mac: Remove GPU bug workarounds for OS X versions before 10.9

gpu/config/gpu_driver_bug_workarounds.cc

 // Copyright 2016 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 "gpu/config/gpu_driver_bug_workarounds.h"
 
 #include "base/command_line.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "gpu/config/gpu_switches.h"
@@ skipping 15 matching lines @@
     workarounds->name = true; \
     break;
       GPU_DRIVER_BUG_WORKAROUNDS(GPU_OP)
 #undef GPU_OP
       default:
         NOTIMPLEMENTED();
     }
   }
   if (workarounds->max_texture_size_limit_4096)
     workarounds->max_texture_size = 4096;
-  if (workarounds->max_cube_map_texture_size_limit_4096)
-    workarounds->max_cube_map_texture_size = 4096;
-  if (workarounds->max_cube_map_texture_size_limit_1024)
-    workarounds->max_cube_map_texture_size = 1024;
-  if (workarounds->max_cube_map_texture_size_limit_512)
-    workarounds->max_cube_map_texture_size = 512;
 
   if (workarounds->max_fragment_uniform_vectors_32)
     workarounds->max_fragment_uniform_vectors = 32;
   if (workarounds->max_varying_vectors_16)
     workarounds->max_varying_vectors = 16;
   if (workarounds->max_vertex_uniform_vectors_256)
     workarounds->max_vertex_uniform_vectors = 256;
 
   if (workarounds->max_copy_texture_chromium_size_1048576)
     workarounds->max_copy_texture_chromium_size = 1048576;
   if (workarounds->max_copy_texture_chromium_size_262144)
     workarounds->max_copy_texture_chromium_size = 262144;
 }
 
 }  // anonymous namespace
 
 namespace gpu {
 
 GpuDriverBugWorkarounds::GpuDriverBugWorkarounds()
     :
 #define GPU_OP(type, name) name(false),
       GPU_DRIVER_BUG_WORKAROUNDS(GPU_OP)
 #undef GPU_OP
           max_texture_size(0),
-      max_cube_map_texture_size(0),
       max_fragment_uniform_vectors(0),
       max_varying_vectors(0),
       max_vertex_uniform_vectors(0),
       max_copy_texture_chromium_size(0) {
 }
 
 GpuDriverBugWorkarounds::GpuDriverBugWorkarounds(
     const base::CommandLine* command_line)
     :
 #define GPU_OP(type, name) name(false),
       GPU_DRIVER_BUG_WORKAROUNDS(GPU_OP)
 #undef GPU_OP
           max_texture_size(0),
-      max_cube_map_texture_size(0),
       max_fragment_uniform_vectors(0),
       max_varying_vectors(0),
       max_vertex_uniform_vectors(0),
       max_copy_texture_chromium_size(0) {
   if (!command_line)
     return;
 
   std::string types =
       command_line->GetSwitchValueASCII(switches::kGpuDriverBugWorkarounds);
   StringToWorkarounds(types, this);
 }
 
 GpuDriverBugWorkarounds::GpuDriverBugWorkarounds(
     const GpuDriverBugWorkarounds& other) = default;
 
 GpuDriverBugWorkarounds::~GpuDriverBugWorkarounds() {}
 
 }  // namespace gpu