Split image decode cache limits into "working set" vs "cache" limits

cc/trees/layer_tree_host_impl.cc

 // Copyright 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 "cc/trees/layer_tree_host_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 2156 matching lines @@
 }
 
 void LayerTreeHostImpl::CreateTileManagerResources() {
   CreateResourceAndRasterBufferProvider(&raster_buffer_provider_,
                                         &resource_pool_);
 
   if (use_gpu_rasterization_) {
     image_decode_cache_ = base::MakeUnique<GpuImageDecodeCache>(
         compositor_frame_sink_->worker_context_provider(),
         settings_.renderer_settings.preferred_tile_format,
-        settings_.gpu_decoded_image_budget_bytes);
+        settings_.decoded_image_working_set_budget_bytes,
+        settings_.decoded_image_cache_budget_bytes);
   } else {
     image_decode_cache_ = base::MakeUnique<SoftwareImageDecodeCache>(
         settings_.renderer_settings.preferred_tile_format,
-        settings_.software_decoded_image_budget_bytes);
+        settings_.decoded_image_working_set_budget_bytes);
   }
 
   // Pass the single-threaded synchronous task graph runner to the worker pool
   // if we're in synchronous single-threaded mode.
   TaskGraphRunner* task_graph_runner = task_graph_runner_;
   if (is_synchronous_single_threaded_) {
     DCHECK(!single_thread_synchronous_task_graph_runner_);
     single_thread_synchronous_task_graph_runner_.reset(
         new SynchronousTaskGraphRunner);
     task_graph_runner = single_thread_synchronous_task_graph_runner_.get();
@@ skipping 1994 matching lines @@
       worker_context_visibility_ =
           worker_context->CacheController()->ClientBecameVisible();
     } else {
       worker_context->CacheController()->ClientBecameNotVisible(
           std::move(worker_context_visibility_));
     }
   }
 }
 
 }  // namespace cc