[debugger] Try to trigger pause-on-oom flakes with an extra printf

We have an issue that we can't repro locally. Enable back the
pause-on-oom tests with an extra printf with DEBUG. We will be able to
better assess the failures when they appear on the bot.

Bug: v8:10876
Change-Id: I066539c4b5865ecb6f2e589e9543e8c9ebd4830b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2474782Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70558}

src/inspector/v8-debugger.cc

@@ -502,6 +502,10 @@ size_t HeapLimitForDebugging(size_t initial_heap_limit) {
 size_t V8Debugger::nearHeapLimitCallback(void* data, size_t current_heap_limit,
                                          size_t initial_heap_limit) {
   V8Debugger* thisPtr = static_cast<V8Debugger*>(data);
+// TODO(solanes, v8:10876): Remove when bug is solved.
+#if DEBUG
+  printf("nearHeapLimitCallback\n");
+#endif
   thisPtr->m_originalHeapLimit = current_heap_limit;
   thisPtr->m_scheduledOOMBreak = true;
   v8::Local<v8::Context> context =

test/inspector/debugger/pause-on-oom-expected.txt

 Check pause on OOM
+nearHeapLimitCallback
 reason: OOM

test/inspector/debugger/pause-on-oom-extrawide-expected.txt

 Check pause on OOM
+nearHeapLimitCallback
 reason: OOM

test/inspector/debugger/pause-on-oom-wide-expected.txt

 Check pause on OOM
+nearHeapLimitCallback
 reason: OOM

test/inspector/inspector.status

@@ -22,11 +22,12 @@
 }],  # ALWAYS
 
 ##############################################################################
-['arch == x64 and mode == debug', {
-  # Flaky tests: https://crbug.com/v8/10876
-  'debugger/pause-on-oom-extrawide': [PASS, FAIL],
-  'debugger/pause-on-oom-wide': [PASS, FAIL],
-}],  # 'arch == x64 and mode == debug'
+['mode != debug', {
+  # Investigating flaky tests: https://crbug.com/v8/10876. Enable only on debug.
+  'debugger/pause-on-oom': [SKIP],
+  'debugger/pause-on-oom-wide': [SKIP],
+  'debugger/pause-on-oom-extrawide': [SKIP],
+}],  # 'mode != debug'
 
 ##############################################################################
 ['system == android', {