git cl format the first third of the net/base directory

net/base/mock_file_stream.h

Index: net/base/mock_file_stream.h
diff --git a/net/base/mock_file_stream.h b/net/base/mock_file_stream.h
index abceb1b0ce07907b8c824fac7e80545eeaaa19da..756f608e4826e34be0421b71abd4c4cd22dd5f48 100644
--- a/net/base/mock_file_stream.h
+++ b/net/base/mock_file_stream.h
@@ -28,7 +28,8 @@ class MockFileStream : public net::FileStream {
   virtual ~MockFileStream();
 
   // FileStream methods.
-  virtual int Seek(base::File::Whence whence, int64 offset,
+  virtual int Seek(base::File::Whence whence,
+                   int64 offset,
                    const Int64CompletionCallback& callback) override;
   virtual int Read(IOBuffer* buf,
                    int buf_len,