Browser tests for starting a drag-and-drop out of an OOPIF.

testing/buildbot/chromium.fyi.json

 {
   "Android Asan Builder Tests (dbg)": {
     "gtest_tests": [
       {
         "args": [
           "--tool=asan"
         ],
         "swarming": {
           "can_use_on_swarming_builders": false
         },
@@ skipping 12064 matching lines @@
         "args": [
           "--site-per-process"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "extensions_unittests"
       },
       {
         "args": [
-          "--site-per-process"
+          "--site-per-process",
+          "--test-launcher-filter-file=../../testing/buildbot/filters/site-per-process.interactive_ui_tests.filter"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "interactive_ui_tests"
       },
       {
         "args": [
           "--site-per-process"
         ],
@@ skipping 1092 matching lines @@
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "views_unittests"
       }
     ]
   }
 }