Revert of Mandoline UI Process: Update namespaces and file names

components/mus/view_tree_host_impl.h

Index: components/mus/view_tree_host_impl.h
diff --git a/components/mus/view_tree_host_impl.h b/components/mus/view_tree_host_impl.h
index 3aaeb808fe88f0808c0e586f4791ae6f2dd8b7eb..2ce45c8f00728231b2f6f85cc0db28a224772864 100644
--- a/components/mus/view_tree_host_impl.h
+++ b/components/mus/view_tree_host_impl.h
@@ -17,11 +17,11 @@
 class SurfaceManager;
 }
 
-namespace mus {
+namespace surfaces {
 class SurfacesScheduler;
 }
 
-namespace mus {
+namespace view_manager {
 
 class ConnectionManager;
 class FocusController;
@@ -40,12 +40,13 @@
   // TODO(fsamuel): All these parameters are just plumbing for creating
   // DisplayManagers. We should probably just store these common parameters
   // in the DisplayManagerFactory and pass them along on DisplayManager::Create.
-  ViewTreeHostImpl(mojo::ViewTreeHostClientPtr client,
-                   ConnectionManager* connection_manager,
-                   bool is_headless,
-                   mojo::ApplicationImpl* app_impl,
-                   const scoped_refptr<GpuState>& gpu_state,
-                   const scoped_refptr<SurfacesState>& surfaces_state);
+  ViewTreeHostImpl(
+      mojo::ViewTreeHostClientPtr client,
+      ConnectionManager* connection_manager,
+      bool is_headless,
+      mojo::ApplicationImpl* app_impl,
+      const scoped_refptr<gles2::GpuState>& gpu_state,
+      const scoped_refptr<surfaces::SurfacesState>& surfaces_state);
   ~ViewTreeHostImpl() override;
 
   // Initializes state that depends on the existence of a ViewTreeHostImpl.
@@ -117,6 +118,6 @@
   DISALLOW_COPY_AND_ASSIGN(ViewTreeHostImpl);
 };
 
-}  // namespace mus
+}  // namespace view_manager
 
 #endif  // COMPONENTS_MUS_VIEW_TREE_HOST_IMPL_H_