Command to mark surface inactive, so gpu process can release resources.

content/renderer/gpu/renderer_gl_context.cc

 // Copyright (c) 2011 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 "content/renderer/gpu/renderer_gl_context.h"
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/lazy_instance.h"
 #include "base/memory/ref_counted.h"
@@ skipping 244 matching lines @@
 
 bool RendererGLContext::IsCommandBufferContextLost() {
   gpu::CommandBuffer::State state = command_buffer_->GetLastState();
   return state.error == gpu::error::kLostContext;
 }
 
 CommandBufferProxy* RendererGLContext::GetCommandBufferProxy() {
   return command_buffer_;
 }
 
+bool RendererGLContext::SetSurfaceVisible(bool visible) {
+  return GetCommandBufferProxy()->SetSurfaceVisible(visible);
+}
+
 // TODO(gman): Remove This
 void RendererGLContext::DisableShaderTranslation() {
   NOTREACHED();
 }
 
 gpu::gles2::GLES2Implementation* RendererGLContext::GetImplementation() {
   return gles2_implementation_;
 }
 
 RendererGLContext::RendererGLContext(GpuChannelHost* channel)
@@ skipping 174 matching lines @@
 void RendererGLContext::OnContextLost() {
   if (!context_lost_callback_.is_null()) {
     RendererGLContext::ContextLostReason reason = kUnknown;
     if (command_buffer_) {
       reason = ConvertReason(
           command_buffer_->GetLastState().context_lost_reason);
     }
     context_lost_callback_.Run(reason);
   }
 }