Add constants for PDF 1.7 spec, table 3.4.

Add constants/stream_dict_common.h. The header lists all the constants
in the table in the same order. Constants that are not used at all are
commented out.

BUG=pdfium:1049

Change-Id: I6539090e0ad56319ea628883e388aeacef044e52
Reviewed-on: https://pdfium-review.googlesource.com/29090
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>

core/fpdfapi/page/cpdf_image.cpp

diff --git a/core/fpdfapi/page/cpdf_image.cpp b/core/fpdfapi/page/cpdf_image.cpp
index ec826dc..68a6a32 100644
--- a/core/fpdfapi/page/cpdf_image.cpp
+++ b/core/fpdfapi/page/cpdf_image.cpp
@@ -11,6 +11,7 @@
 #include <utility>
 #include <vector>
 
+#include "constants/stream_dict_common.h"
 #include "core/fpdfapi/cpdf_modulemgr.h"
 #include "core/fpdfapi/page/cpdf_page.h"
 #include "core/fpdfapi/parser/cpdf_array.h"
@@ -105,7 +106,8 @@
   pDict->SetNewFor<CPDF_Number>("BitsPerComponent", bits);
   pDict->SetNewFor<CPDF_Name>("Filter", "DCTDecode");
   if (!color_trans) {
-    CPDF_Dictionary* pParms = pDict->SetNewFor<CPDF_Dictionary>("DecodeParms");
+    CPDF_Dictionary* pParms =
+        pDict->SetNewFor<CPDF_Dictionary>(pdfium::stream::kDecodeParms);
     pParms->SetNewFor<CPDF_Number>("ColorTransform", 0);
   }
   m_bIsMask = false;