Port gles2_conform_test_windowless action to GN build.

gpu/gles2_conform_support/BUILD.gn

Index: gpu/gles2_conform_support/BUILD.gn
diff --git a/gpu/gles2_conform_support/BUILD.gn b/gpu/gles2_conform_support/BUILD.gn
index 66d0d8ea4f46755b89c77aa98d57a0e3f6c27c0f..c91ecb317950c7060bd74d5ae84d84d4c82edea1 100644
--- a/gpu/gles2_conform_support/BUILD.gn
+++ b/gpu/gles2_conform_support/BUILD.gn
@@ -39,7 +39,7 @@ executable("gles2_conform_support") {
 }
 
 if (internal_gles2_conform_tests) {
-  action("generate_gles2_conform_embedded_files") {
+  action("generate_gles2_conform_embedded_data") {
     script = "generate_gles2_embedded_data.py"
     output = [
       "$target_gen_dir/gles2_conform_test_embedded_data/FilesData.c",
@@ -51,6 +51,106 @@ if (internal_gles2_conform_tests) {
       "$target_gen_dir/gles2_conform_test_embedded_data",
     ]
   }
+  gles2_conform_gypi = exec_script("//build/gypi_to_gn.py",
+                                   [ rebase_path("gles2_conform_gypi") ],
+                                   "scoped",
+                                   [ "gles2_conform_gypi" ])
+  executable("gles2_conform_test_windowless") {
+    testonly = true
+    sources = [
+      # Include a dummy c++ file to force linking of libstdc++.
+      "dummy.cc",
+      gles2_conform_gypi.gtf_es_sources,
+    ]
+    defines = [
+      "GTF_API=GTF_GLES20",
+      "HKEMBEDDEDFILESYSTEM",
+    ]
+    deps = [
+      ":generate_gles2_conform_embedded_data",
+      "//gpu/gles2_conform_support/egl",
+      "//gpu/gles2_conform_support/native:windowless",
+      "//gpu/command_buffer/client:gles2_c_libnocheck",
+    ]
+    if (is_linux) {
+      if (!is_chromeos) {
+        deps += [ "//build/linux/system/gtk" ]
+
+        if (is_clang) {
+          cflags = [
+            "-Wno-array-bounds",
+            "-Wno-implicit-function-declaration",
+            "-Wno-incompatible-pointer-types",
+            "-Wno-parentheses-equality",
+            "-Wno-pointer-sign",
+            "-Wno-return-type",
+            "-Wno-sizeof-pointer-memaccess",
+            "-Wno-tautological-compare",
+          ]
+        }
+      }
+    }
+    if (is_win) {
+      deps += [
+        "//third_party/angle:libEGL",
+        "//third_party/angle:libGLESv2",
+      ]
+      defines = [
+        "EGLAPI=",
+        "EGLAPIENTRY=",
+      ]
+      defines -= [ "NOMINMAX" ]
+      cflags = [
+        "/wd4018",  # signed/unsigned mismatch
+        "/wd4101",  # unreferenced local variable
+        "/wd4715",  # not all control paths return a value
+        "/wd4267",  # size_t/unsigned int conversion
+      ]
+    }
+    if (is_mac) {
+      defines = [
+        "_STDINT",
+        "_STDINT_H",
+      ]
+      if (is_clang) {
+        cflags = [
+          "-Wno-pointer-sign",
+          "-Wno-array-bounds",
+          "-Wno-sizeof-pointer-memaccess",
+          "-Wno-implicit-function-declaration",
+          "-Wno-logical-op-parentheses",
+          "-Wno-tautological-compare",
+          "-Wno-parentheses-equality",
+          "-Wno-return-type",
+        ]
+        #"xcode_settings": {
+        #"LD": "clang++",
+        #"WARNING_CFLAGS": [
+        #"-Wno-pointer-sign",
+        #"-Wno-array-bounds",
+        #"-Wno-sizeof-pointer-memaccess",
+        #"-Wno-implicit-function-declaration",
+        #"-Wno-logical-op-parentheses",
+        #"-Wno-tautological-compare",
+        #"-Wno-parentheses-equality",
+        #"-Wno-return-type",
+        #],
+        #},
+      }
+    }
+
+    #'run_as': {
+    #     'conditions': [
+    #       ['OS=="win"', {
+    #         'action': [
+    #           '$(TargetPath)',
+    #           '-noimagefileio',
+    #           '-run=<(DEPTH)/third_party/gles2_conform/GTF_ES/glsl/GTF/mustpass.run',
+    #         ],
+    #       }],
+    #     ],
+    #    },
+  }
 }
 
 test("gles2_conform_test") {
@@ -62,4 +162,7 @@ test("gles2_conform_test") {
     "//gpu/config",
     "//testing/gtest",
   ]
+  if (internal_gles2_conform_tests) {
+    deps += [ "gles2_conform_test_windowless" ]
+  }
 }