discardable_memory: Using mojo IPC to replace Chrome IPC

components/discardable_memory/service/BUILD.gn

Index: components/discardable_memory/service/BUILD.gn
diff --git a/components/discardable_memory/service/BUILD.gn b/components/discardable_memory/service/BUILD.gn
index 4061d7208dfa794332e57ecbe33b5f86b7f527cf..4a75d95b05f35740f3ce5d34d72ec29d81c2bfe1 100644
--- a/components/discardable_memory/service/BUILD.gn
+++ b/components/discardable_memory/service/BUILD.gn
@@ -12,11 +12,14 @@ component("service") {
   sources = [
     "discardable_shared_memory_manager.cc",
     "discardable_shared_memory_manager.h",
+    "discardable_shared_memory_manager_proxy.cc",
+    "discardable_shared_memory_manager_proxy.h",
   ]
 
   deps = [
     "//base",
     "//components/discardable_memory/common",
+    "//components/discardable_memory/public/interfaces",
   ]
 }