Modify content::GetFontTable so clients can control what is read.

chrome/renderer/pepper/ppb_pdf_impl.cc

Index: chrome/renderer/pepper/ppb_pdf_impl.cc
diff --git a/chrome/renderer/pepper/ppb_pdf_impl.cc b/chrome/renderer/pepper/ppb_pdf_impl.cc
index 0198b196434cec3e1a84f72c809eec4caddae0a4..07348140bdf1cdee31b808b9a93a22e2e5843da4 100644
--- a/chrome/renderer/pepper/ppb_pdf_impl.cc
+++ b/chrome/renderer/pepper/ppb_pdf_impl.cc
@@ -61,7 +61,7 @@ class PrivateFontFile : public ppapi::Resource {
                     uint32_t* output_length) {
     size_t temp_size = static_cast<size_t>(*output_length);
     bool rv = content::GetFontTable(
-        fd_, table, static_cast<uint8_t*>(output), &temp_size);
+        fd_, table, 0 /* offset */, static_cast<uint8_t*>(output), &temp_size);
     *output_length = static_cast<uint32_t>(temp_size);

[palmer, 2013/03/14 19:26:43]

I'd use checked_numeric_cast (from base/) instead, to ensure no truncation
problems.

[bbudge, 2013/03/15 22:25:34]

Done.

     return rv;
   }