webkitpy: Remove WebKitFinder.path_to_script()

It can be replaced with path_from_tools_scripts().

BUG=710535

Review-Url: https://codereview.chromium.org/2849743003
Cr-Commit-Position: refs/heads/master@{#468260}

third_party/WebKit/Tools/Scripts/webkitpy/common/webkit_finder.py

@@ -117,12 +117,6 @@ class WebKitFinder(object):
     def path_from_blink_source(self, *comps):
         return self._filesystem.join(self._filesystem.join(self.webkit_base(), 'Source'), *comps)
 
-    def path_to_script(self, script_name):
-        """Returns the relative path to the script from the top of the WebKit tree."""
-        # This is intentionally relative in order to force callers to consider what
-        # their current working directory is (and change to the top of the tree if necessary).
-        return self._filesystem.join('Tools', 'Scripts', script_name)
-
     def path_from_tools_scripts(self, *comps):
         return self._filesystem.join(self._filesystem.join(self.webkit_base(), 'Tools', 'Scripts'), *comps)
 

third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/base.py

@@ -877,9 +877,6 @@ class Port(object):
     def path_from_chromium_base(self, *comps):
         return self._webkit_finder.path_from_chromium_base(*comps)
 
-    def path_to_script(self, script_name):
-        return self._webkit_finder.path_to_script(script_name)
-
     def layout_tests_dir(self):
         custom_layout_tests_dir = self.get_option('layout_tests_directory')
         if custom_layout_tests_dir:

third_party/WebKit/Tools/Scripts/webkitpy/w3c/wpt_expectations_updater.py

@@ -404,8 +404,7 @@ class WPTExpectationsUpdater(object):
         for test in tests_to_rebaseline:
             _log.info('  %s', test)
         if tests_to_rebaseline:
-            webkit_patch = self.host.filesystem.join(
-                self.finder.chromium_base(), self.finder.webkit_base(), self.finder.path_to_script('webkit-patch'))
+            webkit_patch = self.finder.path_from_tools_scripts('webkit-patch')
             self.host.executive.run_command([
                 'python',
                 webkit_patch,