Remove unused code.

xfa.gyp

Index: xfa.gyp
diff --git a/xfa.gyp b/xfa.gyp
index 9df9a1121700f09016dd5a6af625dce078629a25..da0492bf853b236de8ac83786af6428243b8889e 100644
--- a/xfa.gyp
+++ b/xfa.gyp
@@ -218,16 +218,8 @@
         "xfa/fwl/lightwidget/cfwl_picturebox.h",
         "xfa/fwl/lightwidget/cfwl_pushbutton.cpp",
         "xfa/fwl/lightwidget/cfwl_pushbutton.h",
-        "xfa/fwl/lightwidget/cfwl_scrollbar.cpp",
-        "xfa/fwl/lightwidget/cfwl_scrollbar.h",
-        "xfa/fwl/lightwidget/cfwl_theme.cpp",
-        "xfa/fwl/lightwidget/cfwl_theme.h",
-        "xfa/fwl/lightwidget/cfwl_tooltip.cpp",
-        "xfa/fwl/lightwidget/cfwl_tooltip.h",
         "xfa/fwl/lightwidget/cfwl_widget.cpp",
         "xfa/fwl/lightwidget/cfwl_widget.h",
-        "xfa/fwl/lightwidget/cfwl_widgetdelegate.cpp",
-        "xfa/fwl/lightwidget/cfwl_widgetdelegate.h",
         "xfa/fwl/lightwidget/cfwl_widgetproperties.cpp",
         "xfa/fwl/lightwidget/cfwl_widgetproperties.h",
         "xfa/fwl/theme/cfwl_barcodetp.cpp",
@@ -242,8 +234,6 @@
         "xfa/fwl/theme/cfwl_datetimepickertp.h",
         "xfa/fwl/theme/cfwl_edittp.cpp",
         "xfa/fwl/theme/cfwl_edittp.h",
-        "xfa/fwl/theme/cfwl_formtp.cpp",
-        "xfa/fwl/theme/cfwl_formtp.h",
         "xfa/fwl/theme/cfwl_listboxtp.cpp",
         "xfa/fwl/theme/cfwl_listboxtp.h",
         "xfa/fwl/theme/cfwl_monthcalendartp.cpp",
@@ -260,8 +250,6 @@
         "xfa/fxbarcode/BC_Dimension.cpp",
         "xfa/fxbarcode/BC_Dimension.h",
         "xfa/fxbarcode/BC_Library.cpp",
-        "xfa/fxbarcode/BC_ResultPoint.cpp",
-        "xfa/fxbarcode/BC_ResultPoint.h",
         "xfa/fxbarcode/BC_TwoDimWriter.cpp",
         "xfa/fxbarcode/BC_TwoDimWriter.h",
         "xfa/fxbarcode/BC_UtilCodingConvert.cpp",
@@ -295,14 +283,10 @@
         "xfa/fxbarcode/common/BC_CommonBitArray.h",
         "xfa/fxbarcode/common/BC_CommonBitMatrix.cpp",
         "xfa/fxbarcode/common/BC_CommonBitMatrix.h",
-        "xfa/fxbarcode/common/BC_CommonBitSource.cpp",
-        "xfa/fxbarcode/common/BC_CommonBitSource.h",
         "xfa/fxbarcode/common/BC_CommonByteArray.cpp",
         "xfa/fxbarcode/common/BC_CommonByteArray.h",
         "xfa/fxbarcode/common/BC_CommonByteMatrix.cpp",
         "xfa/fxbarcode/common/BC_CommonByteMatrix.h",
-        "xfa/fxbarcode/common/BC_CommonPerspectiveTransform.cpp",
-        "xfa/fxbarcode/common/BC_CommonPerspectiveTransform.h",
         "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomon.cpp",
         "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomon.h",
         "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.cpp",
@@ -360,8 +344,6 @@
         "xfa/fxbarcode/pdf417/BC_PDF417BarcodeMatrix.h",
         "xfa/fxbarcode/pdf417/BC_PDF417BarcodeRow.cpp",
         "xfa/fxbarcode/pdf417/BC_PDF417BarcodeRow.h",
-        "xfa/fxbarcode/pdf417/BC_PDF417Codeword.cpp",
-        "xfa/fxbarcode/pdf417/BC_PDF417Codeword.h",
         "xfa/fxbarcode/pdf417/BC_PDF417Compaction.cpp",
         "xfa/fxbarcode/pdf417/BC_PDF417Compaction.h",
         "xfa/fxbarcode/pdf417/BC_PDF417ErrorCorrection.cpp",