Remove many _CAPS structure names.

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_config") {
   cflags = []
@@ skipping 1336 matching lines @@
       "xfa/src/fxfa/src/fm2js/xfa_fm2jscontext.h",
       "xfa/src/fxfa/src/fm2js/xfa_fmparse.cpp",
       "xfa/src/fxfa/src/fm2js/xfa_fmparse.h",
       "xfa/src/fxfa/src/fm2js/xfa_lexer.cpp",
       "xfa/src/fxfa/src/fm2js/xfa_lexer.h",
       "xfa/src/fxfa/src/fm2js/xfa_program.cpp",
       "xfa/src/fxfa/src/fm2js/xfa_program.h",
       "xfa/src/fxfa/src/fm2js/xfa_simpleexpression.cpp",
       "xfa/src/fxfa/src/fm2js/xfa_simpleexpression.h",
       "xfa/src/fxfa/src/parser/xfa_basic_data.cpp",
+      "xfa/src/fxfa/src/parser/xfa_basic_data.h",
       "xfa/src/fxfa/src/parser/xfa_basic_imp.cpp",
       "xfa/src/fxfa/src/parser/xfa_basic_imp.h",
       "xfa/src/fxfa/src/parser/xfa_document_datadescription_imp.cpp",
       "xfa/src/fxfa/src/parser/xfa_document_datadescription_imp.h",
       "xfa/src/fxfa/src/parser/xfa_document_datamerger_imp.cpp",
       "xfa/src/fxfa/src/parser/xfa_document_datamerger_imp.h",
       "xfa/src/fxfa/src/parser/xfa_document_imp.cpp",
       "xfa/src/fxfa/src/parser/xfa_document_layout_imp.cpp",
       "xfa/src/fxfa/src/parser/xfa_document_layout_imp.h",
       "xfa/src/fxfa/src/parser/xfa_document_serialize.cpp",
@@ skipping 147 matching lines @@
       "//v8:v8_libplatform",
     ]
     include_dirs += [
       "//v8",
       "//v8/include",
     ]
     configs += [ "//v8:external_startup_data" ]
   }
   configs += [ ":pdfium_config" ]
 }