Cleanup blink:: prefix usage in Source/core/modules/[battery/*.cpp to indexeddb/*.cpp]

Source/modules/filesystem/FileSystemCallbacks.cpp

Index: Source/modules/filesystem/FileSystemCallbacks.cpp
diff --git a/Source/modules/filesystem/FileSystemCallbacks.cpp b/Source/modules/filesystem/FileSystemCallbacks.cpp
index 787fa220b4d9cf3a0b3de6bf3d43a9ecbb18730e..19d35e0adfb6e63932fb1976cbb218c4b1c602ee 100644
--- a/Source/modules/filesystem/FileSystemCallbacks.cpp
+++ b/Source/modules/filesystem/FileSystemCallbacks.cpp
@@ -272,7 +272,7 @@ FileWriterBaseCallbacks::FileWriterBaseCallbacks(PassRefPtrWillBeRawPtr<FileWrit
 {
 }
 
-void FileWriterBaseCallbacks::didCreateFileWriter(PassOwnPtr<blink::WebFileWriter> fileWriter, long long length)
+void FileWriterBaseCallbacks::didCreateFileWriter(PassOwnPtr<WebFileWriter> fileWriter, long long length)
 {
     m_fileWriter->initialize(fileWriter, length);
     if (m_successCallback)
@@ -338,4 +338,4 @@ void VoidCallbacks::didSucceed()
         handleEventOrScheduleCallback(m_successCallback.release());
 }
 
-} // namespace
+} // namespace blink