Use GLVersionInfo instead of gl::GetGLImplementation() to decide GL paths

ui/gl/test/gl_image_test_template.h

 // Copyright 2015 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.
 
 // This file defines tests that implementations of GLImage should pass in order
 // to be conformant.
 
 #ifndef UI_GL_TEST_GL_IMAGE_TEST_TEMPLATE_H_
 #define UI_GL_TEST_GL_IMAGE_TEST_TEMPLATE_H_
 
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/strings/stringize_macros.h"
 #include "base/strings/stringprintf.h"
 #include "build/build_config.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/buffer_format_util.h"
 #include "ui/gfx/buffer_types.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_helper.h"
 #include "ui/gl/gl_image.h"
-#include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_surface.h"
+#include "ui/gl/gl_version_info.h"
 #include "ui/gl/init/gl_factory.h"
 #include "ui/gl/test/gl_image_test_support.h"
 #include "ui/gl/test/gl_test_helper.h"
 
 #if defined(OS_MACOSX)
 #include "base/mac/mac_util.h"
 #endif
 
 namespace gl {
 namespace {
 
 // Compiles a fragment shader for sampling out of a texture of |size| bound to
 // |target| and checks for compilation errors.
 GLuint LoadFragmentShader(unsigned target, const gfx::Size& size) {
   // clang-format off
   const char kFragmentShader[] = STRINGIZE(
     uniform SamplerType a_texture;
     varying vec2 v_texCoord;
     void main() {
       gl_FragColor = TextureLookup(a_texture, v_texCoord * TextureScale);
     }
   );
   const char kShaderFloatPrecision[] = STRINGIZE(
     precision mediump float;
   );
   // clang-format on
 
-  bool is_gles = GetGLImplementation() == kGLImplementationEGLGLES2;
+  bool is_gles = GLContext::GetCurrent()->GetVersionInfo()->is_es;
   switch (target) {
     case GL_TEXTURE_2D:
       return GLHelper::LoadShader(
           GL_FRAGMENT_SHADER,
           base::StringPrintf("%s\n"
                              "#define SamplerType sampler2D\n"
                              "#define TextureLookup texture2D\n"
                              "#define TextureScale vec2(1.0, 1.0)\n"
                              "%s",
                              is_gles ? kShaderFloatPrecision : "",
@@ skipping 292 matching lines @@
   image->Destroy(true /* have_context */);
 }
 
 // The GLImageCopyTest test case verifies that the GLImage implementation
 // handles CopyTexImage correctly.
 REGISTER_TYPED_TEST_CASE_P(GLImageCopyTest, CopyTexImage);
 
 }  // namespace gl
 
 #endif  // UI_GL_TEST_GL_IMAGE_TEST_TEMPLATE_H_