Lower ES3 capable requirement to GL 3.3 with extensions.

content/browser/gpu/gpu_data_manager_impl_private.cc

Index: content/browser/gpu/gpu_data_manager_impl_private.cc
diff --git a/content/browser/gpu/gpu_data_manager_impl_private.cc b/content/browser/gpu/gpu_data_manager_impl_private.cc
index d0ea0601f2425cf2a1b69656fab30ab8ebd0f236..ee5ca2594a7ff2af75a81208b61fbe91e78fba8f 100644
--- a/content/browser/gpu/gpu_data_manager_impl_private.cc
+++ b/content/browser/gpu/gpu_data_manager_impl_private.cc
@@ -166,23 +166,28 @@ void UpdateStats(const gpu::GPUInfo& gpu_info,
       gpu::GPU_FEATURE_TYPE_ACCELERATED_2D_CANVAS,
       gpu::GPU_FEATURE_TYPE_GPU_COMPOSITING,
       gpu::GPU_FEATURE_TYPE_GPU_RASTERIZATION,
-      gpu::GPU_FEATURE_TYPE_WEBGL};
+      gpu::GPU_FEATURE_TYPE_WEBGL,
+      gpu::GPU_FEATURE_TYPE_WEBGL2};
   const std::string kGpuBlacklistFeatureHistogramNames[] = {
       "GPU.BlacklistFeatureTestResults.Accelerated2dCanvas",
       "GPU.BlacklistFeatureTestResults.GpuCompositing",
       "GPU.BlacklistFeatureTestResults.GpuRasterization",
-      "GPU.BlacklistFeatureTestResults.Webgl"};
+      "GPU.BlacklistFeatureTestResults.Webgl",
+      "GPU.BlacklistFeatureTestResults.Webgl2"};
   const bool kGpuFeatureUserFlags[] = {
       command_line.HasSwitch(switches::kDisableAccelerated2dCanvas),
       command_line.HasSwitch(switches::kDisableGpu),
       command_line.HasSwitch(switches::kDisableGpuRasterization),
-      command_line.HasSwitch(switches::kDisableExperimentalWebGL)};
+      command_line.HasSwitch(switches::kDisableExperimentalWebGL),
+      (!command_line.HasSwitch(switches::kEnableUnsafeES3APIs) ||
+       command_line.HasSwitch(switches::kDisableES3APIs))};
 #if defined(OS_WIN)
   const std::string kGpuBlacklistFeatureHistogramNamesWin[] = {
       "GPU.BlacklistFeatureTestResultsWindows.Accelerated2dCanvas",
       "GPU.BlacklistFeatureTestResultsWindows.GpuCompositing",
       "GPU.BlacklistFeatureTestResultsWindows.GpuRasterization",
-      "GPU.BlacklistFeatureTestResultsWindows.Webgl"};
+      "GPU.BlacklistFeatureTestResultsWindows.Webgl",
+      "GPU.BlacklistFeatureTestResultsWindows.Webgl2"};
 #endif
   const size_t kNumFeatures =
       sizeof(kGpuFeatures) / sizeof(gpu::GpuFeatureType);
@@ -760,6 +765,11 @@ void GpuDataManagerImplPrivate::AppendGpuCommandLine(
   }
 #endif
 
+  if (IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_WEBGL2) &&
+      !command_line->HasSwitch(switches::kDisableES3APIs)) {
+    command_line->AppendSwitch(switches::kDisableES3APIs);
+  }
+
   // Pass GPU and driver information to GPU process. We try to avoid full GPU
   // info collection at GPU process startup, but we need gpu vendor_id,
   // device_id, driver_vendor, driver_version for deciding whether we need to