GLRenderer should regularly call ResourcePool::CheckBusyResources.

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 <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 3787 matching lines @@
   } else {
     gl_->Disable(GL_SCISSOR_TEST);
   }
 }
 
 bool GLRenderer::IsContextLost() {
   return gl_->GetGraphicsResetStatusKHR() != GL_NO_ERROR;
 }
 
 void GLRenderer::ScheduleCALayers(DrawingFrame* frame) {
+  if (overlay_resource_pool_) {
+    overlay_resource_pool_->CheckBusyResources();
+  }
+
   scoped_refptr<CALayerOverlaySharedState> shared_state;
   size_t copied_render_pass_count = 0;
   for (const CALayerOverlay& ca_layer_overlay : frame->ca_layer_overlay_list) {
     if (ca_layer_overlay.rpdq) {
       ScheduleRenderPassDrawQuad(&ca_layer_overlay, frame);
       shared_state = nullptr;
       ++copied_render_pass_count;
       continue;
     }
 
@@ skipping 242 matching lines @@
 
   gl_->ScheduleCALayerSharedStateCHROMIUM(
       ca_layer_overlay->shared_state->opacity, is_clipped, clip_rect,
       sorting_context_id, gl_transform);
   gl_->ScheduleCALayerCHROMIUM(
       texture_id, contents_rect, ca_layer_overlay->background_color,
       ca_layer_overlay->edge_aa_mask, bounds_rect, filter);
 }
 
 }  // namespace cc