Stop SVNWrapper and GitWrapper from inheriting from scm.SVN and scm.GIT.

tests/gclient_scm_test.py

Index: tests/gclient_scm_test.py
diff --git a/tests/gclient_scm_test.py b/tests/gclient_scm_test.py
index 11033424bb86bf8425f01029f39ed7c26dea5157..9771dc55be03b4a2e60ddcb354d9f81f4f8e9a1e 100755
--- a/tests/gclient_scm_test.py
+++ b/tests/gclient_scm_test.py
@@ -58,11 +58,8 @@ class SVNWrapperTestCase(BaseTestCase):
 
   def testDir(self):
     members = [
-        'COMMAND', 'Capture', 'CaptureHeadRevision', 'CaptureInfo',
-        'CaptureStatus', 'DiffItem', 'GenerateDiff', 'GetCheckoutRoot',
-        'GetEmail', 'GetFileProperty', 'FullUrlForRelativeUrl', 'IsMoved',
-        'ReadSimpleAuth', 'Run', 'RunAndFilterOutput', 'RunAndGetFileList',
-        'RunCommand', 'cleanup', 'diff', 'export', 'pack', 'relpath', 'revert',
+        'FullUrlForRelativeUrl', 'RunCommand',
+        'cleanup', 'diff', 'export', 'pack', 'relpath', 'revert',
         'revinfo', 'runhooks', 'scm_name', 'status', 'update', 'url',
     ]
 
@@ -379,12 +376,7 @@ from :3
 
   def testDir(self):
     members = [
-        'COMMAND', 'AssertVersion', 'Capture', 'CaptureStatus',
-        'FetchUpstreamTuple',
-        'FullUrlForRelativeUrl', 'GenerateDiff', 'GetBranch', 'GetBranchRef',
-        'GetCheckoutRoot', 'GetDifferentFiles', 'GetEmail', 'GetPatchName',
-        'GetSVNBranch', 'GetUpstream', 'IsGitSvn', 'RunAndFilterOutput',
-        'ShortBranchName', 'RunCommand',
+        'FullUrlForRelativeUrl', 'RunCommand',
         'cleanup', 'diff', 'export', 'pack', 'relpath', 'revert',
         'revinfo', 'runhooks', 'scm_name', 'status', 'update', 'url',
     ]