Remove layout_tests_mover.py and obsolete local commit param.

BUG=593910

Review URL: https://codereview.chromium.org/1809283002

Cr-Commit-Position: refs/heads/master@{#381858}

third_party/WebKit/Tools/Scripts/webkitpy/common/checkout/scm/git.py

@@ -265,10 +265,8 @@ class Git(SCM):
             raise ScriptError(message="Can't find a branch to diff against. %s does not exist" % remote_master_ref)
         return remote_master_ref
 
-    def commit_locally_with_message(self, message, commit_all_working_directory_changes=True):
-        command = ['commit', '-F', '-']
-        if commit_all_working_directory_changes:
-            command.insert(1, '--all')
+    def commit_locally_with_message(self, message):
+        command = ['commit', '--all', '-F', '-']
         self._run_git(command, input=message)
 
     # These methods are git specific and are meant to provide support for the Git oriented workflow

third_party/WebKit/Tools/Scripts/webkitpy/common/checkout/scm/scm.py

@@ -136,6 +136,6 @@ class SCM:
     def supports_local_commits():
         SCM._subclass_must_implement()
 
-    def commit_locally_with_message(self, message, commit_all_working_directory_changes=True):
+    def commit_locally_with_message(self, message):
         _log.error("Your source control manager does not support local commits.")
         sys.exit(1)

third_party/WebKit/Tools/Scripts/webkitpy/common/checkout/scm/scm_mock.py

@@ -92,8 +92,8 @@ class MockSCM(object):
     def timestamp_of_revision(self, path, revision):
         return '2013-02-01 08:48:05 +0000'
 
-    def commit_locally_with_message(self, message, commit_all_working_directory_changes=True):
-        self._local_commits.append([message, commit_all_working_directory_changes])
+    def commit_locally_with_message(self, message):
+        self._local_commits.append([message])
         pass
 
     def local_commits(self):