Rename Blink constants generated from IDL files.

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 59c21362a4967e98e1a4318dab6c109c917386f2..284db5e7e7944b49cae235c50b43e70d99c35a0e 100644
--- a/third_party/WebKit/Source/modules/filesystem/DOMFileSystemSync.cpp
+++ b/third_party/WebKit/Source/modules/filesystem/DOMFileSystemSync.cpp
@@ -190,7 +190,7 @@ public:
 
     void invoke(FileError::ErrorCode error) override
     {
-        DCHECK_NE(error, FileError::OK);
+        DCHECK_NE(error, FileError::kOK);
         m_errorCode = error;
     }
 
@@ -211,14 +211,14 @@ FileWriterSync* DOMFileSystemSync::createWriter(const FileEntrySync* fileEntry,
 
     FileWriterSync* fileWriter = FileWriterSync::create();
     ReceiveFileWriterCallback* successCallback = ReceiveFileWriterCallback::create();
-    FileError::ErrorCode errorCode = FileError::OK;
+    FileError::ErrorCode errorCode = FileError::kOK;
     LocalErrorCallback* errorCallback = LocalErrorCallback::create(errorCode);
 
     std::unique_ptr<AsyncFileSystemCallbacks> callbacks = FileWriterBaseCallbacks::create(fileWriter, successCallback, errorCallback, m_context);
     callbacks->setShouldBlockUntilCompletion(true);
 
     fileSystem()->createFileWriter(createFileSystemURL(fileEntry), fileWriter, std::move(callbacks));
-    if (errorCode != FileError::OK) {
+    if (errorCode != FileError::kOK) {
         FileError::throwDOMException(exceptionState, errorCode);
         return 0;
     }