Add category handling to RasterWorkerPool

content/browser/gpu/compositor_util.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/browser/gpu/compositor_util.h"
 
 #include <stddef.h>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 184 matching lines @@
     if (!base::StringToInt(string_value, &num_raster_threads)) {
       DLOG(WARNING) << "Failed to parse switch " <<
           switches::kNumRasterThreads  << ": " << string_value;
     }
   }
 
   return cc::MathUtil::ClampToRange(num_raster_threads, kMinRasterThreads,
                                     kMaxRasterThreads);
 }
 
+bool UseSingleThreadForBackgroundRasterTasks() {
+  const base::CommandLine& command_line =
+      *base::CommandLine::ForCurrentProcess();
+  return command_line.HasSwitch(
+      switches::kUseSingleThreadForBackgroundRasterTasks);
+}
+
 bool IsZeroCopyUploadEnabled() {
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
 #if defined(OS_MACOSX)
   return !command_line.HasSwitch(switches::kDisableZeroCopy);
 #else
   return command_line.HasSwitch(switches::kEnableZeroCopy);
 #endif
 }
 
@@ skipping 199 matching lines @@
     }
   }
   return problem_list;
 }
 
 std::vector<std::string> GetDriverBugWorkarounds() {
   return GpuDataManagerImpl::GetInstance()->GetDriverBugWorkarounds();
 }
 
 }  // namespace content