Enable GPU control lists in tests on Windows.

gpu/config/gpu_control_list.cc

Index: gpu/config/gpu_control_list.cc
diff --git a/gpu/config/gpu_control_list.cc b/gpu/config/gpu_control_list.cc
index 1d45d726614e48fbebb69217c5a765189938f93e..0c645b5c9564cadbdb841a095e8ba6e128b0fc37 100644
--- a/gpu/config/gpu_control_list.cc
+++ b/gpu/config/gpu_control_list.cc
@@ -10,6 +10,7 @@
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
+#include "base/strings/stringprintf.h"
 #include "base/sys_info.h"
 #include "gpu/config/gpu_info.h"
 #include "gpu/config/gpu_util.h"
@@ -1030,6 +1031,14 @@ GpuControlList::GpuControlListEntry::StringToMultiGpuCategory(
   return kMultiGpuCategoryNone;
 }
 
+void GpuControlList::GpuControlListEntry::LogControlListMatch(
+    const std::string& control_list_logging_name) const {
+  static const char kControlListMatchMessage[] =
+      "Control list match for rule #%u in %s.";
+  LOG(INFO) << base::StringPrintf(kControlListMatchMessage, id_,
+                                  control_list_logging_name.c_str());
+}
+
 bool GpuControlList::GpuControlListEntry::Contains(
     OsType os_type, const std::string& os_version,
     const GPUInfo& gpu_info) const {
@@ -1185,7 +1194,8 @@ bool GpuControlList::GpuControlListEntry::StringToFeature(
 GpuControlList::GpuControlList()
     : max_entry_id_(0),
       needs_more_info_(false),
-      supports_feature_type_all_(false) {
+      supports_feature_type_all_(false),
+      control_list_logging_enabled_(false) {
 }
 
 GpuControlList::~GpuControlList() {
@@ -1292,6 +1302,8 @@ std::set<int> GpuControlList::MakeDecision(
   for (size_t i = 0; i < entries_.size(); ++i) {
     if (entries_[i]->Contains(os, os_version, gpu_info)) {
       if (!entries_[i]->disabled()) {
+        if (control_list_logging_enabled_)
+          entries_[i]->LogControlListMatch(control_list_logging_name_);
         MergeFeatureSets(&possible_features, entries_[i]->features());
         if (!entries_[i]->NeedsMoreInfo(gpu_info))
           MergeFeatureSets(&features, entries_[i]->features());