Run video_decode_accelerator_unittest on windows GPU bots.

testing/buildbot/chromium.gpu.json

Index: testing/buildbot/chromium.gpu.json
diff --git a/testing/buildbot/chromium.gpu.json b/testing/buildbot/chromium.gpu.json
index 7bacd13d0625529bf835bf4337d6e31f225310f7..1def634b41417dbc04807dd86db67955f7041df2 100644
--- a/testing/buildbot/chromium.gpu.json
+++ b/testing/buildbot/chromium.gpu.json
@@ -1962,6 +1962,19 @@
         },
         "test": "gl_unittests",
         "use_xvfb": false
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true,
+          "dimension_sets": [
+            {
+              "gpu": "10de:104a",
+              "os": "Windows-2008ServerR2-SP1"
+            }
+          ]
+        },
+        "test": "video_decode_accelerator_unittest",
+        "use_xvfb": false
       }
     ],
     "isolated_scripts": [
@@ -2283,6 +2296,19 @@
         },
         "test": "tab_capture_end2end_tests",
         "use_xvfb": false
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true,
+          "dimension_sets": [
+            {
+              "gpu": "10de:104a",
+              "os": "Windows-2008ServerR2-SP1"
+            }
+          ]
+        },
+        "test": "video_decode_accelerator_unittest",
+        "use_xvfb": false
       }
     ],
     "isolated_scripts": [