Expose gclient_paths via InputAPI.

The function we use with gclient_utils has moved to gclient_paths.
However, I am not sure gclient_utils is used by others or not.

Additional change:
- sorted testMembersChanged members for ease of understanding what is
  different.

Bug: 939959
Change-Id: I8b822e26afc73b39d2a33c5e07779c9c14cbd394
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/1521850
Commit-Queue: Yoshisato Yanagisawa <yyanagisawa@chromium.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Reviewed-by: Fumitoshi Ukai <ukai@chromium.org>

presubmit_support.py

@@ -44,7 +44,8 @@ from warnings import warn
 
 # Local imports.
 import fix_encoding
-import gclient_utils  # Exposed through the API
+import gclient_paths  # Exposed through the API
+import gclient_utils
 import git_footers
 import gerrit_util
 import owners
@@ -516,7 +517,7 @@ class InputApi(object):
     self.cpplint = cpplint
     self.cStringIO = cStringIO
     self.fnmatch = fnmatch
-    self.gclient_utils = gclient_utils
+    self.gclient_paths = gclient_paths
     self.glob = glob.glob
     self.json = json
     self.logging = logging.getLogger('PRESUBMIT')

tests/presubmit_unittest.py

@@ -173,23 +173,20 @@ class PresubmitUnittest(PresubmitTestsBase):
   def testMembersChanged(self):
     self.mox.ReplayAll()
     members = [
-      'AffectedFile', 'Change', 'DoPostUploadExecuter', 'DoPresubmitChecks',
-      'GetPostUploadExecuter', 'GitAffectedFile', 'CommandData',
-      'GitChange', 'InputApi', 'ListRelevantPresubmitFiles', 'main',
-      'OutputApi', 'ParseFiles',
-      'PresubmitFailure', 'PresubmitExecuter', 'PresubmitOutput', 'ScanSubDirs',
-      'SigintHandler', 'ThreadPool',
-      'ast', 'cPickle', 'cpplint', 'cStringIO', 'contextlib',
-      'canned_check_filter', 'fix_encoding', 'fnmatch', 'gclient_utils',
-      'git_footers', 'glob', 'inspect', 'json', 'load_files', 'logging',
-      'marshal', 'normpath', 'optparse', 'os', 'owners', 'owners_finder',
-      'pickle', 'presubmit_canned_checks', 'random', 're', 'scm',
-      'sigint_handler', 'signal',
-      'subprocess', 'sys', 'tempfile', 'threading',
-      'time', 'traceback', 'types', 'unittest',
-      'urllib2', 'warn', 'multiprocessing', 'DoGetTryMasters',
-      'GetTryMastersExecuter', 'itertools', 'urlparse', 'gerrit_util',
-      'GerritAccessor',
+        'AffectedFile', 'Change', 'CommandData', 'DoGetTryMasters',
+        'DoPostUploadExecuter', 'DoPresubmitChecks', 'GerritAccessor',
+        'GetPostUploadExecuter', 'GetTryMastersExecuter', 'GitAffectedFile',
+        'GitChange', 'InputApi', 'ListRelevantPresubmitFiles', 'OutputApi',
+        'ParseFiles', 'PresubmitExecuter', 'PresubmitFailure',
+        'PresubmitOutput', 'ScanSubDirs', 'SigintHandler', 'ThreadPool', 'ast',
+        'cPickle', 'cStringIO', 'canned_check_filter', 'contextlib', 'cpplint',
+        'fix_encoding', 'fnmatch', 'gclient_paths', 'gclient_utils',
+        'gerrit_util', 'git_footers', 'glob', 'inspect', 'itertools', 'json',
+        'load_files', 'logging', 'main', 'marshal', 'multiprocessing',
+        'normpath', 'optparse', 'os', 'owners', 'owners_finder', 'pickle',
+        'presubmit_canned_checks', 'random', 're', 'scm', 'sigint_handler',
+        'signal', 'subprocess', 'sys', 'tempfile', 'threading', 'time',
+        'traceback', 'types', 'unittest', 'urllib2', 'urlparse', 'warn'
     ]
     # If this test fails, you should add the relevant test.
     self.compareMembers(presubmit, members)
@@ -957,7 +954,7 @@ class InputApiUnittest(PresubmitTestsBase):
         'dry_run',
         'environ',
         'fnmatch',
-        'gclient_utils',
+        'gclient_paths',
         'gerrit',
         'glob',
         'is_committing',