content: Enable one-copy tile texture update mechanism on MacOSX.

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 "base/command_line.h"
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 215 matching lines @@
   if (IsZeroCopyUploadEnabled())
     return false;
 
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
   if (command_line.HasSwitch(switches::kEnableOneCopy))
     return true;
   if (command_line.HasSwitch(switches::kDisableOneCopy))
     return false;
 
-#if defined(OS_MACOSX) || defined(OS_ANDROID)
+#if defined(OS_ANDROID)
   return false;
 #endif
   return true;
 }
 
 bool IsZeroCopyUploadEnabled() {
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
   return command_line.HasSwitch(switches::kEnableZeroCopy);
 }
@@ skipping 153 matching lines @@
     }
   }
   return problem_list;
 }
 
 std::vector<std::string> GetDriverBugWorkarounds() {
   return GpuDataManagerImpl::GetInstance()->GetDriverBugWorkarounds();
 }
 
 }  // namespace content