renames mus_ws_unittests to ui_service_unittests

testing/buildbot/chromium.linux.json

Index: testing/buildbot/chromium.linux.json
diff --git a/testing/buildbot/chromium.linux.json b/testing/buildbot/chromium.linux.json
index 5b07cb1eca95d48c8ae3c5afe1f603f996f2092e..350b95dd8069a7994e991df5bca23d6e9640360c 100644
--- a/testing/buildbot/chromium.linux.json
+++ b/testing/buildbot/chromium.linux.json
@@ -3989,12 +3989,6 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
-        "test": "mus_ws_unittests"
-      },
-      {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "nacl_loader_unittests"
       },
       {
@@ -4097,6 +4091,12 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
+        "test": "ui_service_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "ui_struct_traits_unittests"
       },
       {
@@ -4683,12 +4683,6 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
-        "test": "mus_ws_unittests"
-      },
-      {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "nacl_loader_unittests"
       },
       {
@@ -4794,6 +4788,12 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
+        "test": "ui_service_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "ui_struct_traits_unittests"
       },
       {
@@ -5128,12 +5128,6 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
-        "test": "mus_ws_unittests"
-      },
-      {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "nacl_loader_unittests"
       },
       {
@@ -5215,6 +5209,12 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
+        "test": "ui_service_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "ui_touch_selection_unittests"
       },
       {