Remove more unused forward declarations, part 3.

Update files in the in fxjs, fxbarcode, and fgas directories.

Change-Id: Ia44de66015ff962766fdf2dcdcd066594d7ae3e7
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/78651
Auto-Submit: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Daniel Hosseinian <dhoss@chromium.org>
Reviewed-by: Daniel Hosseinian <dhoss@chromium.org>

fxbarcode/cbc_codebase.h

diff --git a/fxbarcode/cbc_codebase.h b/fxbarcode/cbc_codebase.h
index 2462242..752e0da 100644
--- a/fxbarcode/cbc_codebase.h
+++ b/fxbarcode/cbc_codebase.h
@@ -14,9 +14,7 @@
 #include "core/fxge/dib/fx_dib.h"
 #include "fxbarcode/BC_Library.h"
 
-class CBC_Reader;
 class CBC_Writer;
-class CFX_DIBitmap;
 class CFX_Matrix;
 class CFX_RenderDevice;
 

fxbarcode/oned/BC_OnedEAN13Writer.h

diff --git a/fxbarcode/oned/BC_OnedEAN13Writer.h b/fxbarcode/oned/BC_OnedEAN13Writer.h
index 88fa9cb..c1d7209 100644
--- a/fxbarcode/oned/BC_OnedEAN13Writer.h
+++ b/fxbarcode/oned/BC_OnedEAN13Writer.h
@@ -11,7 +11,6 @@
 #include "core/fxcrt/fx_system.h"
 #include "fxbarcode/oned/BC_OnedEANWriter.h"
 
-class CFX_DIBitmap;
 class CFX_RenderDevice;
 
 class CBC_OnedEAN13Writer final : public CBC_OneDimEANWriter {

fxbarcode/oned/BC_OnedEAN8Writer.h

diff --git a/fxbarcode/oned/BC_OnedEAN8Writer.h b/fxbarcode/oned/BC_OnedEAN8Writer.h
index b71dbb9..ee57e53 100644
--- a/fxbarcode/oned/BC_OnedEAN8Writer.h
+++ b/fxbarcode/oned/BC_OnedEAN8Writer.h
@@ -12,7 +12,6 @@
 #include "fxbarcode/BC_Library.h"
 #include "fxbarcode/oned/BC_OnedEANWriter.h"
 
-class CFX_DIBitmap;
 class CFX_RenderDevice;
 
 class CBC_OnedEAN8Writer final : public CBC_OneDimEANWriter {

fxbarcode/oned/BC_OnedUPCAWriter.h

diff --git a/fxbarcode/oned/BC_OnedUPCAWriter.h b/fxbarcode/oned/BC_OnedUPCAWriter.h
index 991dfe6..a644c41 100644
--- a/fxbarcode/oned/BC_OnedUPCAWriter.h
+++ b/fxbarcode/oned/BC_OnedUPCAWriter.h
@@ -14,7 +14,6 @@
 #include "fxbarcode/oned/BC_OnedEANWriter.h"
 
 class CBC_OnedEAN13Writer;
-class CFX_DIBitmap;
 class CFX_Matrix;
 class CFX_RenderDevice;
 

fxbarcode/qrcode/BC_QRCoder.h

diff --git a/fxbarcode/qrcode/BC_QRCoder.h b/fxbarcode/qrcode/BC_QRCoder.h
index ec9bb09..d7bb840 100644
--- a/fxbarcode/qrcode/BC_QRCoder.h
+++ b/fxbarcode/qrcode/BC_QRCoder.h
@@ -12,7 +12,6 @@
 #include "core/fxcrt/unowned_ptr.h"
 
 class CBC_QRCoderErrorCorrectionLevel;
-class CBC_QRCoderMode;
 class CBC_CommonByteMatrix;
 
 class CBC_QRCoder final {

fxjs/cfx_globaldata.h

diff --git a/fxjs/cfx_globaldata.h b/fxjs/cfx_globaldata.h
index 421a3b4..fb5c080 100644
--- a/fxjs/cfx_globaldata.h
+++ b/fxjs/cfx_globaldata.h
@@ -16,8 +16,6 @@
 #include "third_party/base/optional.h"
 #include "third_party/base/span.h"
 
