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

content/browser/renderer_host/render_process_host_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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 1046 matching lines @@
     switches::kEnableWebMIDI,
     switches::kForceDeviceScaleFactor,
     switches::kFullMemoryCrashReport,
     switches::kJavaScriptFlags,
     switches::kLoggingLevel,
     switches::kMaxUntiledLayerWidth,
     switches::kMaxUntiledLayerHeight,
     switches::kMemoryMetrics,
     switches::kNoReferrers,
     switches::kNoSandbox,
-    switches::kNumRasterThreads,
     switches::kPpapiInProcess,
     switches::kProfilerTiming,
     switches::kReduceSecurityForTesting,
     switches::kRegisterPepperPlugins,
     switches::kRendererAssertTest,
     switches::kRendererStartupDialog,
     switches::kShowPaintRects,
     switches::kSitePerProcess,
     switches::kStatsCollectionController,
     switches::kTestSandbox,
@@ skipping 24 matching lines @@
     cc::switches::kEnableGPURasterization,
     cc::switches::kEnableImplSidePainting,
     cc::switches::kEnableLCDText,
     cc::switches::kEnableMapImage,
     cc::switches::kEnablePartialSwap,
     cc::switches::kEnablePerTilePainting,
     cc::switches::kEnablePinchVirtualViewport,
     cc::switches::kEnableTopControlsPositionCalculation,
     cc::switches::kMaxTilesForInterestArea,
     cc::switches::kMaxUnusedResourceMemoryUsagePercentage,
+    cc::switches::kNumRasterThreads,
     cc::switches::kShowCompositedLayerBorders,
     cc::switches::kShowFPSCounter,
     cc::switches::kShowLayerAnimationBounds,
     cc::switches::kShowNonOccludingRects,
     cc::switches::kShowOccludingRects,
     cc::switches::kShowPropertyChangedRects,
     cc::switches::kShowReplicaScreenSpaceRects,
     cc::switches::kShowScreenSpaceRects,
     cc::switches::kShowSurfaceDamageRects,
     cc::switches::kSlowDownRasterScaleFactor,
@@ skipping 901 matching lines @@
     return;
   Send(new MediaStreamMsg_EnableAecDump(file_for_transit));
 }
 
 void RenderProcessHostImpl::SendDisableAecDumpToRenderer() {
   Send(new MediaStreamMsg_DisableAecDump());
 }
 #endif
 
 }  // namespace content