Upgrade Blink to milliseconds-based last modified filetimes, part 5.

Source/platform/exported/WebFileSystemCallbacks.cpp

Index: Source/platform/exported/WebFileSystemCallbacks.cpp
diff --git a/Source/platform/exported/WebFileSystemCallbacks.cpp b/Source/platform/exported/WebFileSystemCallbacks.cpp
index e50721fdad155724e77a350cfbe0130de692c814..c57ef23aa96c8422056d0c2898822411a248d566 100644
--- a/Source/platform/exported/WebFileSystemCallbacks.cpp
+++ b/Source/platform/exported/WebFileSystemCallbacks.cpp
@@ -84,7 +84,7 @@ void WebFileSystemCallbacks::didReadMetadata(const WebFileInfo& webFileInfo)
 {
     ASSERT(!m_private.isNull());
     FileMetadata fileMetadata;
-    fileMetadata.modificationTimeMS = webFileInfo.modificationTimeMS;
+    fileMetadata.modificationTime = webFileInfo.modificationTime;
     fileMetadata.length = webFileInfo.length;
     fileMetadata.type = static_cast<FileMetadata::Type>(webFileInfo.type);
     fileMetadata.platformPath = webFileInfo.platformPath;
@@ -102,7 +102,7 @@ void WebFileSystemCallbacks::didCreateSnapshotFile(const WebFileInfo& webFileInf
     RefPtr<BlobDataHandle> snapshotBlob = BlobDataHandle::create(blobData.release(), webFileInfo.length);
 
     FileMetadata fileMetadata;
-    fileMetadata.modificationTimeMS = webFileInfo.modificationTimeMS;
+    fileMetadata.modificationTime = webFileInfo.modificationTime;
     fileMetadata.length = webFileInfo.length;
     fileMetadata.type = static_cast<FileMetadata::Type>(webFileInfo.type);
     fileMetadata.platformPath = webFileInfo.platformPath;