[Sync] Merge sync_unit_tests into components_unit_tests, take 3.

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 bba53a45ddd9d770d6952c2743252cac72ac20e7..0b362e09fe19394a7e5a2b3c754b4dfc4e8b9eee 100644
--- a/testing/buildbot/chromium.linux.json
+++ b/testing/buildbot/chromium.linux.json
@@ -514,20 +514,6 @@
         "test": "sql_unittests"
       },
       {
-        "override_isolate_target": "sync_unit_tests",
-        "swarming": {
-          "can_use_on_swarming_builders": true,
-          "dimension_sets": [
-            {
-              "android_devices": "4",
-              "device_os": "KTU84P",
-              "device_type": "hammerhead"
-            }
-          ]
-        },
-        "test": "sync_unit_tests"
-      },
-      {
         "override_isolate_target": "ui_android_unittests",
         "swarming": {
           "can_use_on_swarming_builders": true,
@@ -744,9 +730,6 @@
         "test": "sql_unittests"
       },
       {
-        "test": "sync_unit_tests"
-      },
-      {
         "test": "ui_android_unittests"
       },
       {
@@ -976,12 +959,6 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
-        "test": "sync_unit_tests"
-      },
-      {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ui_base_unittests"
       },
       {
@@ -1425,12 +1402,6 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
-        "test": "sync_unit_tests"
-      },
-      {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "test_ime_unittests"
       },
       {
@@ -1879,12 +1850,6 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
-        "test": "sync_unit_tests"
-      },
-      {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "test_ime_unittests"
       },
       {
@@ -2252,12 +2217,6 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
-        "test": "sync_unit_tests"
-      },
-      {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ui_base_unittests"
       },
       {