Add fileManagerPrivate.onCopyError event.

storage/browser/fileapi/file_system_operation.h

Index: storage/browser/fileapi/file_system_operation.h
diff --git a/storage/browser/fileapi/file_system_operation.h b/storage/browser/fileapi/file_system_operation.h
index bc5bc879a845d2df25d569d6f6c459a979b121d1..aaf87f8018579a6f560efb439a4f838f04eb2855 100644
--- a/storage/browser/fileapi/file_system_operation.h
+++ b/storage/browser/fileapi/file_system_operation.h
@@ -68,12 +68,6 @@ class FileSystemOperation {
   // Used for CreateFile(), etc. |result| is the return code of the operation.
   typedef base::Callback<void(base::File::Error result)> StatusCallback;
 
-  // Called when an error had happened during operation.
-  // |url| is the url of processed entry.
-  // |error| is the error code of the failed operation.
-  typedef base::Callback<void(const FileSystemURL& url,
-                              base::File::Error error)> ErrorCallback;
-
   // Used for GetMetadata(). |result| is the return code of the operation,
   // |file_info| is the obtained file info.
   typedef base::Callback<
@@ -126,6 +120,13 @@ class FileSystemOperation {
            const scoped_refptr<storage::ShareableFileReference>& file_ref)>
       SnapshotFileCallback;
 
+  // Used to specify how recursive operation delegate behaves for errors.
+  // With ERROR_BEHAVIOR_TERMINATE, it stops following operation when it fails
+  // an operation.
+  // With ERROR_BEHAVIOR_CONTINUE, it continues following operation even when it
+  // fails some of the operations.
+  enum ErrorBehavior { ERROR_BEHAVIOR_TERMINATE, ERROR_BEHAVIOR_CONTINUE };
+
   // Used for progress update callback for Copy().
   //
   // BEGIN_COPY_ENTRY is fired for each copy creation beginning (for both
@@ -199,6 +200,7 @@ class FileSystemOperation {
     BEGIN_COPY_ENTRY,
     END_COPY_ENTRY,
     PROGRESS,
+    ERROR
   };
   typedef base::Callback<void(CopyProgressType type,
                               const FileSystemURL& source_url,
@@ -251,6 +253,8 @@ class FileSystemOperation {
   // |dest_path| as needed.
   // |option| specifies the minor behavior of Copy(). See CopyOrMoveOption's
   // comment for details.
+  // |error_behavior| specifies whether this continues operation after it
+  // failed an operation or not.
   // |progress_callback| is periodically called to report the progress
   // update. See also the comment of CopyProgressCallback. This callback is
   // optional.
@@ -266,6 +270,7 @@ class FileSystemOperation {
   virtual void Copy(const FileSystemURL& src_path,
                     const FileSystemURL& dest_path,
                     CopyOrMoveOption option,
+                    const ErrorBehavior error_behavior,
                     const CopyProgressCallback& progress_callback,
                     const StatusCallback& callback) = 0;