FeatureInfo: Remove allowed_extensions and init workarounds early

gpu/command_buffer/service/context_group.h

 // Copyright (c) 2012 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.
 
 #ifndef GPU_COMMAND_BUFFER_SERVICE_CONTEXT_GROUP_H_
 #define GPU_COMMAND_BUFFER_SERVICE_CONTEXT_GROUP_H_
 
 #include <string>
 #include <vector>
 #include "base/basictypes.h"
@@ skipping 36 matching lines @@
       MailboxManager* mailbox_manager,
       ImageManager* image_manager,
       MemoryTracker* memory_tracker,
       StreamTextureManager* stream_texture_manager,
       bool bind_generates_resource);
 
   // This should only be called by GLES2Decoder. This must be paired with a
   // call to destroy if it succeeds.
   bool Initialize(
       GLES2Decoder* decoder,
-      const DisallowedFeatures& disallowed_features,
-      const char* allowed_features);
+      const DisallowedFeatures& disallowed_features);
 
   // Destroys all the resources when called for the last context in the group.
   // It should only be called by GLES2Decoder.
   void Destroy(GLES2Decoder* decoder, bool have_context);
 
   MailboxManager* mailbox_manager() const {
     return mailbox_manager_.get();
   }
 
   ImageManager* image_manager() const {
@@ skipping 157 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(ContextGroup);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_CONTEXT_GROUP_H_