Remove all references to GIT_MODE from depot_tools

recipe_modules/gclient/test_api.py

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import hashlib
 
 from recipe_engine import recipe_test_api
 
 class GclientTestApi(recipe_test_api.RecipeTestApi):
-  def output_json(self, projects, git_mode=False):
+  def output_json(self, projects):
     """Deterministically synthesize json.output test data for gclient's
     --output-json option.
 
     Args:
       projects - a list of project paths (e.g. ['src', 'src/dependency'])
-      git_mode - Return git hashes instead of svn revs.
     """
     # TODO(iannucci): Account for parent_got_revision_mapping. Right now the
     # synthesized json output from this method will always use
     # gen_revision(project), but if parent_got_revision and its ilk are
     # specified, we should use those values instead.
     return self.m.json.output({
       'solutions': dict(
-        (p+'/', {'revision': self.gen_revision(p, git_mode)})
+        (p+'/', {'revision': self.gen_revision(p)})
         for p in projects
       )
     })
 
   @staticmethod
-  def gen_revision(project, GIT_MODE):
+  def gen_revision(project):
     """Hash project to bogus deterministic revision values."""
     h = hashlib.sha1(project)
-    if GIT_MODE:
-      return h.hexdigest()
-    else:  # pragma: no cover
-      import struct
-      return struct.unpack('!I', h.digest()[:4])[0] % 300000
+    return h.hexdigest()