Remove FileError interface

third_party/WebKit/Source/modules/filesystem/DOMFileSystemSync.cpp

Index: third_party/WebKit/Source/modules/filesystem/DOMFileSystemSync.cpp
diff --git a/third_party/WebKit/Source/modules/filesystem/DOMFileSystemSync.cpp b/third_party/WebKit/Source/modules/filesystem/DOMFileSystemSync.cpp
index c5f2012cc7b0b6664044ca5e80a323b8378ed42f..2ec157e157a049461481686fa512bff1c88b24f0 100644
--- a/third_party/WebKit/Source/modules/filesystem/DOMFileSystemSync.cpp
+++ b/third_party/WebKit/Source/modules/filesystem/DOMFileSystemSync.cpp
@@ -63,7 +63,7 @@ DOMFileSystemSync::~DOMFileSystemSync()
 {
 }
 
-void DOMFileSystemSync::reportError(ErrorCallback* errorCallback, FileError* fileError)
+void DOMFileSystemSync::reportError(ErrorCallback* errorCallback, FileError::ErrorCode fileError)
 {
     errorCallback->handleEvent(fileError);
 }
@@ -186,10 +186,15 @@ public:
         return new LocalErrorCallback(errorCode);
     }
 
-    void handleEvent(FileError* error) override
+    void handleEvent(DOMException* error) override
     {
-        ASSERT(error->code() != FileError::OK);
-        m_errorCode = error->code();
+        NOTREACHED();
+    }
+
+    void handleEvent(FileError::ErrorCode error) override
+    {
+        DCHECK_NE(error, FileError::OK);
+        m_errorCode = error;
     }
 
 private: