Merge to XFA: Cache the CPDF_Annot's subtype, since it should never changes.
-rw-r--r-- 231 .gitignore
-rw-r--r-- 973 AUTHORS
-rw-r--r-- 70442 BUILD.gn
-rw-r--r-- 990 DEPS
-rw-r--r-- 1553 LICENSE
-rw-r--r-- 128 OWNERS
-rw-r--r-- 72 README
drwxr-xr-x - build
-rw-r--r-- 507 codereview.settings
drwxr-xr-x - core
drwxr-xr-x - fpdfsdk
-rw-r--r-- 41765 pdfium.gyp
drwxr-xr-x - public
drwxr-xr-x - samples
drwxr-xr-x - test
drwxr-xr-x - testing
drwxr-xr-x - third_party
-rw-r--r-- 36440 xfa.gyp
drwxr-xr-x - xfa