Add driver bug workaround for SH_INIT_GL_POSITION.

gpu/command_buffer/service/shader_translator_unittest.cc

 // 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.
 
 #include "gpu/command_buffer/service/shader_translator.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace gpu {
 namespace gles2 {
 
@@ skipping 10 matching lines @@
     ShBuiltInResources resources;
     resources.MaxExpressionComplexity = 32;
     resources.MaxCallStackDepth = 32;
     ShInitBuiltInResources(&resources);
     vertex_translator_ = new ShaderTranslator();
     fragment_translator_ = new ShaderTranslator();
 
     ASSERT_TRUE(vertex_translator_->Init(
         SH_VERTEX_SHADER, SH_GLES2_SPEC, &resources,
         ShaderTranslatorInterface::kGlsl,
-        ShaderTranslatorInterface::kGlslBuiltInFunctionEmulated));
+        SH_EMULATE_BUILT_IN_FUNCTIONS));
     ASSERT_TRUE(fragment_translator_->Init(
         SH_FRAGMENT_SHADER, SH_GLES2_SPEC, &resources,
         ShaderTranslatorInterface::kGlsl,
-        ShaderTranslatorInterface::kGlslBuiltInFunctionOriginal));
+        static_cast<ShCompileOptions>(0)));
     // Post-init the results must be empty.
     // Vertex translator results.
     EXPECT_TRUE(vertex_translator_->translated_shader() == NULL);
     EXPECT_TRUE(vertex_translator_->info_log() == NULL);
     EXPECT_TRUE(vertex_translator_->attrib_map().empty());
     EXPECT_TRUE(vertex_translator_->uniform_map().empty());
     // Fragment translator results.
     EXPECT_TRUE(fragment_translator_->translated_shader() == NULL);
     EXPECT_TRUE(fragment_translator_->info_log() == NULL);
     EXPECT_TRUE(fragment_translator_->attrib_map().empty());
@@ skipping 179 matching lines @@
   scoped_refptr<ShaderTranslator> translator_1 = new ShaderTranslator();
   scoped_refptr<ShaderTranslator> translator_2 = new ShaderTranslator();
   scoped_refptr<ShaderTranslator> translator_3 = new ShaderTranslator();
 
   ShBuiltInResources resources;
   ShInitBuiltInResources(&resources);
 
   ASSERT_TRUE(translator_1->Init(
       SH_VERTEX_SHADER, SH_GLES2_SPEC, &resources,
       ShaderTranslatorInterface::kGlsl,
-      ShaderTranslatorInterface::kGlslBuiltInFunctionEmulated));
+      SH_EMULATE_BUILT_IN_FUNCTIONS));
   ASSERT_TRUE(translator_2->Init(
       SH_FRAGMENT_SHADER, SH_GLES2_SPEC, &resources,
       ShaderTranslatorInterface::kGlsl,
-      ShaderTranslatorInterface::kGlslBuiltInFunctionOriginal));
+      static_cast<ShCompileOptions>(0)));
   resources.EXT_draw_buffers = 1;
   ASSERT_TRUE(translator_3->Init(
       SH_VERTEX_SHADER, SH_GLES2_SPEC, &resources,
       ShaderTranslatorInterface::kGlsl,
-      ShaderTranslatorInterface::kGlslBuiltInFunctionEmulated));
+      SH_EMULATE_BUILT_IN_FUNCTIONS));
 
   std::string options_1(
       translator_1->GetStringForOptionsThatWouldEffectCompilation());
   std::string options_2(
       translator_1->GetStringForOptionsThatWouldEffectCompilation());
   std::string options_3(
       translator_2->GetStringForOptionsThatWouldEffectCompilation());
   std::string options_4(
       translator_3->GetStringForOptionsThatWouldEffectCompilation());
 
   EXPECT_EQ(options_1, options_2);
   EXPECT_NE(options_1, options_3);
   EXPECT_NE(options_1, options_4);
   EXPECT_NE(options_3, options_4);
 }
 
 }  // namespace gles2
 }  // namespace gpu