WIP: Towards merging OffscreenCanvas and Mus code

content/browser/renderer_host/offscreen_canvas_compositor_frame_sink_manager.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 "content/browser/renderer_host/offscreen_canvas_compositor_frame_sink_manager.h"
 #include "base/lazy_instance.h"
 #include "cc/surfaces/surface_manager.h"
 #include "content/browser/compositor/surface_utils.h"
-#include "content/browser/renderer_host/offscreen_canvas_surface_manager.h"
 
 namespace content {
 
 namespace {
-base::LazyInstance<OffscreenCanvasSurfaceManager>::Leaky g_manager =
+base::LazyInstance<OffscreenCanvasCompositorFrameSinkManager>::Leaky g_manager =
     LAZY_INSTANCE_INITIALIZER;
 }
 
-OffscreenCanvasSurfaceManager::OffscreenCanvasSurfaceManager() {
+OffscreenCanvasCompositorFrameSinkManager::
+    OffscreenCanvasCompositorFrameSinkManager() {
   GetSurfaceManager()->AddObserver(this);
 }
 
-OffscreenCanvasSurfaceManager::~OffscreenCanvasSurfaceManager() {
+OffscreenCanvasCompositorFrameSinkManager::
+    ~OffscreenCanvasCompositorFrameSinkManager() {
   registered_surface_instances_.clear();
   GetSurfaceManager()->RemoveObserver(this);
 }
 
-OffscreenCanvasSurfaceManager* OffscreenCanvasSurfaceManager::GetInstance() {
+OffscreenCanvasCompositorFrameSinkManager*
+OffscreenCanvasCompositorFrameSinkManager::GetInstance() {
   return g_manager.Pointer();
 }
 
-void OffscreenCanvasSurfaceManager::RegisterFrameSinkToParent(
+void OffscreenCanvasCompositorFrameSinkManager::RegisterFrameSinkToParent(
     const cc::FrameSinkId& child_frame_sink_id) {
   auto surface_iter = registered_surface_instances_.find(child_frame_sink_id);
   if (surface_iter == registered_surface_instances_.end())
     return;
   OffscreenCanvasSurfaceImpl* surfaceImpl = surface_iter->second;
   if (surfaceImpl->parent_frame_sink_id().is_valid()) {
     GetSurfaceManager()->RegisterFrameSinkHierarchy(
         surfaceImpl->parent_frame_sink_id(), child_frame_sink_id);
   }
 }
 
-void OffscreenCanvasSurfaceManager::UnregisterFrameSinkFromParent(
+void OffscreenCanvasCompositorFrameSinkManager::UnregisterFrameSinkFromParent(
     const cc::FrameSinkId& child_frame_sink_id) {
   auto surface_iter = registered_surface_instances_.find(child_frame_sink_id);
   if (surface_iter == registered_surface_instances_.end())
     return;
   OffscreenCanvasSurfaceImpl* surfaceImpl = surface_iter->second;
   if (surfaceImpl->parent_frame_sink_id().is_valid()) {
     GetSurfaceManager()->UnregisterFrameSinkHierarchy(
         surfaceImpl->parent_frame_sink_id(), child_frame_sink_id);
   }
 }
 
-void OffscreenCanvasSurfaceManager::OnSurfaceCreated(
+void OffscreenCanvasCompositorFrameSinkManager::OnSurfaceCreated(
     const cc::SurfaceInfo& surface_info) {
   auto surface_iter =
       registered_surface_instances_.find(surface_info.id().frame_sink_id());
   if (surface_iter == registered_surface_instances_.end())
     return;
   OffscreenCanvasSurfaceImpl* surfaceImpl = surface_iter->second;
   surfaceImpl->OnSurfaceCreated(surface_info);
 }
 
-void OffscreenCanvasSurfaceManager::RegisterOffscreenCanvasSurfaceInstance(
-    const cc::FrameSinkId& frame_sink_id,
-    OffscreenCanvasSurfaceImpl* surface_instance) {
+void OffscreenCanvasCompositorFrameSinkManager::
+    RegisterOffscreenCanvasSurfaceInstance(
+        const cc::FrameSinkId& frame_sink_id,
+        OffscreenCanvasSurfaceImpl* surface_instance) {
   DCHECK(surface_instance);
   DCHECK_EQ(registered_surface_instances_.count(frame_sink_id), 0u);
   registered_surface_instances_[frame_sink_id] = surface_instance;
 }
 
-void OffscreenCanvasSurfaceManager::UnregisterOffscreenCanvasSurfaceInstance(
-    const cc::FrameSinkId& frame_sink_id) {
+void OffscreenCanvasCompositorFrameSinkManager::
+    UnregisterOffscreenCanvasSurfaceInstance(
+        const cc::FrameSinkId& frame_sink_id) {
   DCHECK_EQ(registered_surface_instances_.count(frame_sink_id), 1u);
   registered_surface_instances_.erase(frame_sink_id);
 }
 
-OffscreenCanvasSurfaceImpl* OffscreenCanvasSurfaceManager::GetSurfaceInstance(
+OffscreenCanvasSurfaceImpl*
+OffscreenCanvasCompositorFrameSinkManager::GetSurfaceInstance(
     const cc::FrameSinkId& frame_sink_id) {
   auto search = registered_surface_instances_.find(frame_sink_id);
   if (search != registered_surface_instances_.end()) {
     return search->second;
   }
   return nullptr;
 }
 
 }  // namespace content