Remove invariant for input in fragment shader

gpu/command_buffer/service/gles2_cmd_decoder.cc

Index: gpu/command_buffer/service/gles2_cmd_decoder.cc
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder.cc b/gpu/command_buffer/service/gles2_cmd_decoder.cc
index ddde508545de014f8f11dfcdd643fd8400d9f612..166a025db2f4b19426a07051a0ff9dfd165fe76d 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder.cc
@@ -3822,6 +3822,8 @@ bool GLES2DecoderImpl::InitializeShaderTranslator() {
     driver_bug_workarounds |= SH_EMULATE_ISNAN_FLOAT_FUNCTION;
   if (workarounds().use_unused_standard_shared_blocks)
     driver_bug_workarounds |= SH_USE_UNUSED_STANDARD_SHARED_BLOCKS;
+  if (workarounds().dont_remove_invariant_for_fragment_input)
+    driver_bug_workarounds |= SH_DONT_REMOVE_INVARIANT_FOR_FRAGMENT_INPUT;
 
   resources.WEBGL_debug_shader_precision =
       group_->gpu_preferences().emulate_shader_precision;