Revert of Start of display management for mus

components/mus/ws/connection_manager.cc

Index: components/mus/ws/connection_manager.cc
diff --git a/components/mus/ws/connection_manager.cc b/components/mus/ws/connection_manager.cc
index 1c6fe6fd4309024996b9291307e194cf229ecd3f..fd7e78211b9c3a210848ba5a6c525d35c6f13243 100644
--- a/components/mus/ws/connection_manager.cc
+++ b/components/mus/ws/connection_manager.cc
@@ -20,6 +20,7 @@
 #include "ui/gfx/geometry/size_conversions.h"
 
 namespace mus {
+
 namespace ws {
 
 ConnectionManager::ConnectionManager(
@@ -253,11 +254,6 @@
   return host_connection_map_.begin()->first;
 }
 
-void ConnectionManager::AddDisplayManagerBinding(
-    mojo::InterfaceRequest<mojom::DisplayManager> request) {
-  display_manager_bindings_.AddBinding(this, std::move(request));
-}
-
 uint32_t ConnectionManager::GenerateWindowManagerChangeId(
     WindowTreeImpl* source,
     uint32_t client_change_id) {
@@ -587,36 +583,6 @@
   }
 }
 
-void ConnectionManager::AddObserver(mojom::DisplayManagerObserverPtr observer) {
-  mojo::Array<mojom::DisplayPtr> displays(host_connection_map_.size());
-  {
-    size_t i = 0;
-    int next_x = 0;
-    for (auto& pair : host_connection_map_) {
-      const WindowTreeHostImpl* tree_host = pair.first;
-      const ServerWindow* root = tree_host->root_window();
-      displays[i]->id = tree_host->id();
-      displays[i]->bounds = mojo::Rect::New();
-      displays[i]->bounds->x = next_x;
-      displays[i]->bounds->y = 0;
-      displays[i]->bounds->width = root->bounds().size().width();
-      displays[i]->bounds->height = root->bounds().size().height();
-      next_x += displays[i]->bounds->width;
-      // TODO(sky): window manager needs an API to set the work area.
-      displays[i]->work_area = displays[1]->bounds.Clone();
-      displays[i]->device_pixel_ratio =
-          tree_host->GetViewportMetrics().device_pixel_ratio;
-      displays[i]->rotation = tree_host->GetRotation();
-      // TODO(sky): make this real.
-      displays[i]->is_primary = i == 0;
-      // TODO(sky): make this real.
-      displays[i]->touch_support = mojom::TouchSupport::UNKNOWN;
-      ++i;
-    }
-  }
-  observer->OnDisplays(std::move(displays));
-  display_manager_observers_.AddInterfacePtr(std::move(observer));
-}
-
 }  // namespace ws
+
 }  // namespace mus