Add new PDF plugin resources for print preview.

ppapi/c/private/ppb_pdf.h

 // Copyright (c) 2011 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.
 
 #ifndef PPAPI_C_PRIVATE_PPB_PDF_H_
 #define PPAPI_C_PRIVATE_PPB_PDF_H_
 
 #include "ppapi/c/dev/ppb_font_dev.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_resource.h"
@@ skipping 44 matching lines @@
   PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_6 = 29,
   PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_7 = 30,
   PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_8 = 31,
   PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_BACKGROUND = 32,
   PP_RESOURCEIMAGE_PDF_PAGE_DROPSHADOW = 33,
   PP_RESOURCEIMAGE_PDF_BUTTON_SAVE = 34,
   PP_RESOURCEIMAGE_PDF_BUTTON_SAVE_HOVER = 35,
   PP_RESOURCEIMAGE_PDF_BUTTON_SAVE_PRESSED = 36,
   PP_RESOURCEIMAGE_PDF_BUTTON_PRINT = 37,
   PP_RESOURCEIMAGE_PDF_BUTTON_PRINT_HOVER = 38,
-  PP_RESOURCEIMAGE_PDF_BUTTON_PRINT_PRESSED = 39
+  PP_RESOURCEIMAGE_PDF_BUTTON_PRINT_PRESSED = 39,
+  PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_END = 40,
+  PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_END_HOVER = 41,
+  PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_END_PRESSED = 42,
 } PP_ResourceImage;
 
 typedef enum {
   PP_PRIVATEFONTCHARSET_ANSI = 0,
   PP_PRIVATEFONTCHARSET_DEFAULT = 1,
   PP_PRIVATEFONTCHARSET_SYMBOL = 2,
   PP_PRIVATEFONTCHARSET_MAC = 77,
   PP_PRIVATEFONTCHARSET_SHIFTJIS = 128,
   PP_PRIVATEFONTCHARSET_HANGUL = 129,
   PP_PRIVATEFONTCHARSET_JOHAB = 130,
@@ skipping 74 matching lines @@
   void (*UserMetricsRecordAction)(struct PP_Var action);
 
   // Notifies the browser that the PDF has an unsupported feature.
   void (*HasUnsupportedFeature)(PP_Instance instance);
 
   // Invoke SaveAs... dialog, similar to the right-click or wrench menu.
   void (*SaveAs)(PP_Instance instance);
 };
 
 #endif  // PPAPI_C_PRIVATE_PPB_PDF_H_