Dynamically generate a heading for Extension Docs API pages

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

Index: chrome/common/extensions/docs/server2/server_instance.py
diff --git a/chrome/common/extensions/docs/server2/server_instance.py b/chrome/common/extensions/docs/server2/server_instance.py
index 7f3e6cd01ba1a5a3b4ae27e0020db2fa1d4449f4..df375a166711cbb69dbcbce3236dd1da646f324c 100644
--- a/chrome/common/extensions/docs/server2/server_instance.py
+++ b/chrome/common/extensions/docs/server2/server_instance.py
@@ -13,8 +13,10 @@ from api_list_data_source import APIListDataSource
 from appengine_blobstore import AppEngineBlobstore
 from appengine_url_fetcher import AppEngineUrlFetcher
 from appengine_wrappers import GetAppVersion, IsDevServer
+from availability_data_source import AvailabilityDataSource
 from branch_utility import BranchUtility
 from caching_file_system import CachingFileSystem
+from chrome_version_utility import ChromeVersionUtility
 from compiled_file_system import CompiledFileSystem
 from empty_dir_file_system import EmptyDirFileSystem
 from example_zipper import ExampleZipper
@@ -56,7 +58,7 @@ class ServerInstance(object):
     setting up the subversion nor github file systems.
     '''
     branch_utility = ServerInstance._GetOrCreateBranchUtility()
-    branch = branch_utility.GetBranchNumberForChannelName(channel)
+    branch = branch_utility.GetChannelInfoForChannelName(channel)['branch']
     object_store_creator_factory = ObjectStoreCreator.Factory(GetAppVersion(),
                                                               branch)
     # No svn nor github file systems. Rely on the crons to fill the caches, and
@@ -78,7 +80,7 @@ class ServerInstance(object):
     subversion/github resources are queried.
     '''
     branch_utility = ServerInstance._GetOrCreateBranchUtility()
-    branch = branch_utility.GetBranchNumberForChannelName(channel)
+    branch = branch_utility.GetChannelInfoForChannelName(channel)['branch']
 
     if branch == 'trunk':
       svn_url = '/'.join((url_constants.SVN_TRUNK_URL,
@@ -148,6 +150,16 @@ class ServerInstance(object):
         svn_file_system,
         object_store_creator_factory)
 
+    self.chrome_version_utility = ChromeVersionUtility(
+        url_constants.OMAHA_DEV_HISTORY,
+        AppEngineUrlFetcher(None),
+        object_store_creator_factory)
+
+    self.availability_data_source_factory = AvailabilityDataSource.Factory(
+        self.chrome_version_utility,
+        object_store_creator_factory,
+        svn_file_system)
+
     self.api_list_data_source_factory = APIListDataSource.Factory(
         self.compiled_fs_factory,
         svn_constants.API_PATH,
@@ -155,7 +167,9 @@ class ServerInstance(object):
 
     self.api_data_source_factory = APIDataSource.Factory(
         self.compiled_fs_factory,
-        svn_constants.API_PATH)
+        svn_constants.API_PATH,
+        self.availability_data_source_factory,
+        svn_file_system)
 
     self.ref_resolver_factory = ReferenceResolver.Factory(
         self.api_data_source_factory,