Deprecate WinSAT support in Chromium.

BUG=456004
TEST=gpu_unittests, about:gpu page
R=kbr@chromium.org

Review URL: https://codereview.chromium.org/1018463002

Cr-Commit-Position: refs/heads/master@{#320942}

12 files changed, 13 insertions, 262 deletions

diff --git a/gpu/config/BUILD.gn b/gpu/config/BUILD.gn
index 6139153..9304695 100644
--- a/gpu/config/BUILD.gn
+++ b/gpu/config/BUILD.gn
@@ -35,7 +35,6 @@ source_set("config") {
     "gpu_info_collector_ozone.cc",
     "gpu_info_collector_win.cc",
     "gpu_info_collector_x11.cc",
-    "gpu_performance_stats.h",
     "gpu_test_config.cc",
     "gpu_test_config.h",
     "gpu_test_expectations_parser.cc",
diff --git a/gpu/config/gpu_blacklist_unittest.cc b/gpu/config/gpu_blacklist_unittest.cc
index c9fa415..1a3deb6 100644
--- a/gpu/config/gpu_blacklist_unittest.cc
+++ b/gpu/config/gpu_blacklist_unittest.cc
@@ -65,9 +65,6 @@ class GpuBlacklistTest : public testing::Test {
     gpu_info_.machine_model_version = "7.1";
     gpu_info_.gl_vendor = "NVIDIA Corporation";
     gpu_info_.gl_renderer = "NVIDIA GeForce GT 120 OpenGL Engine";
-    gpu_info_.performance_stats.graphics = 5.0;
-    gpu_info_.performance_stats.gaming = 5.0;
-    gpu_info_.performance_stats.overall = 5.0;
   }
 
   void TearDown() override {}
diff --git a/gpu/config/gpu_control_list.cc b/gpu/config/gpu_control_list.cc
index c95ef9f..3dd1d92 100644
--- a/gpu/config/gpu_control_list.cc
+++ b/gpu/config/gpu_control_list.cc
@@ -1204,18 +1204,6 @@ bool GpuControlList::GpuControlListEntry::Contains(
       !gl_reset_notification_strategy_info_->Contains(
           gpu_info.gl_reset_notification_strategy))
     return false;
-  if (perf_graphics_info_.get() != NULL &&
-      (gpu_info.performance_stats.graphics == 0.0 ||
-       !perf_graphics_info_->Contains(gpu_info.performance_stats.graphics)))
-    return false;
-  if (perf_gaming_info_.get() != NULL &&
-      (gpu_info.performance_stats.gaming == 0.0 ||
-       !perf_gaming_info_->Contains(gpu_info.performance_stats.gaming)))
-    return false;
-  if (perf_overall_info_.get() != NULL &&
-      (gpu_info.performance_stats.overall == 0.0 ||
-       !perf_overall_info_->Contains(gpu_info.performance_stats.overall)))
-    return false;
   if (!machine_model_name_list_.empty()) {
     if (gpu_info.machine_model_name.empty())
       return false;
diff --git a/gpu/config/gpu_control_list_entry_unittest.cc b/gpu/config/gpu_control_list_entry_unittest.cc
index 5587446..0c31e20 100644
--- a/gpu/config/gpu_control_list_entry_unittest.cc
+++ b/gpu/config/gpu_control_list_entry_unittest.cc
@@ -59,9 +59,6 @@ class GpuControlListEntryTest : public testing::Test {
     gpu_info_.gl_version = "2.1 NVIDIA-8.24.11 310.90.9b01";
     gpu_info_.gl_vendor = "NVIDIA Corporation";
     gpu_info_.gl_renderer = "NVIDIA GeForce GT 120 OpenGL Engine";
-    gpu_info_.performance_stats.graphics = 5.0;
-    gpu_info_.performance_stats.gaming = 5.0;
-    gpu_info_.performance_stats.overall = 5.0;
   }
 
  protected:
@@ -610,61 +607,6 @@ TEST_F(GpuControlListEntryTest, GlExtensionsEndWith) {
       GpuControlList::kOsMacosx, "10.9", gpu_info));
 }
 
