Move core/fpdfapi/fpdf_parser to core/fpdfapi/parser

BUG=pdfium:603

Review-Url: https://codereview.chromium.org/2392603004
diff --git a/core/fpdfapi/page/cpdf_textstate.cpp b/core/fpdfapi/page/cpdf_textstate.cpp
index ef19b87..85ca9e2 100644
--- a/core/fpdfapi/page/cpdf_textstate.cpp
+++ b/core/fpdfapi/page/cpdf_textstate.cpp
@@ -7,8 +7,8 @@
 #include "core/fpdfapi/page/cpdf_textstate.h"
 
 #include "core/fpdfapi/font/cpdf_font.h"
-#include "core/fpdfapi/fpdf_parser/cpdf_document.h"
 #include "core/fpdfapi/page/pageint.h"
+#include "core/fpdfapi/parser/cpdf_document.h"
 
 CPDF_TextState::CPDF_TextState() {}
 CPDF_TextState::~CPDF_TextState() {}