Revert of Port WebGL extension availability tests to the integration test harness.

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 c722c86a80e84f3c59cc3b81c53bd778c1b023f8..695d99f2da48fb529e29f81c75efe14d2540deda 100644
--- a/content/test/gpu/gpu_tests/test_expectations.py
+++ b/content/test/gpu/gpu_tests/test_expectations.py
@@ -89,16 +89,12 @@
 class TestExpectations(object):
   """A class which defines the expectations for a page set test execution"""
 
-  def __init__(self, url_prefixes=None):
+  def __init__(self):
     self._expectations = []
-    self._url_prefixes = []
     self._skip_matching_names = False
     self._built_expectation_cache = True
     self._ClearExpectationsCache()
     self.SetExpectations()
-    if url_prefixes:
-      for p in url_prefixes:
-        self._url_prefixes.append(p)
 
   def SetExpectations(self):
     """Called on creation. Override to set up custom expectations."""
@@ -181,13 +177,6 @@
     query_index = url_path.find('?')
     if query_index > 0:
       url_path = url_path[0:query_index]
-    # Look for the URL prefixes specified at construction time, and
-    # trim the first one found, if any.
-    if self._url_prefixes:
-      for p in self._url_prefixes:
-        if url_path.startswith(p):
-          url_path = url_path[len(p):]
-          break
     return url_path
 
   def _GetExpectationObjectForPage(self, browser, page):