48c8ffa7f3
This is a cut of the work that Todd and I collaborated on in the reload branch. In this CL, we've dropped the loader port hacks, in other words, on stack reloading in the standalone embedder does not work yet. - [x] Support for hot reloading of isolate source code - [x] Unit test harness and many tests - [x] Service protocol and Observatory support - [x] Product build does not include support for hot reloading. R=rmacnak@google.com Review URL: https://codereview.chromium.org/1965823002 .