Add initial code to do filename munging in the FileSystem....

webkit/fileapi/file_system_context.cc

Index: webkit/fileapi/file_system_context.cc
===================================================================
--- webkit/fileapi/file_system_context.cc	(revision 74905)
+++ webkit/fileapi/file_system_context.cc	(working copy)
@@ -6,9 +6,11 @@
 
 #include "base/file_util.h"
 #include "base/message_loop_proxy.h"
+#include "webkit/fileapi/file_system_file_util_proxy.h"
 #include "webkit/fileapi/file_system_path_manager.h"
 #include "webkit/fileapi/file_system_quota_manager.h"
 #include "webkit/fileapi/file_system_usage_tracker.h"
+#include "webkit/fileapi/obfuscated_file_util.h"
 
 namespace fileapi {
 
@@ -18,7 +20,8 @@
     const FilePath& profile_path,
     bool is_incognito,
     bool allow_file_access,
-    bool unlimited_quota)
+    bool unlimited_quota,
+    bool obfuscate)
     : file_message_loop_(file_message_loop),
       io_message_loop_(io_message_loop),
       path_manager_(new FileSystemPathManager(
@@ -27,6 +30,10 @@
           allow_file_access, unlimited_quota)),
       usage_tracker_(new FileSystemUsageTracker(
           file_message_loop, profile_path, is_incognito)) {
+    if (obfuscate)
+      file_system_file_util_ = ObfuscatedFileUtil::GetInstance();
+    else
+      file_system_file_util_ = FileSystemFileUtil::GetInstance();
 }
 
 FileSystemContext::~FileSystemContext() {