Enabled EXT_sRGB WebGL extension support in the command buffer.

gpu/command_buffer/service/feature_info_unittest.cc

Index: gpu/command_buffer/service/feature_info_unittest.cc
diff --git a/gpu/command_buffer/service/feature_info_unittest.cc b/gpu/command_buffer/service/feature_info_unittest.cc
index 106e183abb1a896a5b6aed68084659cca794464c..f5707a041603d7aeccc96f875ade054ee15eafb4 100644
--- a/gpu/command_buffer/service/feature_info_unittest.cc
+++ b/gpu/command_buffer/service/feature_info_unittest.cc
@@ -251,6 +251,8 @@ TEST_F(FeatureInfoTest, InitializeNoExtensions) {
               Not(HasSubstr("GL_AMD_compressed_ATC_texture")));
   EXPECT_THAT(info_->extensions(),
               Not(HasSubstr("GL_IMG_texture_compression_pvrtc")));
+  EXPECT_THAT(info_->extensions(),
+              Not(HasSubstr("GL_EXT_sRGB")));
   EXPECT_FALSE(info_->feature_flags().npot_ok);
   EXPECT_FALSE(info_->validators()->compressed_texture_format.IsValid(
       GL_COMPRESSED_RGB_S3TC_DXT1_EXT));
@@ -320,6 +322,22 @@ TEST_F(FeatureInfoTest, InitializeNoExtensions) {
   EXPECT_FALSE(info_->validators()->equation.IsValid(GL_MIN_EXT));
   EXPECT_FALSE(info_->validators()->equation.IsValid(GL_MAX_EXT));
   EXPECT_FALSE(info_->feature_flags().chromium_sync_query);
+  EXPECT_FALSE(info_->GetTextureFormatValidator(GL_SRGB_EXT).IsValid(
+      GL_UNSIGNED_BYTE));
+  EXPECT_FALSE(info_->GetTextureFormatValidator(GL_SRGB_ALPHA_EXT).IsValid(
+      GL_UNSIGNED_BYTE));
+  EXPECT_FALSE(info_->validators()->texture_format.IsValid(
+      GL_SRGB_EXT));
+  EXPECT_FALSE(info_->validators()->texture_format.IsValid(
+      GL_SRGB_ALPHA_EXT));
+  EXPECT_FALSE(info_->validators()->texture_internal_format.IsValid(
+      GL_SRGB_EXT));
+  EXPECT_FALSE(info_->validators()->texture_internal_format.IsValid(
+      GL_SRGB_ALPHA_EXT));
+  EXPECT_FALSE(info_->validators()->render_buffer_format.IsValid(
+      GL_SRGB8_ALPHA8_EXT));
+  EXPECT_FALSE(info_->validators()->frame_buffer_parameter.IsValid(
+      GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING_EXT));
 }
 
 TEST_F(FeatureInfoTest, InitializeWithANGLE) {
@@ -433,6 +451,28 @@ TEST_F(FeatureInfoTest, InitializeEXT_read_format_bgra) {
       GL_BGRA8_EXT));
 }
 
+TEST_F(FeatureInfoTest, InitializeEXT_sRGB) {
+  SetupInitExpectations("GL_EXT_sRGB");
+  EXPECT_THAT(info_->extensions(),
+              HasSubstr("GL_EXT_sRGB"));
+  EXPECT_TRUE(info_->GetTextureFormatValidator(GL_SRGB_EXT).IsValid(
+      GL_UNSIGNED_BYTE));
+  EXPECT_TRUE(info_->GetTextureFormatValidator(GL_SRGB_ALPHA_EXT).IsValid(
+      GL_UNSIGNED_BYTE));
+  EXPECT_TRUE(info_->validators()->texture_format.IsValid(
+      GL_SRGB_EXT));
+  EXPECT_TRUE(info_->validators()->texture_format.IsValid(
+      GL_SRGB_ALPHA_EXT));
+  EXPECT_TRUE(info_->validators()->texture_internal_format.IsValid(
+      GL_SRGB_EXT));
+  EXPECT_TRUE(info_->validators()->texture_internal_format.IsValid(
+      GL_SRGB_ALPHA_EXT));
+  EXPECT_TRUE(info_->validators()->render_buffer_format.IsValid(
+      GL_SRGB8_ALPHA8_EXT));
+  EXPECT_TRUE(info_->validators()->frame_buffer_parameter.IsValid(
+      GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING_EXT));
+}
+
 TEST_F(FeatureInfoTest, InitializeEXT_texture_storage) {
   SetupInitExpectations("GL_EXT_texture_storage");
   EXPECT_TRUE(info_->feature_flags().ext_texture_storage);