command_buffer: Remove unused shared id code (GenSharedIdsCHROMIUM, ...)

gpu/command_buffer/service/context_group.h

Index: gpu/command_buffer/service/context_group.h
diff --git a/gpu/command_buffer/service/context_group.h b/gpu/command_buffer/service/context_group.h
index 163e7de3027cca2af2610b2289735bb48ee79def..ae4550cbda0dfc9397d8dafc271ae9afd94de580 100644
--- a/gpu/command_buffer/service/context_group.h
+++ b/gpu/command_buffer/service/context_group.h
@@ -21,7 +21,6 @@
 
 namespace gpu {
 
-class IdAllocatorInterface;
 class TransferBufferManagerInterface;
 
 namespace gles2 {
@@ -151,8 +150,6 @@ class GPU_EXPORT ContextGroup : public base::RefCounted<ContextGroup> {
     return transfer_buffer_manager_.get();
   }
 
-  IdAllocatorInterface* GetIdAllocator(unsigned namespace_id);
-
   uint32 GetMemRepresented() const;
 
   // Loses all the context associated with this group.
@@ -208,9 +205,6 @@ class GPU_EXPORT ContextGroup : public base::RefCounted<ContextGroup> {
 
   scoped_ptr<ShaderManager> shader_manager_;
 
-  linked_ptr<IdAllocatorInterface>
-      id_namespaces_[id_namespaces::kNumIdNamespaces];
-
   scoped_refptr<FeatureInfo> feature_info_;
 
   std::vector<base::WeakPtr<gles2::GLES2Decoder> > decoders_;