Move CPDF_Type3Cache and CPDF_Type3Glyphs to their own files

BUILD.gn

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build_overrides/v8.gni")
 import("//testing/test.gni")
 import("pdfium.gni")
 
 config("pdfium_common_config") {
   cflags = []
@@ skipping 506 matching lines @@
     "core/fpdfapi/fpdf_parser/include/cpdf_number.h",
     "core/fpdfapi/fpdf_parser/include/cpdf_object.h",
     "core/fpdfapi/fpdf_parser/include/cpdf_parser.h",
     "core/fpdfapi/fpdf_parser/include/cpdf_reference.h",
     "core/fpdfapi/fpdf_parser/include/cpdf_simple_parser.h",
     "core/fpdfapi/fpdf_parser/include/cpdf_stream.h",
     "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h",
     "core/fpdfapi/fpdf_parser/include/cpdf_string.h",
     "core/fpdfapi/fpdf_parser/include/fpdf_parser_decode.h",
     "core/fpdfapi/fpdf_render/cpdf_pagerendercache.h",
+    "core/fpdfapi/fpdf_render/cpdf_type3cache.cpp",
+    "core/fpdfapi/fpdf_render/cpdf_type3cache.h",
+    "core/fpdfapi/fpdf_render/cpdf_type3glyphs.cpp",
+    "core/fpdfapi/fpdf_render/cpdf_type3glyphs.h",
     "core/fpdfapi/fpdf_render/fpdf_render.cpp",
     "core/fpdfapi/fpdf_render/fpdf_render_cache.cpp",
     "core/fpdfapi/fpdf_render/fpdf_render_image.cpp",
     "core/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp",
     "core/fpdfapi/fpdf_render/fpdf_render_pattern.cpp",
     "core/fpdfapi/fpdf_render/fpdf_render_text.cpp",
     "core/fpdfapi/fpdf_render/include/cpdf_progressiverenderer.h",
     "core/fpdfapi/fpdf_render/include/cpdf_rendercontext.h",
     "core/fpdfapi/fpdf_render/include/cpdf_renderoptions.h",
     "core/fpdfapi/fpdf_render/include/cpdf_textrenderer.h",
@@ skipping 1175 matching lines @@
 }
 
 if (pdf_is_standalone) {
   source_set("samples") {
     testonly = true
     deps = [
       "//samples",
     ]
   }
 }