Updated OSX to blacklist multisampling when multiple monitors are connected

gpu/command_buffer/service/feature_info.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 "gpu/command_buffer/service/feature_info.h"
 
 #include <set>
 
 #include "base/command_line.h"
 #include "base/string_util.h"
@@ skipping 520 matching lines @@
     }
   }
 
   // Check for multisample support
   bool ext_has_multisample =
       extensions.Contains("GL_EXT_framebuffer_multisample");
   if (!is_qualcomm && !workarounds_.disable_angle_framebuffer_multisample) {
     ext_has_multisample |=
        extensions.Contains("GL_ANGLE_framebuffer_multisample");
   }
-  if (!disallowed_features_.multisampling && ext_has_multisample) {
+  if (ext_has_multisample) {
     feature_flags_.chromium_framebuffer_multisample = true;
     validators_.frame_buffer_target.AddValue(GL_READ_FRAMEBUFFER_EXT);
     validators_.frame_buffer_target.AddValue(GL_DRAW_FRAMEBUFFER_EXT);
     validators_.g_l_state.AddValue(GL_READ_FRAMEBUFFER_BINDING_EXT);
     validators_.g_l_state.AddValue(GL_MAX_SAMPLES_EXT);
     validators_.render_buffer_parameter.AddValue(GL_RENDERBUFFER_SAMPLES_EXT);
     AddExtensionString("GL_CHROMIUM_framebuffer_multisample");
   }
 
   if (extensions.Contains("GL_OES_depth24") || gfx::HasDesktopGLFeatures()) {
@@ skipping 169 matching lines @@
   if (extensions_.find(str) == std::string::npos) {
     extensions_ += (extensions_.empty() ? "" : " ") + str;
   }
 }
 
 FeatureInfo::~FeatureInfo() {
 }
 
 }  // namespace gles2
 }  // namespace gpu