[fsp] Add FileSystemURLParser to the file system provider.

chrome/browser/chromeos/file_system_provider/service.h

Index: chrome/browser/chromeos/file_system_provider/service.h
diff --git a/chrome/browser/chromeos/file_system_provider/service.h b/chrome/browser/chromeos/file_system_provider/service.h
index ce98392f3e1f985a7e13c2100ad5e1c69cf653b5..05293629486dce2ac8a9e532a8148f5b919d32f8 100644
--- a/chrome/browser/chromeos/file_system_provider/service.h
+++ b/chrome/browser/chromeos/file_system_provider/service.h
@@ -10,6 +10,7 @@
 #include <vector>
 
 #include "base/files/file.h"
+#include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
@@ -74,6 +75,11 @@ class Service : public KeyedService {
       const std::string& extension_id,
       int file_system_id);
 
+  // Returns a provided file system attached to the the passed
+  // |mount_point_name|. If not found, then returns NULL.
+  ProvidedFileSystemInterface* GetProvidedFileSystem(
+      const std::string& mount_point_name);
+
   // Adds and removes observers.
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
@@ -86,6 +92,7 @@ class Service : public KeyedService {
 
  private:
   typedef std::map<int, ProvidedFileSystemInterface*> ProvidedFileSystemMap;
+  typedef std::map<std::string, int> MountPointNameToIdMap;
 
   // Called when the providing extension accepts or refuses a unmount request.
   // If |error| is equal to FILE_OK, then the request is accepted.
@@ -96,6 +103,7 @@ class Service : public KeyedService {
   FileSystemFactoryCallback file_system_factory_;
   ObserverList<Observer> observers_;
   ProvidedFileSystemMap file_system_map_;  // Owns pointers.
+  MountPointNameToIdMap mount_point_name_to_id_map_;
   int next_id_;
   base::WeakPtrFactory<Service> weak_ptr_factory_;