-TEST_F(GpuControlListEntryTest, PerfGraphicsEntry) {
-  const std::string json = LONG_STRING_CONST(
-      {
-        "id": 1,
-        "perf_graphics": {
-          "op": "<",
-          "value": "6.0"
-        },
-        "features": [
-          "test_feature_0"
-        ]
-      }
-  );
-  ScopedEntry entry(GetEntryFromString(json));
-  EXPECT_TRUE(entry.get() != NULL);
-  EXPECT_TRUE(entry->Contains(GpuControlList::kOsWin, "10.6", gpu_info()));
-}
-
-TEST_F(GpuControlListEntryTest, PerfGamingEntry) {
-  const std::string json = LONG_STRING_CONST(
-      {
-        "id": 1,
-        "perf_graphics": {
-          "op": "<=",
-          "value": "4.0"
-        },
-        "features": [
-          "test_feature_0"
-        ]
-      }
-  );
-  ScopedEntry entry(GetEntryFromString(json));
-  EXPECT_TRUE(entry.get() != NULL);
-  EXPECT_FALSE(entry->Contains(GpuControlList::kOsWin, "10.6", gpu_info()));
-}
-
-TEST_F(GpuControlListEntryTest, PerfOverallEntry) {
-  const std::string json = LONG_STRING_CONST(
-      {
-        "id": 1,
-        "perf_overall": {
-          "op": "between",
-          "value": "1.0",
-          "value2": "9.0"
-        },
-        "features": [
-          "test_feature_0"
-        ]
-      }
-  );
-  ScopedEntry entry(GetEntryFromString(json));
-  EXPECT_TRUE(entry.get() != NULL);
-  EXPECT_TRUE(entry->Contains(GpuControlList::kOsWin, "10.6", gpu_info()));
-}
-
 TEST_F(GpuControlListEntryTest, DisabledEntry) {
   const std::string json = LONG_STRING_CONST(
       {
diff --git a/gpu/config/gpu_control_list_format.txt b/gpu/config/gpu_control_list_format.txt
index c897cb6..88c6f29c 100644
--- a/gpu/config/gpu_control_list_format.txt
+++ b/gpu/config/gpu_control_list_format.txt
@@ -44,24 +44,21 @@
 // 12. "gl_vendor" is a string pattern.
 // 13. "gl_renderer" is a string pattern.
 // 14. "gl_extensions" is a string pattern.
-// 15. "perf_graphics" is a FLOAT structure (defined below).
-// 16. "perf_gaming" is a FLOAT structure (defined below).
-// 17. "perf_overall" is a FLOAT structure (defined below).
-// 18. "machine_model_name" is an array of string patterns.
-// 19. "machine_model_version" is a VERSION structure (defined below).
-// 20. "gpu_count" is a INT structure (defined below).
-// 21  "cpu_info" is a string pattern.
-// 22. "exceptions" is a list of entries.
-// 23. "features" is a list of gpu control list options, which can be
+// 15. "machine_model_name" is an array of string patterns.
+// 16. "machine_model_version" is a VERSION structure (defined below).
+// 17. "gpu_count" is a INT structure (defined below).
+// 18. "cpu_info" is a string pattern.
+// 19. "exceptions" is a list of entries.
+// 20. "features" is a list of gpu control list options, which can be
 //     configured by a specific list. See its *_json.cc file for a list of
 //     supported features. This field is mandatory.
-// 24. "description" has the description of the entry.
-// 25. "webkit_bugs" is an array of associated webkit bug numbers.
-// 26. "cr_bugs" is an array of associated webkit bug numbers.
-// 27. "disabled" is a boolean. If it is present, the entry will be skipped.
+// 21. "description" has the description of the entry.
+// 22. "webkit_bugs" is an array of associated webkit bug numbers.
+// 23. "cr_bugs" is an array of associated webkit bug numbers.
+// 24. "disabled" is a boolean. If it is present, the entry will be skipped.
 //     This can not be used in exceptions.
-// 28. "direct_rendering" is a boolean. If present, this will filter on whether
-// the GL contexts are direct or indirect based on the value.
+// 25. "direct_rendering" is a boolean. If present, this will filter on whether
+//     the GL contexts are direct or indirect based on the value.
 //
 // VERSION includes "op", "style", "value", and "value2".  "op" can be any of
 // the following values: "=", "<", "<=", ">", ">=", "any", "between".  "style"
diff --git a/gpu/config/gpu_control_list_unittest.cc b/gpu/config/gpu_control_list_unittest.cc
index f9681838..716722c 100644
--- a/gpu/config/gpu_control_list_unittest.cc
+++ b/gpu/config/gpu_control_list_unittest.cc
@@ -57,9 +57,6 @@ class GpuControlListTest : public testing::Test {
     gpu_info_.machine_model_version = "7.1";
     gpu_info_.gl_vendor = "NVIDIA Corporation";
     gpu_info_.gl_renderer = "NVIDIA GeForce GT 120 OpenGL Engine";
-    gpu_info_.performance_stats.graphics = 5.0;
-    gpu_info_.performance_stats.gaming = 5.0;
-    gpu_info_.performance_stats.overall = 5.0;
   }
 
