Revert of cc: Remove WorkerPool class and instead use TaskGraphRunner directly.

content/renderer/render_thread_impl.cc

 // 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.
 
 #include "content/renderer/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <vector>
@@ skipping 10 matching lines @@
 #include "base/metrics/stats_table.h"
 #include "base/path_service.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_tokenizer.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_local.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/values.h"
 #include "cc/base/switches.h"
-#include "cc/resources/raster_worker_pool.h"
+#include "cc/resources/worker_pool.h"
 #include "content/child/appcache/appcache_dispatcher.h"
 #include "content/child/appcache/appcache_frontend_impl.h"
 #include "content/child/child_histogram_message_filter.h"
 #include "content/child/db_message_filter.h"
 #include "content/child/indexed_db/indexed_db_dispatcher.h"
 #include "content/child/indexed_db/indexed_db_message_filter.h"
 #include "content/child/npapi/npobject_util.h"
 #include "content/child/plugin_messages.h"
 #include "content/child/resource_dispatcher.h"
 #include "content/child/runtime_features.h"
@@ skipping 394 matching lines @@
   base::DiscardableMemory::SetPreferredType(type);
 
   // Allow discardable memory implementations to register memory pressure
   // listeners.
   base::DiscardableMemory::RegisterMemoryPressureListeners();
 
   // AllocateGpuMemoryBuffer must be used exclusively on one thread but
   // it doesn't have to be the same thread RenderThreadImpl is created on.
   allocate_gpu_memory_buffer_thread_checker_.DetachFromThread();
 
-  if (command_line.HasSwitch(switches::kNumRasterThreads)) {
+  if (command_line.HasSwitch(cc::switches::kNumRasterThreads)) {
     int num_raster_threads;
     std::string string_value =
-        command_line.GetSwitchValueASCII(switches::kNumRasterThreads);
+        command_line.GetSwitchValueASCII(cc::switches::kNumRasterThreads);
     if (base::StringToInt(string_value, &num_raster_threads) &&
         num_raster_threads >= kMinRasterThreads &&
         num_raster_threads <= kMaxRasterThreads) {
-      cc::RasterWorkerPool::SetNumRasterThreads(num_raster_threads);
+      cc::WorkerPool::SetNumRasterThreads(num_raster_threads);
     } else {
       LOG(WARNING) << "Failed to parse switch " <<
-                      switches::kNumRasterThreads  << ": " << string_value;
+                      cc::switches::kNumRasterThreads  << ": " << string_value;
     }
   }
 
   TRACE_EVENT_END_ETW("RenderThreadImpl::Init", 0, "");
 }
 
 RenderThreadImpl::~RenderThreadImpl() {
 }
 
 void RenderThreadImpl::Shutdown() {
@@ skipping 965 matching lines @@
   hidden_widget_count_--;
 
   if (!GetContentClient()->renderer()->RunIdleHandlerWhenWidgetsHidden()) {
     return;
   }
 
   ScheduleIdleHandler(kLongIdleHandlerDelayMs);
 }
 
 }  // namespace content