Jason Simmons c8e4c6984b
Avoid copying the contents of large platform message responses (#4947)
Assets are loaded via platform messages, and currently asset payloads are
being copied into Dart typed data buffers.  This change uses external
typed data objects that wrap the existing buffer if copying would be
expensive.

See https://github.com/flutter/flutter/issues/16291
2018-04-10 12:15:58 -07:00
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Flutter Engine

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