   void TearDown() override {}
diff --git a/gpu/config/gpu_driver_bug_list_unittest.cc b/gpu/config/gpu_driver_bug_list_unittest.cc
index 33e09a1..4d62c39 100644
--- a/gpu/config/gpu_driver_bug_list_unittest.cc
+++ b/gpu/config/gpu_driver_bug_list_unittest.cc
@@ -36,9 +36,6 @@ class GpuDriverBugListTest : public testing::Test {
     gpu_info_.machine_model_version = "7.1";
     gpu_info_.gl_vendor = "NVIDIA Corporation";
     gpu_info_.gl_renderer = "NVIDIA GeForce GT 120 OpenGL Engine";
-    gpu_info_.performance_stats.graphics = 5.0;
-    gpu_info_.performance_stats.gaming = 5.0;
-    gpu_info_.performance_stats.overall = 5.0;
   }
 
   void TearDown() override {}
diff --git a/gpu/config/gpu_info.cc b/gpu/config/gpu_info.cc
index 6ceb7fc..2cba5d8 100644
--- a/gpu/config/gpu_info.cc
+++ b/gpu/config/gpu_info.cc
@@ -90,7 +90,6 @@ void GPUInfo::EnumerateFields(Enumerator* enumerator) const {
     std::string gl_ws_extensions;
     uint32 gl_reset_notification_strategy;
     bool can_lose_context;
-    GpuPerformanceStats performance_stats;
     bool software_rendering;
     bool direct_rendering;
     bool sandboxed;
diff --git a/gpu/config/gpu_info.h b/gpu/config/gpu_info.h
index 7c92d3a..e5bef23 100644
--- a/gpu/config/gpu_info.h
+++ b/gpu/config/gpu_info.h
@@ -16,7 +16,6 @@
 #include "base/version.h"
 #include "build/build_config.h"
 #include "gpu/config/dx_diag_node.h"
-#include "gpu/config/gpu_performance_stats.h"
 #include "gpu/gpu_export.h"
 #include "ui/gfx/geometry/size.h"
 
@@ -180,9 +179,6 @@ struct GPU_EXPORT GPUInfo {
   // semantics are available.
   bool can_lose_context;
 
-  // By default all values are 0.
-  GpuPerformanceStats performance_stats;
-
   bool software_rendering;
 
   // Whether the driver uses direct rendering. True on most platforms, false on
diff --git a/gpu/config/gpu_info_collector_win.cc b/gpu/config/gpu_info_collector_win.cc
index e8c8f2f..c942852 100644
--- a/gpu/config/gpu_info_collector_win.cc
+++ b/gpu/config/gpu_info_collector_win.cc
@@ -63,116 +63,6 @@ float ReadXMLFloatValue(XmlReader* reader) {
   return static_cast<float>(score);
 }
 
