Handle has_more correctly

public/platform/WebFileSystem.h

Index: public/platform/WebFileSystem.h
diff --git a/public/platform/WebFileSystem.h b/public/platform/WebFileSystem.h
index c89c6d1426c7d07fdf1675821043f1f9743d2cf0..aaf43a3aa4165029c7b9dd640f1997e986969ab0 100644
--- a/public/platform/WebFileSystem.h
+++ b/public/platform/WebFileSystem.h
@@ -36,6 +36,9 @@
 #include "WebFileSystemType.h"
 #include "WebURL.h"
 
+// TODO(hashimoto): Remove this #define.

[kinuko, 2014/03/06 13:13:38]

nit: "TODO(hashimoto):" -> "FIXME:" in blink

[hashimoto, 2014/03/07 05:21:26]

Done.

+#define READ_DIRECTORY_RETURNS_INT
+
 namespace blink {
 
 class WebFileWriter;
@@ -136,7 +139,7 @@ public:
     // Reads directory entries of a given directory at |path|.
     // WebFileSystemCallbacks::didReadDirectory() must be called when the operation is completed successfully.
     // WebFileSystemCallbacks::didFail() must be called otherwise.

[kinuko, 2014/03/06 13:13:38]

Can you add a comment about the return value?

[hashimoto, 2014/03/07 05:21:26]

Done.

-    virtual void readDirectory(const WebURL& path, WebFileSystemCallbacks) { BLINK_ASSERT_NOT_REACHED(); }
+    virtual int readDirectory(const WebURL& path, WebFileSystemCallbacks) { BLINK_ASSERT_NOT_REACHED(); return 0; }
 
     // Creates a WebFileWriter that can be used to write to the given file.
     // WebFileSystemCallbacks::didCreateFileWriter() must be called with the created WebFileWriter when the operation is completed successfully.
@@ -153,6 +156,10 @@ public:
     // WebFileSystemCallbacks::didFail() must be called otherwise.
     virtual void createSnapshotFileAndReadMetadata(const WebURL& path, WebFileSystemCallbacks) { BLINK_ASSERT_NOT_REACHED(); }
 
+    // Waits for additional results returned for the method call.
+    // |callbacksId| must be the value returned by the original method call.

[kinuko, 2014/03/06 13:13:38]

Can you add a comment about the return value? (Though it looks we don't use it)

[hashimoto, 2014/03/07 05:21:26]

Done.

+    virtual bool waitForAdditionalResult(int callbacksId) { BLINK_ASSERT_NOT_REACHED(); return false; }
+
 protected:
     virtual ~WebFileSystem() { }
 };