move(request));
   }
 }
 
 void DelegatedFrameHost::UnlockResources() {
   DCHECK(local_frame_id_.is_valid());
   delegated_frame_evictor_->UnlockFrame();
 }
 
 }  // namespace content