-GpuPerformanceStats RetrieveGpuPerformanceStats() {
-  TRACE_EVENT0("gpu", "RetrieveGpuPerformanceStats");
-
-  // If the user re-runs the assessment without restarting, the COM API
-  // returns WINSAT_ASSESSMENT_STATE_NOT_AVAILABLE. Because of that and
-  // http://crbug.com/124325, read the assessment result files directly.
-  GpuPerformanceStats stats;
-
-  // Get path to WinSAT results files.
-  wchar_t winsat_results_path[MAX_PATH];
-  DWORD size = ExpandEnvironmentStrings(
-      L"%WinDir%\\Performance\\WinSAT\\DataStore\\",
-      winsat_results_path, MAX_PATH);
-  if (size == 0 || size > MAX_PATH) {
-    LOG(ERROR) << "The path to the WinSAT results is too long: "
-               << size << " chars.";
-    return stats;
-  }
-
-  // Find most recent formal assessment results.
-  base::FileEnumerator file_enumerator(
-      base::FilePath(winsat_results_path),
-      false,  // not recursive
-      base::FileEnumerator::FILES,
-      FILE_PATH_LITERAL("* * Formal.Assessment (*).WinSAT.xml"));
-
-  base::FilePath current_results;
-  for (base::FilePath results = file_enumerator.Next(); !results.empty();
-       results = file_enumerator.Next()) {
-    // The filenames start with the date and time as yyyy-mm-dd hh.mm.ss.xxx,
-    // so the greatest file lexicographically is also the most recent file.
-    if (base::FilePath::CompareLessIgnoreCase(current_results.value(),
-                                              results.value()))
-      current_results = results;
-  }
-
-  std::string current_results_string = current_results.MaybeAsASCII();
-  if (current_results_string.empty())
-    return stats;
-
-  // Get relevant scores from results file. XML schema at:
-  // http://msdn.microsoft.com/en-us/library/windows/desktop/aa969210.aspx
-  XmlReader reader;
-  if (!reader.LoadFile(current_results_string)) {
-    LOG(ERROR) << "Could not open WinSAT results file.";
-    return stats;
-  }
-  // Descend into <WinSAT> root element.
-  if (!reader.SkipToElement() || !reader.Read()) {
-    LOG(ERROR) << "Could not read WinSAT results file.";
-    return stats;
-  }
-
-  // Search for <WinSPR> element containing the results.
-  do {
-    if (reader.NodeName() == "WinSPR")
-      break;
-  } while (reader.Next());
-  // Descend into <WinSPR> element.
-  if (!reader.Read()) {
-    LOG(ERROR) << "Could not find WinSPR element in results file.";
-    return stats;
-  }
-
-  // Read scores.
-  for (int depth = reader.Depth(); reader.Depth() == depth; reader.Next()) {
-    std::string node_name = reader.NodeName();
-    if (node_name == "SystemScore")
-      stats.overall = ReadXMLFloatValue(&reader);
-    else if (node_name == "GraphicsScore")
-      stats.graphics = ReadXMLFloatValue(&reader);
-    else if (node_name == "GamingScore")
-      stats.gaming = ReadXMLFloatValue(&reader);
-  }
-
-  if (stats.overall == 0.0)
-    LOG(ERROR) << "Could not read overall score from assessment results.";
-  if (stats.graphics == 0.0)
-    LOG(ERROR) << "Could not read graphics score from assessment results.";
-  if (stats.gaming == 0.0)
-    LOG(ERROR) << "Could not read gaming score from assessment results.";
-
-  return stats;
-}
-
-GpuPerformanceStats RetrieveGpuPerformanceStatsWithHistograms() {
-  base::TimeTicks start_time = base::TimeTicks::Now();
-
-  GpuPerformanceStats stats = RetrieveGpuPerformanceStats();
-
-  UMA_HISTOGRAM_TIMES("GPU.WinSAT.ReadResultsFileTime",
-                      base::TimeTicks::Now() - start_time);
-  UMA_HISTOGRAM_CUSTOM_COUNTS(
-      "GPU.WinSAT.OverallScore2",
-      static_cast<base::HistogramBase::Sample>(stats.overall * 10), 10, 200,
-      50);
-  UMA_HISTOGRAM_CUSTOM_COUNTS(
-      "GPU.WinSAT.GraphicsScore2",
-      static_cast<base::HistogramBase::Sample>(stats.graphics * 10), 10, 200,
-      50);
-  UMA_HISTOGRAM_CUSTOM_COUNTS(
-      "GPU.WinSAT.GamingScore2",
-      static_cast<base::HistogramBase::Sample>(stats.gaming * 10), 10, 200, 50);
-  UMA_HISTOGRAM_BOOLEAN(
-      "GPU.WinSAT.HasResults",
-      stats.overall != 0.0 && stats.graphics != 0.0 && stats.gaming != 0.0);
-
-  return stats;
-}
-
 // Returns the display link driver version or an invalid version if it is
 // not installed.
 Version DisplayLinkVersion() {
@@ -505,8 +395,6 @@ CollectInfoResult CollectBasicGraphicsInfo(GPUInfo* gpu_info) {
 
