Hosting the discardable memory service in the mus process

services/ui/manifest.json

Index: services/ui/manifest.json
diff --git a/services/ui/manifest.json b/services/ui/manifest.json
index 3e5b988b43b1037b3892def84dc7752dc85560bf..df8c8febb005991e1c09152cd54ee39c7e464fdc 100644
--- a/services/ui/manifest.json
+++ b/services/ui/manifest.json
@@ -9,6 +9,7 @@
         // NOTE: when adding a new interface chances are you will want to add it
         // to window_manager as well.
         "app": [
+          "discardable_memory::mojom::DiscardableSharedMemoryManager",
           "ui::mojom::Clipboard",
           "ui::mojom::DisplayCompositor",
           "ui::mojom::DisplayManager",
@@ -25,6 +26,9 @@
         "test": [
           "ui::mojom::WindowServerTest"
         ],
+        "discardable_memory": [
+          "discardable_memory::mojom::DiscardableSharedMemoryManager"
+        ],
         "gpu_client": [
           "ui::mojom::Gpu",
           "ui::mojom::GpuService"
@@ -36,6 +40,7 @@
           "ui::mojom::UserAccessManager"
         ],
         "window_manager": [
+          "discardable_memory::mojom::DiscardableSharedMemoryManager",
           "display::mojom::DisplayController",
           "display::mojom::TestDisplayController",
           "ui::mojom::AccessibilityManager",