Add CHROMIUM_ycbcr_422_image extension.

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 be78a0448fd7590bf408b8d5072dd9a6559cdbd8..47a1999879fd51b7c02faf91c91d05ebd12bb688 100644
--- a/gpu/command_buffer/service/feature_info_unittest.cc
+++ b/gpu/command_buffer/service/feature_info_unittest.cc
@@ -293,6 +293,7 @@ TEST_P(FeatureInfoTest, InitializeNoExtensions) {
       GL_SRGB8_ALPHA8_EXT));
   EXPECT_FALSE(info_->validators()->frame_buffer_parameter.IsValid(
       GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING_EXT));
+  EXPECT_FALSE(info_->feature_flags().chromium_image_ycbcr_422);
 }
 
 TEST_P(FeatureInfoTest, InitializeWithANGLE) {
@@ -1363,5 +1364,10 @@ TEST_P(FeatureInfoTest, InitializeARB_texture_rgNoFloat) {
   EXPECT_TRUE(info_->validators()->render_buffer_format.IsValid(GL_RG8_EXT));
 }
 
+TEST_P(FeatureInfoTest, InitializeCHROMIUM_ycbcr_422_imageTrue) {
+  SetupInitExpectations("GL_APPLE_ycbcr_422");
+  EXPECT_TRUE(info_->feature_flags().chromium_image_ycbcr_422);
+}
+
 }  // namespace gles2
 }  // namespace gpu