-class CPDFSDK_FormFillEnvironment;
-
 class CFX_GlobalData {
  public:
   class Delegate {

fxjs/cfxjs_engine.h

diff --git a/fxjs/cfxjs_engine.h b/fxjs/cfxjs_engine.h
index dca17a1..712de73 100644
--- a/fxjs/cfxjs_engine.h
+++ b/fxjs/cfxjs_engine.h
@@ -28,10 +28,6 @@
 class CJS_Object;
 class V8TemplateMap;
 
-// CFXJS_ENGINE places no restrictions on this class; it merely passes it
-// on to caller-provided methods.
-class IJS_EventContext;  // A description of the event that caused JS execution.
-
 enum FXJSOBJTYPE {
   FXJSOBJTYPE_DYNAMIC = 0,  // Created by native method and returned to JS.
   FXJSOBJTYPE_STATIC,       // Created by init and hung off of global object.

fxjs/cjs_document.h

diff --git a/fxjs/cjs_document.h b/fxjs/cjs_document.h
index ae855f5..860c5e9 100644
--- a/fxjs/cjs_document.h
+++ b/fxjs/cjs_document.h
@@ -17,7 +17,6 @@
 
 class CPDFSDK_InteractiveForm;
 class CPDF_InteractiveForm;
-class CPDF_TextObject;
 struct CJS_DelayData;
 
 class CJS_Document final : public CJS_Object, public Observable {

fxjs/cjs_field.h

diff --git a/fxjs/cjs_field.h b/fxjs/cjs_field.h
index fca91ea..dd06b5f 100644
--- a/fxjs/cjs_field.h
+++ b/fxjs/cjs_field.h
@@ -14,7 +14,6 @@
 #include "fxjs/js_define.h"
 
 class CPDF_FormControl;
-class CPDFSDK_Widget;
 struct CJS_DelayData;
 
 enum FIELD_PROP {

xfa/fgas/font/cfgas_fontmgr.h

diff --git a/xfa/fgas/font/cfgas_fontmgr.h b/xfa/fgas/font/cfgas_fontmgr.h
index dda900d..6010a69 100644
--- a/xfa/fgas/font/cfgas_fontmgr.h
+++ b/xfa/fgas/font/cfgas_fontmgr.h
@@ -21,7 +21,6 @@
 #include "core/fxge/fx_freetype.h"
 
 class CFGAS_GEFont;
-class CFX_FontMapper;
 class IFX_SeekableReadStream;
 
 #if defined(OS_WIN)

xfa/fgas/graphics/cfgas_gepattern.h

diff --git a/xfa/fgas/graphics/cfgas_gepattern.h b/xfa/fgas/graphics/cfgas_gepattern.h
index 8d3b3eb..d3e5760 100644
--- a/xfa/fgas/graphics/cfgas_gepattern.h
+++ b/xfa/fgas/graphics/cfgas_gepattern.h
@@ -11,9 +11,6 @@
 #include "core/fxcrt/fx_system.h"
 #include "xfa/fgas/graphics/cfgas_gegraphics.h"
 
-class CFX_DIBitmap;
-class CFX_Matrix;
-
 class CFGAS_GEPattern final {
  public:
   CFGAS_GEPattern(FX_HatchStyle hatchStyle,

xfa/fgas/layout/cfx_rtfbreak.h

diff --git a/xfa/fgas/layout/cfx_rtfbreak.h b/xfa/fgas/layout/cfx_rtfbreak.h
index 2a722b0..e056b61 100644
--- a/xfa/fgas/layout/cfx_rtfbreak.h
+++ b/xfa/fgas/layout/cfx_rtfbreak.h
@@ -15,7 +15,6 @@
 #include "core/fxcrt/retain_ptr.h"
 #include "xfa/fgas/layout/cfx_break.h"
 
-class CFGAS_GEFont;
 class CFX_TextUserData;
 class CFX_TextPiece;
 class TextCharPos;