Dynamically generate a heading for Extension Docs API pages

chrome/common/extensions/docs/server2/template_data_source_test.py

Index: chrome/common/extensions/docs/server2/template_data_source_test.py
diff --git a/chrome/common/extensions/docs/server2/template_data_source_test.py b/chrome/common/extensions/docs/server2/template_data_source_test.py
index 9a5d438725d00b406b1f919829abfd619d6385d6..5cde75fdb31fd2a0f515e1c549cad2c6d4b9756f 100755
--- a/chrome/common/extensions/docs/server2/template_data_source_test.py
+++ b/chrome/common/extensions/docs/server2/template_data_source_test.py
@@ -39,6 +39,12 @@ class TemplateDataSourceTest(unittest.TestCase):
     self._fake_intro_data_source_factory = _FakeFactory()
     self._fake_samples_data_source_factory = _FakeFactory()
     self._fake_sidenav_data_source_factory = _FakeFactory()
+    self._fake_channel_data = [
+      { 'name': 'a', 'branch': '11', 'version': '1' },
+      { 'name': 'b', 'branch': '22', 'version': '2' },
+      { 'name': 'c', 'branch': '33', 'version': '3' },
+      { 'name': 'd', 'branch': '44', 'version': '4' }
+    ]
 
   def _ReadLocalFile(self, filename):
     with open(os.path.join(self._base_path, filename), 'r') as f:
@@ -52,8 +58,12 @@ class TemplateDataSourceTest(unittest.TestCase):
         data_source.Render(template_name))
 
   def _CreateTemplateDataSource(self, compiled_fs_factory, api_data=None):
+    fake_avail_factory = _FakeFactory()
     if api_data is None:
-      api_data_factory = APIDataSource.Factory(compiled_fs_factory, 'fake_path')
+      api_data_factory = APIDataSource.Factory(compiled_fs_factory,
+                                               'fake_path',
+                                               fake_avail_factory,
+                                               {}) # Unnecessary file system
     else:
       api_data_factory = _FakeFactory(api_data)
     reference_resolver_factory = ReferenceResolver.Factory(