Move discardable memory to //components from //content

content/test/BUILD.gn

Index: content/test/BUILD.gn
diff --git a/content/test/BUILD.gn b/content/test/BUILD.gn
index 511e8c29ccd9319a02092788d964da29f5303e2b..849519361b9940ee16e1d6f4684f3488af8f0e9e 100644
--- a/content/test/BUILD.gn
+++ b/content/test/BUILD.gn
@@ -658,6 +658,8 @@ test("content_browsertests") {
     ":test_support",
     ":web_ui_test_mojo_bindings",
     "//base/test:test_support",
+    "//components/discardable_memory/client",
+    "//components/discardable_memory/common",
     "//content:resources",
     "//content/app:both_for_content_tests",
     "//content/browser:for_content_tests",
@@ -1258,10 +1260,8 @@ test("content_unittests") {
     "../common/cursors/webcursor_unittest.cc",
     "../common/database_connections_unittest.cc",
     "../common/database_identifier_unittest.cc",
-    "../common/discardable_shared_memory_heap_unittest.cc",
     "../common/dom_storage/dom_storage_map_unittest.cc",
     "../common/fileapi/file_system_util_unittest.cc",
-    "../common/host_discardable_shared_memory_manager_unittest.cc",
     "../common/host_shared_bitmap_manager_unittest.cc",
     "../common/indexed_db/indexed_db_key_unittest.cc",
     "../common/input/event_with_latency_info_unittest.cc",
@@ -1671,7 +1671,6 @@ test("content_perftests") {
 
   sources = [
     "../browser/renderer_host/input/input_router_impl_perftest.cc",
-    "../common/discardable_shared_memory_heap_perftest.cc",
     "../test/run_all_perftests.cc",
   ]
   deps = [