Revert 50257 - Reland r50057. This is exactly the same except with two lines ...

base/data_pack.cc

Index: base/data_pack.cc
===================================================================
--- base/data_pack.cc	(revision 50259)
+++ base/data_pack.cc	(working copy)
@@ -96,7 +96,7 @@
   return true;
 }
 
-bool DataPack::GetStringPiece(uint32 resource_id, StringPiece* data) const {
+bool DataPack::GetStringPiece(uint32 resource_id, StringPiece* data) {
   // It won't be hard to make this endian-agnostic, but it's not worth
   // bothering to do right now.
 #if defined(__BYTE_ORDER)
@@ -119,7 +119,7 @@
   return true;
 }
 
-RefCountedStaticMemory* DataPack::GetStaticMemory(uint32 resource_id) const {
+RefCountedStaticMemory* DataPack::GetStaticMemory(uint32 resource_id) {
   base::StringPiece piece;
   if (!GetStringPiece(resource_id, &piece))
     return NULL;