Added support for properly building and running isolates in recipes.

scripts/slave/recipes/gpu/download_and_test.py

Index: scripts/slave/recipes/gpu/download_and_test.py
diff --git a/scripts/slave/recipes/gpu/download_and_test.py b/scripts/slave/recipes/gpu/download_and_test.py
index 50bc384546df9c6275ba6c75e73f99f381bcea8f..95c326ff7dbf11259608eee6517164a64ce1a30b 100644
--- a/scripts/slave/recipes/gpu/download_and_test.py
+++ b/scripts/slave/recipes/gpu/download_and_test.py
@@ -35,17 +35,22 @@ def GenTests(api):
   # Keep the additional properties in sync with the build_and_upload
   # recipe in order to catch regressions.
   for plat in ['win', 'mac', 'linux']:
-    yield (
-      api.test('%s_release' % plat) +
-      api.properties.scheduled(
-        build_config='Release',
-        mastername='chromium.gpu.testing',
-        buildername='%s tester' % plat,
-        buildnumber=776,
-        parent_buildername='%s builder' % plat,
-        parent_buildnumber=571,
-        parent_got_revision=160000,
-        parent_got_webkit_revision=10000,
-      ) +
-      api.platform.name(plat)
-    )
+    for flavor in ['Debug', 'Release']:
+      flavor_lower = flavor.lower()
+      yield (
+        api.test('%s_%s' % (plat, flavor_lower)) +
+        api.properties.scheduled(
+          build_config=flavor,
+          mastername='chromium.gpu.testing',
+          buildername='%s %s tester' % (plat, flavor_lower),
+          buildnumber=776,
+          parent_buildername='%s %s builder' % (plat, flavor_lower),
+          parent_buildnumber=571,
+          parent_got_revision=160000,
+          parent_got_webkit_revision=10000,
+          # These would ordinarily be generated during the build step.
+          swarm_hashes=dict(
+            gl_tests='6e784864abbeeff7499c15f75b904851d633c187'),
+          ) +
+        api.platform.name(plat)
+      )