Simplify PDFium by removing code that's not used in the open source repo.

-remove parameter from FPDF_InitLibrary
-remove a bunch of ifdefs that are unused

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/801913002

2 files changed, 1 insertions, 51 deletions

diff --git a/core/src/fxcodec/libjpeg/fpdfapi_jerror.c b/core/src/fxcodec/libjpeg/fpdfapi_jerror.c
index 42e4066757..943ced798f 100644
--- a/core/src/fxcodec/libjpeg/fpdfapi_jerror.c
+++ b/core/src/fxcodec/libjpeg/fpdfapi_jerror.c
@@ -11,11 +11,6 @@
  * stderr is the right thing to do.  Many applications will want to replace
  * some or all of these routines.
  *
- * If you define USE_WINDOWS_MESSAGEBOX in jconfig.h or in the makefile,
- * you get a Windows-specific hack to display error messages in a dialog box.
- * It ain't much, but it beats dropping error messages into the bit bucket,
- * which is what happens to output to stderr under most Windows C compilers.
- *
  * These routines are used by both the compression and decompression code.
  */
 
@@ -99,16 +94,8 @@ output_message (j_common_ptr cinfo)
   /* Create the message */
   (*cinfo->err->format_message) (cinfo, buffer);
 
-#ifdef USE_WINDOWS_MESSAGEBOX
-  /* Display it in a message dialog box */
-  MessageBox(GetActiveWindow(), buffer, "JPEG Library Error",
-	     MB_OK | MB_ICONERROR);
-#else
   /* Send it to stderr, adding a newline */
-#ifndef _FPDFAPI_MINI_
   FXSYS_fprintf(stderr, "%s\n", buffer);
-#endif
-#endif
 }
 
 
diff --git a/core/src/fxcodec/libjpeg/jmemsys.h b/core/src/fxcodec/libjpeg/jmemsys.h
index ef1481514b..896688181b 100644
--- a/core/src/fxcodec/libjpeg/jmemsys.h
+++ b/core/src/fxcodec/libjpeg/jmemsys.h
@@ -12,10 +12,7 @@
  *
  * This file works as-is for the system-dependent memory managers supplied
  * in the IJG distribution.  You may need to modify it if you write a
- * custom memory manager.  If system-dependent changes are needed in
- * this file, the best method is to #ifdef them based on a configuration
- * symbol supplied in jconfig.h, as we have done with USE_MSDOS_MEMMGR
- * and USE_MAC_MEMMGR.
+ * custom memory manager.
  */
 
 
@@ -115,25 +112,6 @@ EXTERN(long) jpeg_mem_available JPP((j_common_ptr cinfo,
 
 #define TEMP_NAME_LENGTH   64	/* max length of a temporary file's name */
 
-
-#ifdef USE_MSDOS_MEMMGR		/* DOS-specific junk */
-
-typedef unsigned short XMSH;	/* type of extended-memory handles */
-typedef unsigned short EMSH;	/* type of expanded-memory handles */
-
-typedef union {
-  short file_handle;		/* DOS file handle if it's a temp file */
-  XMSH xms_handle;		/* handle if it's a chunk of XMS */
-  EMSH ems_handle;		/* handle if it's a chunk of EMS */
-} handle_union;
-
-#endif /* USE_MSDOS_MEMMGR */
-
-#ifdef USE_MAC_MEMMGR		/* Mac-specific junk */
-#include <Files.h>
-#endif /* USE_MAC_MEMMGR */
-
-
 typedef struct backing_store_struct * backing_store_ptr;
 
 typedef struct backing_store_struct {
@@ -150,24 +128,9 @@ typedef struct backing_store_struct {
 				      backing_store_ptr info));
 
   /* Private fields for system-dependent backing-store management */
-#ifdef USE_MSDOS_MEMMGR
-  /* For the MS-DOS manager (jmemdos.c), we need: */
-  handle_union handle;		/* reference to backing-store storage object */
-  char temp_name[TEMP_NAME_LENGTH]; /* name if it's a file */
-#else
-#ifdef USE_MAC_MEMMGR
-  /* For the Mac manager (jmemmac.c), we need: */
-  short temp_file;		/* file reference number to temp file */
-  FSSpec tempSpec;		/* the FSSpec for the temp file */
-  char temp_name[TEMP_NAME_LENGTH]; /* name if it's a file */
-#else
   /* For a typical implementation with temp files, we need: */
-#ifndef _FPDFAPI_MINI_
   FXSYS_FILE * temp_file;		/* stdio reference to temp file */
   char temp_name[TEMP_NAME_LENGTH]; /* name of temp file */
-#endif
-#endif
-#endif
 } backing_store_info;