ui + mus: Split ContextFactory into ContextFactory(Client) and ContextFactoryPrivate

ui/compositor/compositor.cc

Index: ui/compositor/compositor.cc
diff --git a/ui/compositor/compositor.cc b/ui/compositor/compositor.cc
index a30c2ded5f974873d7cc2ec527cad68c31f04aec..f2d08cde512820fb5ea9af028f7e25811b276e4d 100644
--- a/ui/compositor/compositor.cc
+++ b/ui/compositor/compositor.cc
@@ -72,8 +72,10 @@ void CompositorLock::CancelLock() {
 }
 
 Compositor::Compositor(ui::ContextFactory* context_factory,
+                       ui::ContextFactoryPrivate* context_factory_private,
                        scoped_refptr<base::SingleThreadTaskRunner> task_runner)
     : context_factory_(context_factory),
+      context_factory_private_(context_factory_private),
       root_layer_(NULL),
       widget_(gfx::kNullAcceleratedWidget),
 #if defined(USE_AURA)
@@ -81,7 +83,9 @@ Compositor::Compositor(ui::ContextFactory* context_factory,
 #endif
       widget_valid_(false),
       compositor_frame_sink_requested_(false),
-      frame_sink_id_(context_factory->AllocateFrameSinkId()),
+      frame_sink_id_(context_factory_private
+                         ? context_factory_private->AllocateFrameSinkId()
+                         : cc::FrameSinkId()),
       task_runner_(task_runner),
       vsync_manager_(new CompositorVSyncManager()),
       device_scale_factor_(0.0f),
@@ -89,7 +93,10 @@ Compositor::Compositor(ui::ContextFactory* context_factory,
       compositor_lock_(NULL),
       layer_animator_collection_(this),
       weak_ptr_factory_(this) {
-  context_factory->GetSurfaceManager()->RegisterFrameSinkId(frame_sink_id_);
+  if (context_factory_private) {
+    context_factory_private->GetSurfaceManager()->RegisterFrameSinkId(
+        frame_sink_id_);
+  }
   root_web_layer_ = cc::Layer::Create();
 
   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
@@ -230,25 +237,31 @@ Compositor::~Compositor() {
   host_.reset();
 
   context_factory_->RemoveCompositor(this);
-  auto* manager = context_factory_->GetSurfaceManager();
-  for (auto& client : child_frame_sinks_) {
-    DCHECK(client.is_valid());
-    manager->UnregisterFrameSinkHierarchy(frame_sink_id_, client);
+  if (context_factory_private_) {
+    auto* manager = context_factory_private_->GetSurfaceManager();
+    for (auto& client : child_frame_sinks_) {
+      DCHECK(client.is_valid());
+      manager->UnregisterFrameSinkHierarchy(frame_sink_id_, client);
+    }
+    manager->InvalidateFrameSinkId(frame_sink_id_);
   }
-  manager->InvalidateFrameSinkId(frame_sink_id_);
 }
 
 void Compositor::AddFrameSink(const cc::FrameSinkId& frame_sink_id) {
-  context_factory_->GetSurfaceManager()->RegisterFrameSinkHierarchy(
+  if (!context_factory_private_)
+    return;
+  context_factory_private_->GetSurfaceManager()->RegisterFrameSinkHierarchy(
       frame_sink_id_, frame_sink_id);
   child_frame_sinks_.insert(frame_sink_id);
 }
 
 void Compositor::RemoveFrameSink(const cc::FrameSinkId& frame_sink_id) {
+  if (!context_factory_private_)
+    return;
   auto it = child_frame_sinks_.find(frame_sink_id);
   DCHECK(it != child_frame_sinks_.end());
   DCHECK(it->is_valid());
-  context_factory_->GetSurfaceManager()->UnregisterFrameSinkHierarchy(
+  context_factory_private_->GetSurfaceManager()->UnregisterFrameSinkHierarchy(
       frame_sink_id_, *it);
   child_frame_sinks_.erase(it);
 }
@@ -259,8 +272,10 @@ void Compositor::SetCompositorFrameSink(
   host_->SetCompositorFrameSink(std::move(compositor_frame_sink));
   // Display properties are reset when the output surface is lost, so update it
   // to match the Compositor's.
-  context_factory_->SetDisplayVisible(this, host_->IsVisible());
-  context_factory_->SetDisplayColorSpace(this, color_space_);
+  if (context_factory_private_) {
+    context_factory_private_->SetDisplayVisible(this, host_->IsVisible());
+    context_factory_private_->SetDisplayColorSpace(this, color_space_);
+  }
 }
 
