Revert of cc: Move data to LayerTree from LayerTreeHost.

content/browser/renderer_host/compositor_impl_android.cc

Index: content/browser/renderer_host/compositor_impl_android.cc
diff --git a/content/browser/renderer_host/compositor_impl_android.cc b/content/browser/renderer_host/compositor_impl_android.cc
index 7922764ae84b28834b51f03a916ed9cbb52be225..bc9028a6bbc7b25838370f3dbdc5f75757075abd 100644
--- a/content/browser/renderer_host/compositor_impl_android.cc
+++ b/content/browser/renderer_host/compositor_impl_android.cc
@@ -503,12 +503,11 @@
   params.animation_host = cc::AnimationHost::CreateMainInstance();
   host_ = cc::LayerTreeHost::CreateSingleThreaded(this, &params);
   DCHECK(!host_->visible());
-  host_->GetLayerTree()->SetRootLayer(root_window_->GetLayer());
+  host_->SetRootLayer(root_window_->GetLayer());
   host_->set_surface_client_id(surface_id_allocator_->client_id());
-  host_->GetLayerTree()->SetViewportSize(size_);
-  host_->GetLayerTree()->set_has_transparent_background(
-      has_transparent_background_);
-  host_->GetLayerTree()->SetDeviceScaleFactor(device_scale_factor_);
+  host_->SetViewportSize(size_);
+  host_->set_has_transparent_background(has_transparent_background_);
+  host_->SetDeviceScaleFactor(device_scale_factor_);
 
   if (needs_animate_)
     host_->SetNeedsAnimate();
@@ -540,7 +539,7 @@
 void CompositorImpl::setDeviceScaleFactor(float factor) {
   device_scale_factor_ = factor;
   if (host_)
-    host_->GetLayerTree()->SetDeviceScaleFactor(factor);
+    host_->SetDeviceScaleFactor(factor);
 }
 
 void CompositorImpl::SetWindowBounds(const gfx::Size& size) {
@@ -549,7 +548,7 @@
 
   size_ = size;
   if (host_)
-    host_->GetLayerTree()->SetViewportSize(size);
+    host_->SetViewportSize(size);
   if (display_)
     display_->Resize(size);
   root_window_->GetLayer()->SetBounds(size);
@@ -558,7 +557,7 @@
 void CompositorImpl::SetHasTransparentBackground(bool flag) {
   has_transparent_background_ = flag;
   if (host_)
-    host_->GetLayerTree()->set_has_transparent_background(flag);
+    host_->set_has_transparent_background(flag);
 }
 
 void CompositorImpl::SetNeedsComposite() {