Use GpuPreferences to avoid directly accessing switches in gpu related code

gpu/command_buffer/service/program_manager.cc

Index: gpu/command_buffer/service/program_manager.cc
diff --git a/gpu/command_buffer/service/program_manager.cc b/gpu/command_buffer/service/program_manager.cc
index e0dfd1daa7e3bcaa71ef785275e0e028e0a48a48..c8179630fed092dde1b38e503cced2f657924155 100644
--- a/gpu/command_buffer/service/program_manager.cc
+++ b/gpu/command_buffer/service/program_manager.cc
@@ -26,7 +26,7 @@
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
 #include "gpu/command_buffer/service/feature_info.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
-#include "gpu/command_buffer/service/gpu_switches.h"
+#include "gpu/command_buffer/service/gpu_preferences.h"
 #include "gpu/command_buffer/service/program_cache.h"
 #include "gpu/command_buffer/service/shader_manager.h"
 #include "third_party/re2/src/re2/re2.h"
@@ -493,8 +493,7 @@ void Program::Update() {
   }
 
 #if !defined(NDEBUG)
-  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kEnableGPUServiceLoggingGPU)) {
+  if (GpuPreferences::GetInstance()->enable_gpu_service_logging_gpu) {
     DVLOG(1) << "----: attribs for service_id: " << service_id();
     for (size_t ii = 0; ii < attrib_infos_.size(); ++ii) {
       const VertexAttrib& info = attrib_infos_[ii];
@@ -508,8 +507,7 @@ void Program::Update() {
   UpdateUniforms();
 
 #if !defined(NDEBUG)
-  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kEnableGPUServiceLoggingGPU)) {
+  if (GpuPreferences::GetInstance()->enable_gpu_service_logging_gpu) {
     DVLOG(1) << "----: uniforms for service_id: " << service_id();
     size_t ii = 0;
     for (const UniformInfo& info : uniform_infos_) {