 void Compositor::ScheduleDraw() {
@@ -305,7 +320,7 @@ void Compositor::ScheduleRedrawRect(const gfx::Rect& damage_rect) {
 }
 
 void Compositor::DisableSwapUntilResize() {
-  context_factory_->ResizeDisplay(this, gfx::Size());
+  context_factory_private_->ResizeDisplay(this, gfx::Size());
 }
 
 void Compositor::SetLatencyInfo(const ui::LatencyInfo& latency_info) {
@@ -320,7 +335,9 @@ void Compositor::SetScaleAndSize(float scale, const gfx::Size& size_in_pixel) {
     size_ = size_in_pixel;
     host_->GetLayerTree()->SetViewportSize(size_in_pixel);
     root_web_layer_->SetBounds(size_in_pixel);
-    context_factory_->ResizeDisplay(this, size_in_pixel);
+    // TODO(fsamuel): Get rid of ContextFactoryPrivate.
+    if (context_factory_private_)
+      context_factory_private_->ResizeDisplay(this, size_in_pixel);
   }
   if (device_scale_factor_ != scale) {
     device_scale_factor_ = scale;
@@ -335,7 +352,9 @@ void Compositor::SetDisplayColorSpace(const gfx::ColorSpace& color_space) {
   color_space_ = color_space;
   // Color space is reset when the output surface is lost, so this must also be
   // updated then.
-  context_factory_->SetDisplayColorSpace(this, color_space_);
+  // TODO(fsamuel): Get rid of this.
+  if (context_factory_private_)
+    context_factory_private_->SetDisplayColorSpace(this, color_space_);
 }
 
 void Compositor::SetBackgroundColor(SkColor color) {
@@ -347,7 +366,9 @@ void Compositor::SetVisible(bool visible) {
   host_->SetVisible(visible);
   // Visibility is reset when the output surface is lost, so this must also be
   // updated then.
-  context_factory_->SetDisplayVisible(this, visible);
+  // TODO(fsamuel): Eliminate this call.
+  if (context_factory_private_)
+    context_factory_private_->SetDisplayVisible(this, visible);
 }
 
 bool Compositor::IsVisible() {
@@ -365,7 +386,8 @@ bool Compositor::GetScrollOffsetForLayer(int layer_id,
 
 void Compositor::SetAuthoritativeVSyncInterval(
     const base::TimeDelta& interval) {
-  context_factory_->SetAuthoritativeVSyncInterval(this, interval);
+  if (context_factory_private_)
+    context_factory_private_->SetAuthoritativeVSyncInterval(this, interval);
   vsync_manager_->SetAuthoritativeVSyncInterval(interval);
 }
 
@@ -376,7 +398,10 @@ void Compositor::SetDisplayVSyncParameters(base::TimeTicks timebase,
     interval = cc::BeginFrameArgs::DefaultInterval();
   }
 
-  context_factory_->SetDisplayVSyncParameters(this, timebase, interval);
+  if (context_factory_private_) {
+    context_factory_private_->SetDisplayVSyncParameters(this, timebase,
+                                                        interval);
+  }
   vsync_manager_->UpdateVSyncParameters(timebase, interval);
 }
 
@@ -499,7 +524,8 @@ void Compositor::DidSubmitCompositorFrame() {
 }
 
 void Compositor::SetOutputIsSecure(bool output_is_secure) {
-  context_factory_->SetOutputIsSecure(this, output_is_secure);
+  if (context_factory_private_)
+    context_factory_private_->SetOutputIsSecure(this, output_is_secure);
 }
 
 const cc::LayerTreeDebugState& Compositor::GetLayerTreeDebugState() const {