Code style fix.

gpu/command_buffer/service/context_group.cc

Index: gpu/command_buffer/service/context_group.cc
diff --git a/gpu/command_buffer/service/context_group.cc b/gpu/command_buffer/service/context_group.cc
index bd8af8fd4d59624514e81a72611857875d30c548..f41584ab8f90a78d919eb50836e677897096ad45 100644
--- a/gpu/command_buffer/service/context_group.cc
+++ b/gpu/command_buffer/service/context_group.cc
@@ -35,7 +35,7 @@ ContextGroup::ContextGroup(
     const scoped_refptr<SubscriptionRefSet>& subscription_ref_set,
     const scoped_refptr<ValueStateMap>& pending_valuebuffer_state,
     bool bind_generates_resource)
-    : context_type_(kContextTypeUndefined),
+    : context_type_(CONTEXT_TYPE_UNDEFINED),
       mailbox_manager_(mailbox_manager),
       memory_tracker_(memory_tracker),
       shader_translator_cache_(shader_translator_cache),
@@ -82,13 +82,13 @@ ContextGroup::ContextType ContextGroup::GetContextType(
     unsigned webgl_version) {
   switch (webgl_version) {
     case 0:
-      return kContextTypeOther;
+      return CONTEXT_TYPE_OTHER;
     case 1:
-      return kContextTypeWebGL1;
+      return CONTEXT_TYPE_WEBGL1;
     case 2:
-      return kContextTypeWebGL2;
+      return CONTEXT_TYPE_WEBGL2;
     default:
-      return kContextTypeUndefined;
+      return CONTEXT_TYPE_UNDEFINED;
   }
 }
 
@@ -96,12 +96,12 @@ bool ContextGroup::Initialize(
     GLES2Decoder* decoder,
     ContextGroup::ContextType context_type,
     const DisallowedFeatures& disallowed_features) {
-  if (context_type == kContextTypeUndefined) {
+  if (context_type == CONTEXT_TYPE_UNDEFINED) {
     LOG(ERROR) << "ContextGroup::Initialize failed because of unknown "
                << "context type.";
     return false;
   }
-  if (context_type_ == kContextTypeUndefined) {
+  if (context_type_ == CONTEXT_TYPE_UNDEFINED) {
     context_type_ = context_type;
   } else if (context_type_ != context_type) {
     LOG(ERROR) << "ContextGroup::Initialize failed because the type of "