Move networking_private to src/extensions

extensions/shell/browser/shell_extensions_browser_client.cc

Index: extensions/shell/browser/shell_extensions_browser_client.cc
diff --git a/extensions/shell/browser/shell_extensions_browser_client.cc b/extensions/shell/browser/shell_extensions_browser_client.cc
index 013714c8e45bd9a472e739302cd57d44c549845c..35c6d62e35c55beae6e436214ba41d51f28f6a59 100644
--- a/extensions/shell/browser/shell_extensions_browser_client.cc
+++ b/extensions/shell/browser/shell_extensions_browser_client.cc
@@ -4,6 +4,7 @@
 
 #include "extensions/shell/browser/shell_extensions_browser_client.h"
 
+#include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "extensions/browser/api/extensions_api_client.h"
 #include "extensions/browser/api/generated_api_registration.h"
@@ -71,6 +72,13 @@ BrowserContext* ShellExtensionsBrowserClient::GetOriginalContext(
   return context;
 }
 
+#if defined(OS_CHROMEOS)
+std::string ShellExtensionsBrowserClient::GetUserIdHashFromContext(
+    content::BrowserContext* context) {
+  return "";
+}
+#endif
+
 bool ShellExtensionsBrowserClient::IsGuestSession(
     BrowserContext* context) const {
   return false;