Disabled extensions in bug list now automatically removes the extension.

ui/gl/gl_api_unittest.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gl/gl_gl_api_implementation.h"
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_switches.h"
@@ skipping 24 matching lines @@
     num_fake_extension_strings_ = 0;
     fake_extension_strings_ = nullptr;
   }
 
   void InitializeAPI(base::CommandLine* command_line) {
     api_.reset(new RealGLApi());
     if (command_line)
       api_->InitializeWithCommandLine(driver_.get(), command_line);
     else
       api_->Initialize(driver_.get());
+    api_->InitializeWithContext();
   }
 
   void SetFakeExtensionString(const char* fake_string) {
     SetGLImplementation(kGLImplementationDesktopGL);
     fake_extension_string_ = fake_string;
   }
 
   void SetFakeExtensionStrings(const char** fake_strings, uint32_t count) {
     SetGLImplementation(kGLImplementationDesktopGLCoreProfile);
     num_fake_extension_strings_ = count;
@@ skipping 89 matching lines @@
                                  kFakeDisabledExtensions);
   InitializeAPI(&command_line);
 
   EXPECT_EQ(arraysize(kFilteredExtensions), GetNumExtensions());
   for (uint32_t i = 0; i < arraysize(kFilteredExtensions); ++i) {
     EXPECT_STREQ(kFilteredExtensions[i], GetExtensioni(i));
   }
 }
 
 }  // namespace gpu