Enable GPU Rasterization by default on Mac

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 <memory>
 #include <utility>
@@ skipping 228 matching lines @@
 
   if (command_line.HasSwitch(switches::kDisableGpuRasterization))
     return false;
   else if (command_line.HasSwitch(switches::kEnableGpuRasterization))
     return true;
 
   if (IsGpuRasterizationBlacklisted()) {
     return false;
   }
 
-#if defined(OS_ANDROID)
-  return true;
-#endif
-
   // Gpu Rasterization on platforms that are not fully enabled is controlled by
   // a finch experiment.
   return base::FeatureList::IsEnabled(features::kDefaultEnableGpuRasterization);
 }
 
 bool IsAsyncWorkerContextEnabled() {
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
 
   if (command_line.HasSwitch(switches::kDisableGpuAsyncWorkerContext))
@@ skipping 146 matching lines @@
     }
   }
   return problem_list;
 }
 
 std::vector<std::string> GetDriverBugWorkarounds() {
   return GpuDataManagerImpl::GetInstance()->GetDriverBugWorkarounds();
 }
 
 }  // namespace content