Move CPDF_DocRenderData from render_int

BUILD.gn

Index: BUILD.gn
diff --git a/BUILD.gn b/BUILD.gn
index d7cab2d3a3b8877d913915b4d635c0ddc6cb8df0..6b9f739942736addd6194d5d647875e09a54e21c 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -534,6 +534,8 @@ static_library("fpdfapi") {
     "core/fpdfapi/parser/fpdf_parser_decode.h",
     "core/fpdfapi/parser/fpdf_parser_utility.cpp",
     "core/fpdfapi/parser/fpdf_parser_utility.h",
+    "core/fpdfapi/render/cpdf_docrenderdata.cpp",
+    "core/fpdfapi/render/cpdf_docrenderdata.h",
     "core/fpdfapi/render/cpdf_pagerendercache.h",
     "core/fpdfapi/render/cpdf_progressiverenderer.h",
     "core/fpdfapi/render/cpdf_rendercontext.h",