exo: Recreate Surface resources on context lost.

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 57 matching lines @@
       compositor_(nullptr),
       tick_clock_(new base::DefaultTickClock()),
       last_output_surface_id_(0),
       pending_delegated_ack_count_(0),
       skipped_frames_(false),
       background_color_(SK_ColorRED),
       current_scale_factor_(1.f),
       can_lock_compositor_(YES_CAN_LOCK),
       delegated_frame_evictor_(new DelegatedFrameEvictor(this)) {
   ImageTransportFactory* factory = ImageTransportFactory::GetInstance();
-  factory->AddObserver(this);
+  factory->GetContextFactory()->AddObserver(this);
   id_allocator_ = factory->GetContextFactory()->CreateSurfaceIdAllocator();
   factory->GetSurfaceManager()->RegisterSurfaceFactoryClient(
       id_allocator_->id_namespace(), this);
 }
 
 void DelegatedFrameHost::WasShown(const ui::LatencyInfo& latency_info) {
   delegated_frame_evictor_->SetVisible(true);
 
   if (surface_id_.is_null() && !released_front_lock_.get()) {
     if (compositor_)
@@ skipping 713 matching lines @@
 
   client_->DelegatedFrameHostOnLostCompositorResources();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // DelegatedFrameHost, private:
 
 DelegatedFrameHost::~DelegatedFrameHost() {
   DCHECK(!compositor_);
   ImageTransportFactory* factory = ImageTransportFactory::GetInstance();
-  factory->RemoveObserver(this);
+  factory->GetContextFactory()->RemoveObserver(this);
 
   if (!surface_id_.is_null())
     surface_factory_->Destroy(surface_id_);
   factory->GetSurfaceManager()->UnregisterSurfaceFactoryClient(
       id_allocator_->id_namespace());
 
   DCHECK(!vsync_manager_.get());
 }
 
 void DelegatedFrameHost::SetCompositor(ui::Compositor* compositor) {
@@ skipping 73 matching lines @@
     cc::SurfaceManager* manager = factory->GetSurfaceManager();
     new_layer->SetShowSurface(
         surface_id_, base::Bind(&SatisfyCallback, base::Unretained(manager)),
         base::Bind(&RequireCallback, base::Unretained(manager)),
         current_surface_size_, current_scale_factor_,
         current_frame_size_in_dip_);
   }
 }
 
 }  // namespace content