Port QuicServer to Chrome network stack

net/quic/quic_in_memory_cache.cc

Index: net/quic/quic_in_memory_cache.cc
diff --git a/net/quic/quic_in_memory_cache.cc b/net/quic/quic_in_memory_cache.cc
index 45d25b24e407759bd39de8a4fe923d6a2f759d43..628fe9a5fa8a9d0d8ee0d11e83ff642710317ace 100644
--- a/net/quic/quic_in_memory_cache.cc
+++ b/net/quic/quic_in_memory_cache.cc
@@ -4,7 +4,6 @@
 
 #include "net/quic/quic_in_memory_cache.h"
 
-#include "base/file_util.h"
 #include "base/files/file_enumerator.h"
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
@@ -20,9 +19,9 @@ using std::string;
 
 namespace net {
 
-namespace {
+FilePath::StringType g_quic_in_memory_cache_dir = FILE_PATH_LITERAL("");
 
-const FilePath::CharType* g_quic_in_memory_cache_dir = FILE_PATH_LITERAL("");
+namespace {
 
 // BalsaVisitor implementation (glue) which caches response bodies.
 class CachingBalsaVisitor : public NoOpBalsaVisitor {
@@ -132,7 +131,7 @@ void QuicInMemoryCache::ResetForTests() {
 
 void QuicInMemoryCache::Initialize() {
   // If there's no defined cache dir, we have no initialization to do.
-  if (g_quic_in_memory_cache_dir[0] == '\0') {
+  if (g_quic_in_memory_cache_dir.size() == 0) {
     VLOG(1) << "No cache directory found. Skipping initialization.";
     return;
   }
@@ -185,7 +184,8 @@ void QuicInMemoryCache::Initialize() {
       processed += file_contents.length();
     }
 
-    StringPiece base = file.AsUTF8Unsafe();
+    string utf8_file = file.AsUTF8Unsafe();
+    StringPiece base = utf8_file;
     if (response_headers.HasHeader("X-Original-Url")) {
       base = response_headers.GetHeader("X-Original-Url");
       response_headers.RemoveAllOfHeader("X-Original-Url");