Removed implementation of CHROMIUM_subscribe_uniform

content/browser/renderer_host/render_process_host_impl.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 CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 22 matching lines @@
 
 namespace base {
 class CommandLine;
 class MessageLoop;
 }
 
 namespace gfx {
 class Size;
 }
 
-namespace gpu {
-class ValueStateMap;
-}
-
 namespace IPC {
 class ChannelMojoHost;
 }
 
 namespace content {
 class AudioInputRendererHost;
 class AudioRendererHost;
 class BluetoothDispatcherHost;
 class BrowserCdmManager;
 class BrowserDemuxerAndroid;
@@ skipping 100 matching lines @@
       bool outgoing,
       const WebRtcRtpPacketCallback& packet_callback) override;
 #endif
   void ResumeDeferredNavigation(const GlobalRequestID& request_id) override;
   void NotifyTimezoneChange(const std::string& timezone) override;
   ServiceRegistry* GetServiceRegistry() override;
   shell::Connection* GetChildConnection() override;
   std::unique_ptr<base::SharedPersistentMemoryAllocator> TakeMetricsAllocator()
       override;
   const base::TimeTicks& GetInitTimeForNavigationMetrics() const override;
-  bool SubscribeUniformEnabled() const override;
-  void OnAddSubscription(unsigned int target) override;
-  void OnRemoveSubscription(unsigned int target) override;
-  void SendUpdateValueState(
-      unsigned int target, const gpu::ValueState& state) override;
 #if defined(ENABLE_BROWSER_CDMS)
   scoped_refptr<media::MediaKeys> GetCdm(int render_frame_id,
                                          int cdm_id) const override;
 #endif
   bool IsProcessBackgrounded() const override;
   void IncrementWorkerRefCount() override;
   void DecrementWorkerRefCount() override;
 
   // IPC::Sender via RenderProcessHost.
   bool Send(IPC::Message* msg) override;
@@ skipping 314 matching lines @@
   base::TimeTicks survive_for_worker_start_time_;
 
   // Records the maximum # of workers simultaneously hosted in this process
   // for UMA.
   int max_worker_count_;
 
   // Context shared for each mojom::PermissionService instance created for this
   // RPH.
   std::unique_ptr<PermissionServiceContext> permission_service_context_;
 
-  // This is a set of all subscription targets valuebuffers in the GPU process
-  // are currently subscribed too. Used to prevent sending unnecessary
-  // ValueState updates.
-  typedef base::hash_set<unsigned int> SubscriptionSet;
-  SubscriptionSet subscription_set_;
-
-  // Maintains ValueStates which are not currently subscribed too so we can
-  // pass them to the GpuService if a Valuebuffer ever subscribes to the
-  // respective subscription target
-  scoped_refptr<gpu::ValueStateMap> pending_valuebuffer_state_;
-
-  // Whether or not the CHROMIUM_subscribe_uniform WebGL extension is enabled
-  bool subscribe_uniform_enabled_;
-
   // The memory allocator, if any, in which the renderer will write its metrics.
   std::unique_ptr<base::SharedPersistentMemoryAllocator> metrics_allocator_;
 
   bool channel_connected_;
   bool sent_render_process_ready_;
 
 #if defined(OS_ANDROID)
   // UI thread is the source of sync IPCs and all shutdown signals.
   // Therefore a proper shutdown event to unblock the UI thread is not
   // possible without massive refactoring shutdown code.
   // Luckily Android never performs a clean shutdown. So explicitly
   // ignore this problem.
   base::WaitableEvent never_signaled_;
 #endif
 
   std::string mojo_channel_token_;
   mojo::ScopedMessagePipeHandle in_process_renderer_handle_;
 
   base::WeakPtrFactory<RenderProcessHostImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderProcessHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_