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

content/test/gpu/gpu_tests/webgl_conformance_integration_test.py

Index: content/test/gpu/gpu_tests/webgl_conformance_integration_test.py
diff --git a/content/test/gpu/gpu_tests/webgl_conformance_integration_test.py b/content/test/gpu/gpu_tests/webgl_conformance_integration_test.py
index 303ea2a16682a91a5ee0a0083bf93d420eb916a2..500e000f4c27859b230dfd2f56f393b331f56dc4 100644
--- a/content/test/gpu/gpu_tests/webgl_conformance_integration_test.py
+++ b/content/test/gpu/gpu_tests/webgl_conformance_integration_test.py
@@ -2,34 +2,11 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-import os
-
 from gpu_tests import gpu_integration_test
-from gpu_tests import path_util
 from gpu_tests import webgl_conformance
 from gpu_tests import webgl_conformance_expectations
 from gpu_tests import webgl2_conformance_expectations
 
-conformance_relcomps = (
-  'third_party', 'webgl', 'src', 'sdk', 'tests')
-
-extensions_relcomps = (
-    'content', 'test', 'data', 'gpu')
-
-conformance_relpath = os.path.join(*conformance_relcomps)
-extensions_relpath = os.path.join(*extensions_relcomps)
-
-# These URL prefixes are needed because having more than one static
-# server dir is causing the base server directory to be moved up the
-# directory hierarchy.
-url_prefixes_to_trim = [
-  '/'.join(conformance_relcomps) + '/',
-  '/'.join(extensions_relcomps) + '/'
-]
-
-extension_harness_additional_script = r"""
-  window.onload = function() { window._loaded = true; }
-"""
 
 class WebGLConformanceIntegrationTest(gpu_integration_test.GpuIntegrationTest):
 
@@ -50,9 +27,6 @@
 
   @classmethod
   def GenerateGpuTests(cls, options):
-    #
-    # Conformance tests
-    #
     test_paths = webgl_conformance.WebglConformance._ParseTests(
         '00_test_list.txt',
         options.webgl_conformance_version,
@@ -64,127 +38,16 @@
       # generated test name cannot contain '.'
       name = webgl_conformance.GenerateTestNameFromTestPath(test_path).replace(
           '.', '_')
-      yield (name,
-             os.path.join(conformance_relpath, test_path),
-             ('_RunConformanceTest'))
-
-    #
-    # Extension tests
-    #
-    extension_tests = cls._GetExtensionList()
-    # Coverage test.
-    yield('WebglExtension_TestCoverage',
-          os.path.join(extensions_relpath, 'webgl_extension_test.html'),
-          ('_RunExtensionCoverageTest',
-           extension_tests,
-           cls._webgl_version))
-    # Individual extension tests.
-    for extension in extension_tests:
-      yield('WebglExtension_%s' % extension,
-            os.path.join(extensions_relpath, 'webgl_extension_test.html'),
-            ('_RunExtensionTest',
-             extension,
-             cls._webgl_version))
-
-  @classmethod
-  def _GetExtensionList(cls):
-    if cls._webgl_version == 1:
-      return [
-        'ANGLE_instanced_arrays',
-        'EXT_blend_minmax',
-        'EXT_disjoint_timer_query',
-        'EXT_frag_depth',
-        'EXT_shader_texture_lod',
-        'EXT_sRGB',
-        'EXT_texture_filter_anisotropic',
-        'OES_element_index_uint',
-        'OES_standard_derivatives',
-        'OES_texture_float',
-        'OES_texture_float_linear',
-        'OES_texture_half_float',
-        'OES_texture_half_float_linear',
-        'OES_vertex_array_object',
-        'WEBGL_compressed_texture_astc',
-        'WEBGL_compressed_texture_atc',
-        'WEBGL_compressed_texture_etc1',
-        'WEBGL_compressed_texture_pvrtc',
-        'WEBGL_compressed_texture_s3tc',
-        'WEBGL_compressed_texture_s3tc_srgb',
-        'WEBGL_debug_renderer_info',
-        'WEBGL_debug_shaders',
-        'WEBGL_depth_texture',
-        'WEBGL_draw_buffers',
-        'WEBGL_lose_context',
-      ]
-    else:
-      return [
-        'EXT_color_buffer_float',
-        'EXT_disjoint_timer_query',
-        'EXT_texture_filter_anisotropic',
-        'OES_texture_float_linear',
-        'WEBGL_compressed_texture_astc',
-        'WEBGL_compressed_texture_atc',
-        'WEBGL_compressed_texture_es3_0',
-        'WEBGL_compressed_texture_etc1',
-        'WEBGL_compressed_texture_pvrtc',
-        'WEBGL_compressed_texture_s3tc',
-        'WEBGL_compressed_texture_s3tc_srgb',
-        'WEBGL_debug_renderer_info',
-        'WEBGL_debug_shaders',
-        'WEBGL_lose_context',
-      ]
+      yield (name, test_path, ())
 
   def RunActualGpuTest(self, test_path, *args):
-    # This indirection allows these tests to trampoline through
-    # _RunGpuTest.
-    test_name = args[0]
-    getattr(self, test_name)(test_path, *args[1:])
-
-  def _NavigateTo(self, test_path, harness_script):
     url = self.UrlOfStaticFilePath(test_path)
+    harness_script = webgl_conformance.conformance_harness_script
     self.tab.Navigate(url, script_to_evaluate_on_commit=harness_script)
-
-  def _CheckTestCompletion(self):
     self.tab.action_runner.WaitForJavaScriptCondition(
         'webglTestHarness._finished', timeout_in_seconds=300)
     if not webgl_conformance._DidWebGLTestSucceed(self.tab):
       self.fail(webgl_conformance._WebGLTestMessages(self.tab))
-
-  def _RunConformanceTest(self, test_path, *args):
-    self._NavigateTo(test_path, webgl_conformance.conformance_harness_script)
-    self._CheckTestCompletion()
-
-
-  def _GetExtensionHarnessScript(self):
-    return (webgl_conformance.conformance_harness_script +
-            extension_harness_additional_script)
-
-  def _RunExtensionCoverageTest(self, test_path, *args):
-    self._NavigateTo(test_path, self._GetExtensionHarnessScript())
-    self.tab.action_runner.WaitForJavaScriptCondition(
-        'window._loaded', timeout_in_seconds=300)
-    extension_list = args[0]
-    webgl_version = args[1]
-    context_type = "webgl2" if webgl_version == 2 else "webgl"
-    extension_list_string = "["
-    for extension in extension_list:
-      extension_list_string = extension_list_string + extension + ", "
-    extension_list_string = extension_list_string + "]"
-    self.tab.action_runner.EvaluateJavaScript(
-      'checkSupportedExtensions("%s", "%s")' % (
-        extension_list_string, context_type))
-    self._CheckTestCompletion()
-
-  def _RunExtensionTest(self, test_path, *args):
-    self._NavigateTo(test_path, self._GetExtensionHarnessScript())
-    self.tab.action_runner.WaitForJavaScriptCondition(
-        'window._loaded', timeout_in_seconds=300)
-    extension = args[0]
-    webgl_version = args[1]
-    context_type = "webgl2" if webgl_version == 2 else "webgl"
-    self.tab.action_runner.EvaluateJavaScript(
-      'checkExtension("%s", "%s")' % (extension, context_type))
-    self._CheckTestCompletion()
 
   @classmethod
   def CustomizeOptions(cls):
@@ -201,10 +64,10 @@
     assert cls._webgl_version == 1 or cls._webgl_version == 2
     if cls._webgl_version == 1:
       return webgl_conformance_expectations.WebGLConformanceExpectations(
-          webgl_conformance.conformance_path, url_prefixes=url_prefixes_to_trim)
+          webgl_conformance.conformance_path)
     else:
       return webgl2_conformance_expectations.WebGL2ConformanceExpectations(
-          webgl_conformance.conformance_path, url_prefixes=url_prefixes_to_trim)
+          webgl_conformance.conformance_path)
 
   @classmethod
   def setUpClass(cls):
@@ -212,9 +75,4 @@
     cls.CustomizeOptions()
     cls.SetBrowserOptions(cls._finder_options)
     cls.StartBrowser()
-    # By setting multiple server directories, the root of the server
-    # implicitly becomes the common base directory, i.e., the Chromium
-    # src dir, and all URLs have to be specified relative to that.
-    cls.SetStaticServerDirs([
-      os.path.join(path_util.GetChromiumSrcDir(), conformance_relpath),
-      os.path.join(path_util.GetChromiumSrcDir(), extensions_relpath)])
+    cls.SetStaticServerDirs([webgl_conformance.conformance_path])