Load the GL_KHR_debug entry points and log messages they produce.

content/public/browser/gpu_utils.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 "content/public/browser/gpu_utils.h"
 
 #include "base/command_line.h"
 #include "base/strings/string_number_conversions.h"
 #include "content/public/common/content_switches.h"
 #include "gpu/command_buffer/service/gpu_switches.h"
@@ skipping 61 matching lines @@
   gpu_preferences.disable_gpu_driver_bug_workarounds =
       command_line->HasSwitch(switches::kDisableGpuDriverBugWorkarounds);
   gpu_preferences.disable_shader_name_hashing =
       command_line->HasSwitch(switches::kDisableShaderNameHashing);
   gpu_preferences.enable_gpu_command_logging =
       command_line->HasSwitch(switches::kEnableGPUCommandLogging);
   gpu_preferences.enable_gpu_debugging =
       command_line->HasSwitch(switches::kEnableGPUDebugging);
   gpu_preferences.enable_gpu_service_logging_gpu =
       command_line->HasSwitch(switches::kEnableGPUServiceLoggingGPU);
+  gpu_preferences.enable_gpu_driver_debug_logging =
+      command_line->HasSwitch(switches::kEnableGPUDriverDebugLogging);
   gpu_preferences.disable_gpu_program_cache =
       command_line->HasSwitch(switches::kDisableGpuProgramCache);
   gpu_preferences.enforce_gl_minimums =
       command_line->HasSwitch(switches::kEnforceGLMinimums);
   if (GetUintFromSwitch(command_line, switches::kForceGpuMemAvailableMb,
                         &gpu_preferences.force_gpu_mem_available)) {
     gpu_preferences.force_gpu_mem_available *= 1024 * 1024;
   }
   if (GetUintFromSwitch(command_line, switches::kGpuProgramCacheSizeKb,
                         &gpu_preferences.gpu_program_cache_size)) {
@@ skipping 13 matching lines @@
       command_line->HasSwitch(switches::kEnableGPUServiceTracing);
   gpu_preferences.enable_unsafe_es3_apis =
       command_line->HasSwitch(switches::kEnableUnsafeES3APIs) &&
       !command_line->HasSwitch(switches::kDisableES3APIs);
   gpu_preferences.use_passthrough_cmd_decoder =
       command_line->HasSwitch(switches::kUsePassthroughCmdDecoder);
   return gpu_preferences;
 }
 
 }  // namespace content