Prevent web apps from freezing after hot-restarts triggered from DevTools (#9125)

Author: elliette

packages/devtools_app/lib/src/screens/debugger/breakpoint_manager.dart

@@ -93,6 +93,10 @@ class BreakpointManager with DisposerMixin {
     if ([
       EventKind.kPauseStart,
       EventKind.kPausePostRequest,
+      // We check for a resume event because package:dwds sends a resume event
+      // after a hot-restart. See:
+      // https://github.com/dart-lang/webdev/issues/2610
+      EventKind.kResume,
     ].contains(pauseEventKind)) {
       await serviceConnection.serviceManager.isolateManager.resumeIsolate(
         isolateRef,

packages/devtools_app/release_notes/NEXT_RELEASE_NOTES.md

@@ -15,6 +15,9 @@ To learn more about DevTools, check out the
 
 ## General updates
 
+* Prevent web apps from remaining paused after triggering a hot-restart from
+DevTools. - [#9125](https://github.com/flutter/devtools/pull/9125)
+
 * Added a memory pressure warning that allows you to reduce the memory usage of
 DevTools in order to avoid an OOM crash. -
 [#8989](https://github.com/flutter/devtools/pull/8989),