Move core/fpdfapi/fpdf_page to core/fpdfapi/page

BUG=pdfium:603

Review-Url: https://codereview.chromium.org/2386423004
diff --git a/fpdfsdk/fpdfeditpage.cpp b/fpdfsdk/fpdfeditpage.cpp
index bc4013a..2b7c350 100644
--- a/fpdfsdk/fpdfeditpage.cpp
+++ b/fpdfsdk/fpdfeditpage.cpp
@@ -11,17 +11,17 @@
 #include <utility>
 
 #include "core/fpdfapi/edit/cpdf_pagecontentgenerator.h"
-#include "core/fpdfapi/fpdf_page/cpdf_form.h"
-#include "core/fpdfapi/fpdf_page/cpdf_formobject.h"
-#include "core/fpdfapi/fpdf_page/cpdf_imageobject.h"
-#include "core/fpdfapi/fpdf_page/cpdf_page.h"
-#include "core/fpdfapi/fpdf_page/cpdf_pageobject.h"
-#include "core/fpdfapi/fpdf_page/cpdf_pathobject.h"
-#include "core/fpdfapi/fpdf_page/cpdf_shadingobject.h"
 #include "core/fpdfapi/fpdf_parser/cpdf_array.h"
 #include "core/fpdfapi/fpdf_parser/cpdf_document.h"
 #include "core/fpdfapi/fpdf_parser/cpdf_number.h"
 #include "core/fpdfapi/fpdf_parser/cpdf_string.h"
+#include "core/fpdfapi/page/cpdf_form.h"
+#include "core/fpdfapi/page/cpdf_formobject.h"
+#include "core/fpdfapi/page/cpdf_imageobject.h"
+#include "core/fpdfapi/page/cpdf_page.h"
+#include "core/fpdfapi/page/cpdf_pageobject.h"
+#include "core/fpdfapi/page/cpdf_pathobject.h"
+#include "core/fpdfapi/page/cpdf_shadingobject.h"
 #include "core/fpdfdoc/cpdf_annot.h"
 #include "core/fpdfdoc/cpdf_annotlist.h"
 #include "fpdfsdk/fsdk_define.h"