Handle UNPACK_SKIP_* and PACK_SKIP_* parameters on the client side.

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 21b489862c1c16a5e53cbe050c1015377ed04b23..63d6b5f8c3fa0101e614958b4d2578a50de27086 100644
--- a/gpu/command_buffer/service/feature_info_unittest.cc
+++ b/gpu/command_buffer/service/feature_info_unittest.cc
@@ -323,9 +323,6 @@ TEST_P(FeatureInfoTest, InitializeNoExtensions) {
   EXPECT_FALSE(info_->validators()->frame_buffer_parameter.IsValid(
       GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING_EXT));
   EXPECT_FALSE(info_->feature_flags().chromium_image_ycbcr_422);
-  EXPECT_TRUE(info_->validators()->pixel_store.IsValid(GL_UNPACK_ROW_LENGTH));
-  EXPECT_TRUE(info_->validators()->pixel_store.IsValid(GL_UNPACK_SKIP_ROWS));
-  EXPECT_TRUE(info_->validators()->pixel_store.IsValid(GL_UNPACK_SKIP_PIXELS));
 }
 
 TEST_P(FeatureInfoTest, InitializeWithANGLE) {