   DCHECK(gpu_info);
 
-  gpu_info->performance_stats = RetrieveGpuPerformanceStatsWithHistograms();
-
   // nvd3d9wrap.dll is loaded into all processes when Optimus is enabled.
   HMODULE nvd3d9wrap = GetModuleHandleW(L"nvd3d9wrap.dll");
   gpu_info->optimus = nvd3d9wrap != NULL;
diff --git a/gpu/config/gpu_performance_stats.h b/gpu/config/gpu_performance_stats.h
deleted file mode 100644
index 2ade8bf..0000000
--- a/gpu/config/gpu_performance_stats.h
+++ /dev/null
@@ -1,23 +0,0 @@
-// Copyright (c) 2012 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.
-
-#ifndef GPU_CONFIG_GPU_PERFORMANCE_STATS_H_
-#define GPU_CONFIG_GPU_PERFORMANCE_STATS_H_
-
-#include "gpu/gpu_export.h"
-
-namespace gpu {
-
-struct GPU_EXPORT GpuPerformanceStats {
-  GpuPerformanceStats() : graphics(0.f), gaming(0.f), overall(0.f) {}
-
-  float graphics;
-  float gaming;
-  float overall;
-};
-
-}  // namespace gpu
-
-#endif  // GPU_CONFIG_GPU_PERFORMANCE_STATS_H_
-
diff --git a/gpu/config/software_rendering_list_json.cc b/gpu/config/software_rendering_list_json.cc
index 95d828d..bd846a6 100644
--- a/gpu/config/software_rendering_list_json.cc
+++ b/gpu/config/software_rendering_list_json.cc
@@ -18,7 +18,7 @@ const char kSoftwareRenderingListJson[] = LONG_STRING_CONST(
 {
   "name": "software rendering list",
   // Please update the version number whenever you change this file.
-  "version": "9.19",
+  "version": "10.0",
   "entries": [
     {
       "id": 1,
@@ -336,32 +336,6 @@ const char kSoftwareRenderingListJson[] = LONG_STRING_CONST(
       ]
     },
     {
-      "id": 32,
-      "description": "Accelerated 2d canvas is disabled on Windows systems with low perf stats",
-      "cr_bugs": [116350, 151500],
-      "os": {
-        "type": "win"
-      },
-      "perf_overall": {
-        "op": "<",
-        "value": "3.5"
-      },
-      "exceptions": [
-        {
-          "perf_gaming": {
-            "op": ">",
-            "value": "3.5"
-          }
-        },
-        {
-          "cpu_info": "(?i).*Atom.*"
-        }
-      ],
-      "features": [
-        "accelerated_2d_canvas"
-      ]
-    },
-    {
       "id": 34,
       "description": "S3 Trio (used in Virtual PC) is not compatible",
       "cr_bugs": [119948],