Reland: Web MIDI: split build rules for media/midi

testing/buildbot/chromium.memory.json

Index: testing/buildbot/chromium.memory.json
diff --git a/testing/buildbot/chromium.memory.json b/testing/buildbot/chromium.memory.json
index dcdfe7cd9761f84794b42ff587d293d61ded503c..132f87b00e627605a47cf7534855f488bc675da1 100644
--- a/testing/buildbot/chromium.memory.json
+++ b/testing/buildbot/chromium.memory.json
@@ -91,6 +91,9 @@
         "test": "media_unittests"
       },
       {
+        "test": "midi_unittests"
+      },
+      {
         "swarming": {
           "can_use_on_swarming_builders": true,
           "shards": 4
@@ -266,6 +269,9 @@
         "test": "message_center_unittests"
       },
       {
+        "test": "midi_unittests"
+      },
+      {
         "test": "nacl_loader_unittests"
       },
       {
@@ -392,6 +398,9 @@
         "test": "media_unittests"
       },
       {
+        "test": "midi_unittests"
+      },
+      {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
@@ -496,6 +505,9 @@
         "test": "media_unittests"
       },
       {
+        "test": "midi_unittests"
+      },
+      {
         "swarming": {
           "can_use_on_swarming_builders": true
         },