fix --show-composited-layer-borders on Mac

gpu/command_buffer/service/gles2_cmd_decoder_passthrough_handlers_autogen.cc

Index: gpu/command_buffer/service/gles2_cmd_decoder_passthrough_handlers_autogen.cc
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_passthrough_handlers_autogen.cc b/gpu/command_buffer/service/gles2_cmd_decoder_passthrough_handlers_autogen.cc
index 6f3935fa187b1465cba240030dd98a714faa14a9..6aff0ab07cc5215082e20a600a87f5dddc0200a4 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_passthrough_handlers_autogen.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_passthrough_handlers_autogen.cc
@@ -1931,19 +1931,6 @@ error::Error GLES2DecoderPassthroughImpl::HandleIsTransformFeedback(
   return error::kNoError;
 }
 
-error::Error GLES2DecoderPassthroughImpl::HandleLineWidth(
-    uint32_t immediate_data_size,
-    const volatile void* cmd_data) {
-  const volatile gles2::cmds::LineWidth& c =
-      *static_cast<const volatile gles2::cmds::LineWidth*>(cmd_data);
-  GLfloat width = static_cast<GLfloat>(c.width);
-  error::Error error = DoLineWidth(width);
-  if (error != error::kNoError) {
-    return error;
-  }
-  return error::kNoError;
-}
-
 error::Error GLES2DecoderPassthroughImpl::HandleLinkProgram(
     uint32_t immediate_data_size,
     const volatile void* cmd_data) {