Add CreateFileSystemOperation() method to FileSystemContext

content/browser/file_system/file_system_dispatcher_host.h

Index: content/browser/file_system/file_system_dispatcher_host.h
diff --git a/content/browser/file_system/file_system_dispatcher_host.h b/content/browser/file_system/file_system_dispatcher_host.h
index 17fe2dbd2380a213182b081e45e7f47266ff807b..7f6f3ec119d1aa4f372b162c89d6db38397c562c 100644
--- a/content/browser/file_system/file_system_dispatcher_host.h
+++ b/content/browser/file_system/file_system_dispatcher_host.h
@@ -21,7 +21,7 @@ class Time;
 
 namespace fileapi {
 class FileSystemContext;
-class FileSystemOperation;
+class FileSystemOperationInterface;
 }
 
 namespace net {
@@ -88,13 +88,15 @@ class FileSystemDispatcherHost : public content::BrowserMessageFilter {
   void OnSyncGetPlatformPath(const GURL& path,
                              FilePath* platform_path);
 
-  // Creates a new FileSystemOperation.
-  fileapi::FileSystemOperation* GetNewOperation(int request_id);
+  // Creates a new FileSystemOperationInterface based on |target_path|.
+  fileapi::FileSystemOperationInterface* GetNewOperation(
+      const GURL& target_path,
+      int request_id);
 
   fileapi::FileSystemContext* context_;
 
   // Keeps ongoing file system operations.
-  typedef IDMap<fileapi::FileSystemOperation> OperationsMap;
+  typedef IDMap<fileapi::FileSystemOperationInterface> OperationsMap;
   OperationsMap operations_;
 
   // The getter holds the context until Init() can be called from the