Fix IWYU in pdfwindow/ directory.

This also fixes some IWYU in dependent files.
BUG=https://code.google.com/p/pdfium/issues/detail?id=66
R=thestig@chromium.org

Review URL: https://codereview.chromium.org/1068993002

1 files changed, 15 insertions, 11 deletions

diff --git a/fpdfsdk/include/pdfwindow/PWL_Note.h b/fpdfsdk/include/pdfwindow/PWL_Note.h
index 125271f48f..25290928db 100644
--- a/fpdfsdk/include/pdfwindow/PWL_Note.h
+++ b/fpdfsdk/include/pdfwindow/PWL_Note.h
@@ -7,23 +7,27 @@
 #ifndef _PWL_NOTE_H_
 #define _PWL_NOTE_H_
 
-class IPWL_NoteNotify;
-class IPWL_NoteHandler;
-class IPWL_NoteItem;
-class CPWL_NoteItem;
-class CPWL_Note;
+#include "PWL_Button.h"
+#include "PWL_Edit.h"
+#include "PWL_ListCtrl.h"
+#include "PWL_ScrollBar.h"
+#include "PWL_Wnd.h"
+
 class CPWL_Label;
-class CPWL_Edit;
-class CPWL_Note_Icon;
+class CPWL_Note;
+class CPWL_NoteItem;
 class CPWL_Note_CloseBox;
-class CPWL_Note_LBBox;
-class CPWL_Note_RBBox;
+class CPWL_Note_Contents;
 class CPWL_Note_Edit;
+class CPWL_Note_Icon;
+class CPWL_Note_LBBox;
 class CPWL_Note_Options;
-class CPWL_Note_Contents;
+class CPWL_Note_RBBox;
+class IPWL_NoteHandler;
+class IPWL_NoteItem;
+class IPWL_NoteNotify;
 class IPopup_Note;
 
-
 class IPWL_NoteNotify
 {
 public: