Add a presubmit script and pylintrc for content/test/gpu

content/test/gpu/gpu_tests/test_expectations.py

Index: content/test/gpu/gpu_tests/test_expectations.py
diff --git a/content/test/gpu/gpu_tests/test_expectations.py b/content/test/gpu/gpu_tests/test_expectations.py
index 7a70439e066c440ffb386f8730f4d37fb1eb931d..d8aa932cc9bd5e368e560616df5c5c07141e23c6 100644
--- a/content/test/gpu/gpu_tests/test_expectations.py
+++ b/content/test/gpu/gpu_tests/test_expectations.py
@@ -27,7 +27,7 @@ OS_CONDITIONS = ['win', 'mac', 'linux', 'chromeos', 'android'] + \
                 WIN_CONDITIONS + MAC_CONDITIONS
 
 BROWSER_TYPE_CONDITIONS = [
-    'android-webview-shell', 'android-content-shell', 'debug', 'release' ]
+    'android-webview-shell', 'android-content-shell', 'debug', 'release']
 
 class Expectation(object):
   """Represents a single test expectation for a page.
@@ -142,11 +142,11 @@ class TestExpectations(object):
     self._skip_matching_names = True
     for e in self._expectations:
       if self.ExpectationAppliesToPage(e, browser, page):
-        if (self._HasWildcardCharacters(e.pattern)):
+        if self._HasWildcardCharacters(e.pattern):
           self._expectations_with_wildcards.append(e)
         else:
           if e.pattern in self._expectations_by_pattern:
-            print "WARNING: Non-wildcard pattern collision for", pattern
+            print "WARNING: Non-wildcard pattern collision for", e.pattern
           self._expectations_by_pattern[e.pattern] = e
     self._built_expectation_cache = True
     self._skip_matching_names = False
@@ -168,7 +168,7 @@ class TestExpectations(object):
       url_path = components[2]
     # Chop any leading slash since the expectations used by this class
     # assume that.
-    if (url_path and url_path[0] == '/'):
+    if url_path and url_path[0] == '/':
       url_path = url_path[1:]
     # Python's urlsplit doesn't seem to handle query arguments for
     # file:// URLs properly. Split them off manually.