Merge the CFWL_*Imp classes into the IFWL_* classes.

This Cl merges the implementation classes up into the IFWL classes as the
intermediate classes were just acting as proxies.

Review-Url: https://chromiumcodereview.appspot.com/2432423002

core/fpdfapi/page/cpdf_textstate.cpp

diff --git a/core/fpdfapi/page/cpdf_textstate.cpp b/core/fpdfapi/page/cpdf_textstate.cpp
index cce036c..990c9cc 100644
--- a/core/fpdfapi/page/cpdf_textstate.cpp
+++ b/core/fpdfapi/page/cpdf_textstate.cpp
@@ -6,8 +6,8 @@
 
 #include "core/fpdfapi/page/cpdf_textstate.h"
 
-#include "core/fpdfapi/page/cpdf_docpagedata.h"
 #include "core/fpdfapi/font/cpdf_font.h"
+#include "core/fpdfapi/page/cpdf_docpagedata.h"
 #include "core/fpdfapi/parser/cpdf_document.h"
 
 CPDF_TextState::CPDF_TextState() {}