Split fpdfdoc/include/fpdf_doc.h into individual classes.

BUILD.gn

Index: BUILD.gn
diff --git a/BUILD.gn b/BUILD.gn
index b6ecdad8e5119a29651294252edb1411c6a5ded7..cdbdf9aeefc39c88e9a7f9c9216ac641a9213f4c 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -199,9 +199,9 @@ static_library("fpdfdoc") {
     "core/fpdfdoc/clines.cpp",
     "core/fpdfdoc/clines.h",
     "core/fpdfdoc/cpdf_annot.cpp",
-    "core/fpdfdoc/cpdf_annot.h",
     "core/fpdfdoc/cpdf_annotlist.cpp",
-    "core/fpdfdoc/cpdf_annotlist.h",
+    "core/fpdfdoc/cpdf_apsettings.h",
+    "core/fpdfdoc/cpdf_pagelabel.h",
     "core/fpdfdoc/cpdf_variabletext.cpp",
     "core/fpdfdoc/cpvt_color.cpp",
     "core/fpdfdoc/cpvt_color.h",
@@ -234,7 +234,28 @@ static_library("fpdfdoc") {
     "core/fpdfdoc/doc_utils.h",
     "core/fpdfdoc/doc_viewerPreferences.cpp",
     "core/fpdfdoc/doc_vt.cpp",
+    "core/fpdfdoc/include/cpdf_aaction.h",
+    "core/fpdfdoc/include/cpdf_action.h",
+    "core/fpdfdoc/include/cpdf_actionfields.h",
+    "core/fpdfdoc/include/cpdf_annot.h",
+    "core/fpdfdoc/include/cpdf_annotlist.h",
+    "core/fpdfdoc/include/cpdf_bookmark.h",
+    "core/fpdfdoc/include/cpdf_bookmarktree.h",
+    "core/fpdfdoc/include/cpdf_defaultappearance.h",
+    "core/fpdfdoc/include/cpdf_dest.h",
+    "core/fpdfdoc/include/cpdf_docjsactions.h",
+    "core/fpdfdoc/include/cpdf_filespec.h",
+    "core/fpdfdoc/include/cpdf_formcontrol.h",
+    "core/fpdfdoc/include/cpdf_formfield.h",
+    "core/fpdfdoc/include/cpdf_iconfit.h",
+    "core/fpdfdoc/include/cpdf_interform.h",
+    "core/fpdfdoc/include/cpdf_link.h",
+    "core/fpdfdoc/include/cpdf_linklist.h",
+    "core/fpdfdoc/include/cpdf_metadata.h",
+    "core/fpdfdoc/include/cpdf_nametree.h",
+    "core/fpdfdoc/include/cpdf_occontext.h",
     "core/fpdfdoc/include/cpdf_variabletext.h",
+    "core/fpdfdoc/include/cpdf_viewerpreferences.h",
     "core/fpdfdoc/include/cpvt_line.h",
     "core/fpdfdoc/include/cpvt_secprops.h",
     "core/fpdfdoc/include/cpvt_section.h",
@@ -242,8 +263,8 @@ static_library("fpdfdoc") {
     "core/fpdfdoc/include/cpvt_wordplace.h",
     "core/fpdfdoc/include/cpvt_wordprops.h",
     "core/fpdfdoc/include/cpvt_wordrange.h",
-    "core/fpdfdoc/include/fpdf_doc.h",
     "core/fpdfdoc/include/fpdf_tagged.h",
+    "core/fpdfdoc/include/ipdf_formnotify.h",
     "core/fpdfdoc/ipvt_fontmap.h",
     "core/fpdfdoc/pdf_vt.h",
     "core/fpdfdoc/tagged_int.h",