4 files changed, 9 insertions, 7 deletions
diff --git a/net/base/net_module.cc b/net/base/net_module.cc
index d54a0a4..7c3f9c1 100644
--- a/net/base/net_module.cc
+++ b/net/base/net_module.cc
@@ -14,10 +14,10 @@ void NetModule::SetResourceProvider(ResourceProvider func) {
 }
 
 // static
-std::string NetModule::GetResource(int key) {
+StringPiece NetModule::GetResource(int key) {
   // avoid thread safety issues by copying provider address to a local var
   ResourceProvider func = resource_provider;
-  return func ? func(key) : std::string();
+  return func ? func(key) : StringPiece();
 }
 
 }  // namespace net
diff --git a/net/base/net_module.h b/net/base/net_module.h
index ef309ff..e527b9f 100644
--- a/net/base/net_module.h
+++ b/net/base/net_module.h
@@ -8,6 +8,7 @@
 #include <string>
 
 #include "base/basictypes.h"
+#include "base/string_piece.h"
 
 namespace net {
 
@@ -20,7 +21,7 @@ namespace net {
 //
 class NetModule {
  public:
-  typedef std::string (*ResourceProvider)(int key);
+  typedef StringPiece (*ResourceProvider)(int key);
 
   // Set the function to call when the net module needs resources
   static void SetResourceProvider(ResourceProvider func);
@@ -28,7 +29,7 @@ class NetModule {
   // Call the resource provider (if one exists) to get the specified resource.
   // Returns an empty string if the resource does not exist or if there is no
   // resource provider.
-  static std::string GetResource(int key);
+  static StringPiece GetResource(int key);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(NetModule);
diff --git a/net/base/net_util.cc b/net/base/net_util.cc
index 05419fb..1617d85 100644
--- a/net/base/net_util.cc
+++ b/net/base/net_util.cc
@@ -800,11 +800,12 @@ std::string CanonicalizeHost(const std::wstring& host, bool* is_ip_address) {
   
 #ifdef OS_WIN
 std::string GetDirectoryListingHeader(const std::string& title) {
-  std::string result = NetModule::GetResource(IDR_DIR_HEADER_HTML);
-  if (result.empty()) {
+  static const StringPiece header(NetModule::GetResource(IDR_DIR_HEADER_HTML));
+  if (header.empty()) {
     NOTREACHED() << "expected resource not found";
   }
 
+  std::string result(header.data(), header.size());
   result.append("<script>start(");
   string_escape::JavascriptDoubleQuote(title, true, &result);
   result.append(");</script>\n");
diff --git a/net/base/registry_controlled_domain.cc b/net/base/registry_controlled_domain.cc
index 3f4f024..f98a3f3 100644
--- a/net/base/registry_controlled_domain.cc
+++ b/net/base/registry_controlled_domain.cc
@@ -296,7 +296,7 @@ void RegistryControlledDomainService::UseDomainData(const std::string& data) {
 }
 
 void RegistryControlledDomainService::Init() {
-  domain_data_ = NetModule::GetResource(IDR_EFFECTIVE_TLD_NAMES);
+  domain_data_ = NetModule::GetResource(IDR_EFFECTIVE_TLD_NAMES).as_string();
   if (domain_data_.empty()) {
     // The resource file isn't present for some unit tests, for example.  Fall
     // back to a tiny, basic list of rules in that case.