Load net-internals resources from resources.pak.

base/data_pack.cc

Index: base/data_pack.cc
diff --git a/base/data_pack.cc b/base/data_pack.cc
index 4e5a569ac5dad0a89e3a1463b2f13b84da56e8ec..06f230803fd0cb7907443170e530e59945e86387 100644
--- a/base/data_pack.cc
+++ b/base/data_pack.cc
@@ -96,7 +96,7 @@ bool DataPack::Load(const FilePath& path) {
   return true;
 }
 
-bool DataPack::GetStringPiece(uint32 resource_id, StringPiece* data) {
+bool DataPack::GetStringPiece(uint32 resource_id, StringPiece* data) const {
   // 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 @@ bool DataPack::GetStringPiece(uint32 resource_id, StringPiece* data) {
   return true;
 }
 
-RefCountedStaticMemory* DataPack::GetStaticMemory(uint32 resource_id) {
+RefCountedStaticMemory* DataPack::GetStaticMemory(uint32 resource_id) const {
   base::StringPiece piece;
   if (!GetStringPiece(resource_id, &piece))
     return NULL;