add recipe continuous builders for each repo with recipes

masters/master.chromium.infra/master.cfg

Index: masters/master.chromium.infra/master.cfg
diff --git a/masters/master.chromium.infra/master.cfg b/masters/master.chromium.infra/master.cfg
index ca3137b1ee5fcc9df7acd9c82aba7aeda23ea550..d4999109490430cd7f4aa5da99196dccfed9e804 100644
--- a/masters/master.chromium.infra/master.cfg
+++ b/masters/master.chromium.infra/master.cfg
@@ -32,12 +32,15 @@ c['status'] = []
 f_annotations = annotator_factory.AnnotatorFactory(ActiveMaster)
 
 def m_remote_run(recipe, **kwargs):
+  props = {'path_config': 'kitchen'}
+  props.update(kwargs.pop('properties', {})
   return remote_run_factory.RemoteRunFactory(
-      active_master=ActiveMaster,
-      repository='https://chromium.googlesource.com/infra/infra.git',
-      recipe=recipe,
-      factory_properties={'path_config': 'kitchen'},
-      **kwargs)
+    active_master=ActiveMaster,
+    repository=kwargs.pop(
+      'repository', 'https://chromium.googlesource.com/infra/infra.git'),
+    recipe=recipe,
+    factory_properties=props,
+    **kwargs)
 
 revision_getter = master_utils.ConditionalProperty(
     lambda build: build.getProperty('revision'),
@@ -58,6 +61,7 @@ LUCI_GAE_REPO_URL = (
 RECIPES_PY_REPO_URL = (
     'https://chromium.googlesource.com/external/github.com/luci/recipes-py')
 DEPOT_TOOLS_URL = 'https://chromium.googlesource.com/chromium/tools/depot_tools'
+TOOLS_BUILD_URL = 'https://chromium.googlesource.com/chromium/tools/build'
 CHROMIUM_REPO_URL = 'https://chromium.googlesource.com/chromium/src'
 
 c['change_source'].extend([
@@ -187,6 +191,27 @@ c['builders'].extend([
     'category': 'recipes-py',
   },
   {
+    'name': 'recipe_engine-recipes-tests',
+    'factory': m_remote_run(
+      'infra/recipe_simulation', repository=TOOLS_BUILD_URL,
+      properties={'repo_under_test': 'recipe_engine'}),
+    'category': 'recipes-continuous',
+  },
+  {
+    'name': 'build-recipes-tests',
+    'factory': m_remote_run(
+      'infra/recipe_simulation', repository=TOOLS_BUILD_URL,
+      properties={'repo_under_test': 'build'}),
+    'category': 'recipes-continuous',
+  },
+  {
+    'name': 'depot_tools-recipes-tests',
+    'factory': m_remote_run(
+      'infra/recipe_simulation', repository=TOOLS_BUILD_URL,
+      properties={'repo_under_test': 'depot_tools'}),
+    'category': 'recipes-continuous',
+  },
+  {
     'name': 'depot_tools zip uploader',
     'slavebuilddir': 'depot_tools_uploader',
     'factory': m_remote_run('depot_tools_builder'),