Refactor client visibility handling

gpu/command_buffer/client/gles2_implementation.cc

 // 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.
 
 // A class to emulate GLES2 over command buffers.
 
 #include "gpu/command_buffer/client/gles2_implementation.h"
 
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
@@ skipping 5843 matching lines @@
 
 uint64_t GLES2Implementation::ShareGroupTracingGUID() const {
   return share_group_->TracingGUID();
 }
 
 void GLES2Implementation::SetErrorMessageCallback(
     const base::Callback<void(const char*, int32_t)>& callback) {
   error_message_callback_ = callback;
 }
 
-void GLES2Implementation::SetClientVisible(int client_id, bool is_visible) {
-  if (is_visible) {
-    visible_clients_.insert(client_id);
-  } else {
-    auto found = visible_clients_.find(client_id);
-    if (found != visible_clients_.end())
-      visible_clients_.erase(found);
-  }
-}
-
-bool GLES2Implementation::AnyClientsVisible() const {
-  return !visible_clients_.empty();
-}
-
 void GLES2Implementation::SetLostContextCallback(
     const base::Closure& callback) {
   lost_context_callback_ = callback;
 }
 
 GLuint64 GLES2Implementation::InsertFenceSyncCHROMIUM() {
   const uint64_t release = gpu_control_->GenerateFenceSyncRelease();
   helper_->InsertFenceSyncCHROMIUM(release);
   return release;
 }
@@ skipping 1021 matching lines @@
   cached_extensions_.clear();
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "gpu/command_buffer/client/gles2_implementation_impl_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu