Revert "[inspector] Ensure progress of default task runners in inspector tests"

This reverts commit a7eff8cb.

Reason for revert: adds tests which fail:
https://ci.chromium.org/p/v8/builders/ci/V8%20Linux64%20TSAN%20-%20concurrent%20marking/14266

Original change's description:
> [inspector] Ensure progress of default task runners in inspector tests
> 
> Bug: v8:10747, chromium:1098187
> Change-Id: I0215d2d85db4dd1d7fa376a0982cda5658f1683d
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2315982
> Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
> Reviewed-by: Peter Marshall <petermarshall@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#69387}

TBR=ulan@chromium.org,petermarshall@chromium.org

Change-Id: I2088dc8c13416c882212316c0b7137ea28beb563
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:10747
Bug: chromium:1098187
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2354421Reviewed-by: Bill Budge <bbudge@chromium.org>
Commit-Queue: Bill Budge <bbudge@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69390}

test/inspector/inspector.status

@@ -97,29 +97,4 @@
   'cpu-profiler/console-profile-wasm': [SKIP],
 }],  # 'tsan == True'
 
-##############################################################################
-['gc_stress or gc_fuzzer or variant == stress_incremental_marking', {
-  # Skip tests that fail with GC stress: https://crbug.com/v8/10748
-  'debugger/get-possible-breakpoints': [SKIP],
-  'debugger/get-possible-breakpoints-array-literal': [SKIP],
-  'debugger/get-possible-breakpoints-master': [SKIP],
-  'debugger/regression-424142': [SKIP],
-  'debugger/return-break-locations': [SKIP],
-  'debugger/set-breakpoint-at-last-line': [SKIP],
-  'debugger/set-breakpoint-breaks-on-first-breakable-location': [SKIP],
-  'runtime-call-stats/collection': [SKIP],
-  'runtime/internal-properties-entries': [SKIP],
-  'type-profiler/type-profile-start-stop': [SKIP],
-}], # gc_stress
-
-##############################################################################
-['variant == stress_js_bg_compile_wasm_code_gc', {
-  # Skip tests that fail with GC stress: https://crbug.com/v8/10748
-  'debugger/wasm-debug-command': [SKIP],
-  'debugger/wasm-global-names': [SKIP],
-  'debugger/wasm-set-breakpoint-liftoff': [SKIP],
-  'debugger/wasm-source': [SKIP],
-  'debugger/wasm-stepping-with-skiplist': [SKIP],
-}], # stress_js_bg_compile_wasm_code_gc
-
 ]

test/inspector/task-runner.cc

@@ -4,8 +4,6 @@
 
 #include "test/inspector/task-runner.h"
 
-#include "include/libplatform/libplatform.h"
-
 #if !defined(_WIN32) && !defined(_WIN64)
 #include <unistd.h>  // NOLINT
 #endif               // !defined(_WIN32) && !defined(_WIN64)
@@ -77,11 +75,6 @@ void TaskRunner::RunMessageLoop(bool only_protocol) {
       task->Run(data_.get());
       delete task;
     }
-    // Also pump isolate's foreground task queue to ensure progress.
-    // This can be removed once https://crbug.com/v8/10747 is fixed.
-    while (v8::platform::PumpMessageLoop(v8::internal::V8::GetCurrentPlatform(),
-                                         isolate())) {
-    }
   }
 }