Moved http_client_appengine.py from ./common to ./gae_libs/http

appengine/findit/handlers/help_triage.py

Index: appengine/findit/handlers/help_triage.py
diff --git a/appengine/findit/handlers/help_triage.py b/appengine/findit/handlers/help_triage.py
index 294abfa87f71a7a3114cf8c25f754bad2edb4778..21197f30d710dfe1ea67f6441f2b4186421b00bf 100644
--- a/appengine/findit/handlers/help_triage.py
+++ b/appengine/findit/handlers/help_triage.py
@@ -4,8 +4,8 @@
 
 from common.base_handler import BaseHandler
 from common.base_handler import Permission
-from common.http_client_appengine import HttpClientAppengine as HttpClient
 from gae_libs.gitiles.cached_gitiles_repository import CachedGitilesRepository
+from gae_libs.http.http_client_appengine import HttpClientAppengine
 from model.wf_analysis import WfAnalysis
 from waterfall import buildbot
 from waterfall import build_util
@@ -39,7 +39,8 @@ def _AllFailedStepsPassed(passed_steps, current_failed_steps):
 def GetPossibleRevertInfoFromRevision(revision):
   """Parse message to get information of reverting and reverted cls."""
   git_repo = CachedGitilesRepository(
-      HttpClient(), 'https://chromium.googlesource.com/chromium/src.git')
+      HttpClientAppengine(),
+      'https://chromium.googlesource.com/chromium/src.git')
   change_log = git_repo.GetChangeLog(revision)
   if not change_log:  # pragma: no cover
     return {}