Implement RenderPass StructTraits

testing/buildbot/chromium.android.json

 {
   "Android GN Builder (dbg)": {
     "additional_compile_targets": [
       "blimp_tests",
       "chrome_public_apk",
       "chrome_public_test_apk",
       "content_shell_apk",
       "content_shell_test_apk",
       "system_webview_apk"
     ]
@@ skipping 802 matching lines @@
             {
               "device_os": "KTU84P",
               "device_type": "hammerhead"
             }
           ],
           "hard_timeout": 30
         },
         "test": "mojo_runner_host_unittests"
       },
       {
-        "override_isolate_target": "mojo_surfaces_lib_unittests",
-        "swarming": {
-          "can_use_on_swarming_builders": true,
-          "dimension_sets": [
-            {
-              "device_os": "KTU84P",
-              "device_type": "hammerhead"
-            }
-          ],
-          "hard_timeout": 30
-        },
-        "test": "mojo_surfaces_lib_unittests"
-      },
-      {
         "override_isolate_target": "mojo_system_unittests",
         "swarming": {
           "can_use_on_swarming_builders": true,
           "dimension_sets": [
             {
               "device_os": "KTU84P",
               "device_type": "hammerhead"
             }
           ],
           "hard_timeout": 60
@@ skipping 994 matching lines @@
       },
       {
         "test": "chrome_sync_shell_test_apk"
       },
       {
         "test": "content_shell_test_apk"
       }
     ]
   }
 }