Swarm base_unittests and net_unittests on Linux memory bots. I missed this earlier.

testing/buildbot/chromium.memory.json

 {
   "Linux ASan LSan Tests (1)": {
     "gtest_tests": [
       "accessibility_unittests",
       "app_shell_browsertests",
-      "base_unittests",
+      {
+        "test": "base_unittests",
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        }
+      },
       {
         "test": "browser_tests",
         "swarming": {
           "can_use_on_swarming_builders": true,
-          "shards": 3
+          "shards": 5
         }
       },
       "cacheinvalidation_unittests",
       "cast_unittests",
       "cc_unittests",
       "components_unittests",
       {
         "test": "content_browsertests",
         "swarming": {
           "can_use_on_swarming_builders": true
         }
       },
       {
         "test": "content_unittests",
         "swarming": {
           "can_use_on_swarming_builders": true
         }
       },
       "crypto_unittests",
       "device_unittests",
       "display_unittests",
       "gcm_unit_tests",
       "gfx_unittests",
       "google_apis_unittests",
       "gpu_unittests",
       {
         "test": "interactive_ui_tests",
         "swarming": {
-          "can_use_on_swarming_builders": true
+          "can_use_on_swarming_builders": true,
+          "shards": 2
         }
       },
       "ipc_tests",
       "jingle_unittests",
       "media_unittests",
-      "net_unittests",
+      {
+        "test": "net_unittests",
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        }
+      },
       "ppapi_unittests",
       "printing_unittests",
       "remoting_unittests",
       "sandbox_linux_unittests",
       "sql_unittests",
       "sync_unit_tests",
       "ui_unittests",
       {
         "test": "unit_tests",
         "swarming": {
@@ skipping 10 matching lines @@
   "Linux ASan LSan Tests (3)": {
     "gtest_tests": [
     ]
   },
   "Linux ASan Tests (sandboxed)": {
     "gtest_tests": [
       {
         "test": "browser_tests",
         "swarming": {
           "can_use_on_swarming_builders": true,
-          "shards": 2
+          "shards": 5
         }
       },
       {
         "test": "content_browsertests",
         "swarming": {
           "can_use_on_swarming_builders": true
         }
       },
       {
         "test": "interactive_ui_tests",
         "swarming": {
-          "can_use_on_swarming_builders": true
+          "can_use_on_swarming_builders": true,
+          "shards": 2
         }
       }
     ]
   }
 }