[WIP] Provided file system from NACL.

chrome/browser/chromeos/file_system_provider/provided_file_system_info.h

Index: chrome/browser/chromeos/file_system_provider/provided_file_system_info.h
diff --git a/chrome/browser/chromeos/file_system_provider/provided_file_system_info.h b/chrome/browser/chromeos/file_system_provider/provided_file_system_info.h
index 53a610f8a4fc8201fa5a1c604e195097c4f9a2b5..a63cded08616c06020a16a5d7f79b48d913a18f1 100644
--- a/chrome/browser/chromeos/file_system_provider/provided_file_system_info.h
+++ b/chrome/browser/chromeos/file_system_provider/provided_file_system_info.h
@@ -8,6 +8,7 @@
 #include <string>
 
 #include "base/files/file_path.h"
+#include "chrome/browser/chromeos/file_system_provider/provided_file_system_defs.h"
 
 namespace chromeos {
 namespace file_system_provider {
@@ -36,13 +37,25 @@ class ProvidedFileSystemInfo {
  public:
   ProvidedFileSystemInfo();
 
-  ProvidedFileSystemInfo(const std::string& extension_id,
+  ProvidedFileSystemInfo(const std::string& source_id,
                          const MountOptions& mount_options,
-                         const base::FilePath& mount_path);
+                         const base::FilePath& mount_path,
+                         Source_Type type = Source_Type::extension);
 
   ~ProvidedFileSystemInfo();
 
-  const std::string& extension_id() const { return extension_id_; }
+  // return the source or an empty string if the source type
+  // is not the same as the expected one
+  const std::string extension_id() const {
+    return get_source_id(Source_Type::extension);
+  }
+  const std::string plugin_id() const {
+    return get_source_id(Source_Type::plugin);
+  }
+  const std::string source_id() const { return get_source_id(source_type_); }
+
+  Source_Type source_type() const { return source_type_; }
+
   const std::string& file_system_id() const { return file_system_id_; }
   const std::string& display_name() const { return display_name_; }
   bool writable() const { return writable_; }
@@ -52,8 +65,10 @@ class ProvidedFileSystemInfo {
   const base::FilePath& mount_path() const { return mount_path_; }
 
  private:
-  // ID of the extension providing this file system.
-  std::string extension_id_;
+  // Return the source that is providing the file system
+  const std::string get_source_id(Source_Type type) const;
+  // ID of the source providing this file system.
+  std::string source_id_;
 
   // ID of the file system.
   std::string file_system_id_;
@@ -75,6 +90,9 @@ class ProvidedFileSystemInfo {
 
   // Mount path of the underlying file system.
   base::FilePath mount_path_;
+
+  // The source of the filesystem
+  Source_Type source_type_;
 };
 
 }  // namespace file_system_provider