Merge gpu_switching_list into gpu_driver_bug_list.

gpu/command_buffer/service/feature_info.cc

Index: gpu/command_buffer/service/feature_info.cc
diff --git a/gpu/command_buffer/service/feature_info.cc b/gpu/command_buffer/service/feature_info.cc
index 9329bc590fb67512cd2b6513553bb17f450efb5a..d8d28e89ccd612129ceee7021fae14a602182cfd 100644
--- a/gpu/command_buffer/service/feature_info.cc
+++ b/gpu/command_buffer/service/feature_info.cc
@@ -8,10 +8,10 @@
 
 #include "base/command_line.h"
 #include "base/strings/string_number_conversions.h"
-#include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "gpu/command_buffer/service/gl_utils.h"
 #include "gpu/command_buffer/service/gpu_switches.h"
+#include "gpu/config/gpu_util.h"
 #include "ui/gl/gl_implementation.h"
 
 #if defined(OS_MACOSX)
@@ -69,13 +69,11 @@ class StringSet {
 void StringToWorkarounds(
     const std::string& types, FeatureInfo::Workarounds* workarounds) {
   DCHECK(workarounds);
-  std::vector<std::string> pieces;
-  base::SplitString(types, ',', &pieces);
-  for (size_t i = 0; i < pieces.size(); ++i) {
-    int number = 0;
-    bool succeed = base::StringToInt(pieces[i], &number);
-    DCHECK(succeed);
-    switch (number) {
+  std::set<int> int_set;
+  gpu::StringToFeatureSet(types, &int_set);
+  for (std::set<int>::const_iterator it = int_set.begin();
+       it != int_set.end(); ++it) {
+    switch (*it) {
 #define GPU_OP(type, name)    \
   case gpu::type:             \
     workarounds->name = true; \