Fixes for re-enabling more MSVC level 4 warnings: pdf/ edition

pdf/pdf_engine.h

Index: pdf/pdf_engine.h
diff --git a/pdf/pdf_engine.h b/pdf/pdf_engine.h
index ee1cb1ff000341f1f0569dc1d617de11ee1260f5..b8b6fda31565c87ea0d3ad618eaab5424ff8f157 100644
--- a/pdf/pdf_engine.h
+++ b/pdf/pdf_engine.h
@@ -29,10 +29,7 @@ namespace pp {
 class InputEvent;
 }
 
-#define kBackgroundColorR 204
-#define kBackgroundColorG 204
-#define kBackgroundColorB 204
-#define kBackgroundColorA 255
+const uint32 kBackgroundColor = 0xFFCCCCCC;

[Peter Kasting, 2014/07/08 21:28:25]

The old #defines treated the relevant values as signed, which caused signedness
mismatches when combining them into a uint32.  Using a const uint32 instead of a
macro for this kind of thing both solves this problem and makes a variety of
places shorter, but requires a pdfium change.

 
 namespace chrome_pdf {