Parse GL_VERSION incorrectly when version string is without release_number

ui/gl/gl_version_info_unittest.cc

+// Copyright 2016 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.
+
+#include <memory>
+
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/gl/gl_version_info.h"
+
+namespace gl {
+
+TEST(GLVersionInfoTest, MajorMinorVersionTest) {
+  const char* version_str[] = {"4.3 (Core Profile) Mesa 11.2.0",
+      "4.5.0 NVIDIA 364.19",
+      "OpenGL ES 2.0 (ANGLE 2.1.0.cd1b12260360)",
+      "2.1 INTEL-10.6.33"};
+  const char* renderer_str[] = {NULL, NULL, NULL, NULL};
+  const char* extensions_str[] = {"extensions", "extensions",
+                                  "extensions", "extensions"};
+  unsigned expected_major[] = {4, 4, 2, 2};
+  unsigned expected_minor[] = {3, 5, 0, 1};
+  std::unique_ptr<GLVersionInfo> version_info;
+  for (unsigned i = 0; i < arraysize(version_str); i++) {
+    version_info.reset(new GLVersionInfo(version_str[i],
+        renderer_str[i], extensions_str[i]));
+    unsigned major, minor;
+    bool is_es, is_es2, is_es3;
+    version_info->ParseVersionString(version_str[i], &major, &minor,
+                                     &is_es, &is_es2, &is_es3);
+    EXPECT_EQ(major, expected_major[i]);
+    EXPECT_EQ(minor, expected_minor[i]);
+  }
+}
+
+}