Cleanup SurfaceVisibility code.

cc/output/gl_renderer.cc

 // Copyright 2010 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 "cc/output/gl_renderer.h"
 
 #include <algorithm>
 #include <limits>
 #include <set>
 #include <string>
@@ skipping 377 matching lines @@
   CleanupSharedObjects();
 }
 
 const RendererCapabilitiesImpl& GLRenderer::Capabilities() const {
   return capabilities_;
 }
 
 void GLRenderer::DidChangeVisibility() {
   EnforceMemoryPolicy();
 
-  context_support_->SetSurfaceVisible(visible());
-
   // If we are not visible, we ask the context to aggressively free resources.
   context_support_->SetAggressivelyFreeResources(!visible());
 }
 
 void GLRenderer::ReleaseRenderPassTextures() { render_pass_textures_.clear(); }
 
 void GLRenderer::DiscardPixels() {
   if (!capabilities_.using_discard_framebuffer)
     return;
   bool using_default_framebuffer =
@@ skipping 3134 matching lines @@
       texture_id = pending_overlay_resources_.back()->texture_id();
     }
 
     context_support_->ScheduleOverlayPlane(
         overlay.plane_z_order, overlay.transform, texture_id,
         ToNearestRect(overlay.display_rect), overlay.uv_rect);
   }
 }
 
 }  // namespace cc