[Findit] Fetch DEPS from buildspec/ instead of trunk for chrome official builds.

appengine/findit/common/git_repository.py

Index: appengine/findit/common/git_repository.py
diff --git a/appengine/findit/common/git_repository.py b/appengine/findit/common/git_repository.py
index a1fb155b28606fbc067ee7988e9f5548ccb135f2..cb3a5cd06ff07e37914d9c7a7ac4da2d0c91bd60 100644
--- a/appengine/findit/common/git_repository.py
+++ b/appengine/findit/common/git_repository.py
@@ -44,7 +44,7 @@ class GitRepository(Repository):
     return self.repo_url
 
   @Cached(namespace='Gitiles-json-view', expire_time=CACHE_EXPIRE_TIME_SECONDS)
-  def _SendRequestForJsonResponse(self, url, params=None):
+  def _SendRequestForJsonResponse(self, url, params=None, headers=None):

[stgao, 2016/05/05 21:02:47]

It seems not clean for the GitRepository to know about http headers which should
be handled by HttpClient.

[Sharu Jiang, 2016/05/05 23:03:45]

Done.

     if params is None:  # pragma: no cover
       params = {}
     params['format'] = 'json'
@@ -52,7 +52,7 @@ class GitRepository(Repository):
     # Gerrit prepends )]}' to json-formatted response.
     prefix = ')]}\'\n'
 
-    status_code, content = self.http_client.Get(url, params)
+    status_code, content = self.http_client.Get(url, params, headers=headers)
     if status_code != 200:
       return None
     elif not content or not content.startswith(prefix):
@@ -61,8 +61,9 @@ class GitRepository(Repository):
     return json.loads(content[len(prefix):])
 
   @Cached(namespace='Gitiles-text-view', expire_time=CACHE_EXPIRE_TIME_SECONDS)
-  def _SendRequestForTextResponse(self, url):
-    status_code, content = self.http_client.Get(url, {'format': 'text'})
+  def _SendRequestForTextResponse(self, url, headers=None):
+    status_code, content = self.http_client.Get(url, {'format': 'text'},
+                                                headers=headers)
     if status_code != 200:
       return None
     return base64.b64decode(content)
@@ -257,3 +258,11 @@ class GitRepository(Repository):
       changelogs.append(changelog)
 
     return changelogs
+
+  def GetRevisionForChromeVersion(self, version):
+    """Gets the githash revision of a chrome version."""
+    changelog = self.GetChangeLog(version)
+    if not changelog:
+      return None
+
+    return changelog.revision