cc: Add experimental --num-raster-threads option.

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 825 matching lines @@
     switches::kUseGL,
     switches::kUseMobileUserAgent,
     switches::kUserAgent,
     switches::kV,
     switches::kVideoThreads,
     switches::kVModule,
     switches::kWebCoreLogChannels,
     cc::switches::kBackgroundColorInsteadOfCheckerboard,
     cc::switches::kEnableImplSidePainting,
     cc::switches::kEnablePartialSwap,
+    cc::switches::kNumRasterThreads,
     cc::switches::kShowPropertyChangedRects,
     cc::switches::kShowSurfaceDamageRects,
     cc::switches::kShowScreenSpaceRects,
     cc::switches::kShowReplicaScreenSpaceRects,
     cc::switches::kShowNonOccludingRects,
     cc::switches::kShowOccludingRects,
     cc::switches::kTraceOverdraw,
   };
   renderer_cmd->CopySwitchesFrom(browser_cmd, kSwitchNames,
                                  arraysize(kSwitchNames));
@@ skipping 726 matching lines @@
       int32 gpu_process_host_id) {
   TRACE_EVENT0("renderer_host",
                "RenderWidgetHostImpl::OnCompositorSurfaceBuffersSwappedNoHost");
   RenderWidgetHostImpl::AcknowledgeBufferPresent(route_id,
                                                  gpu_process_host_id,
                                                  false,
                                                  0);
 }
 
 }  // namespace content