[test] Remove v8-testing.h

Deprecation was prepared by:
https://crrev.com/c/1899774

Bug: v8:9941
Change-Id: Idf236c2ebfc23e26dcb264747721d7c18986b6b8
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1955552Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#65396}

BUILD.gn

@@ -1959,7 +1959,6 @@ v8_source_set("v8_base_without_compiler") {
     "include/v8-internal.h",
     "include/v8-platform.h",
     "include/v8-profiler.h",
-    "include/v8-testing.h",
     "include/v8-util.h",
     "include/v8-wasm-trap-handler-posix.h",
     "include/v8.h",

include/v8-testing.h

-// Copyright 2010 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef V8_V8_TEST_H_
-#define V8_V8_TEST_H_
-
-#include "v8.h"  // NOLINT(build/include)
-
-/**
- * Testing support for the V8 JavaScript engine.
- */
-namespace v8 {
-class V8_EXPORT Testing {
- public:
-  enum V8_DEPRECATED("Don't use this (d8-specific testing logic).") StressType {
-    kStressTypeOpt,
-    kStressTypeDeopt
-  };
-
-  /**
-   * Set the type of stressing to do. The default if not set is kStressTypeOpt.
-   */
-  V8_DEPRECATED("Don't use this (d8-specific testing logic).")
-  static void SetStressRunType(StressType type);
-
-  /**
-   * Get the number of runs of a given test that is required to get the full
-   * stress coverage.
-   */
-  V8_DEPRECATED("Don't use this (d8-specific testing logic).")
-  static int GetStressRuns();
-
-  /**
-   * Indicate the number of the run which is about to start. The value of run
-   * should be between 0 and one less than the result from GetStressRuns()
-   */
-  V8_DEPRECATED("Don't use this (d8-specific testing logic).")
-  static void PrepareStressRun(int run);
-
-  /**
-   * Force deoptimization of all functions.
-   */
-  V8_DEPRECATED("Don't use this (d8-specific testing logic).")
-  static void DeoptimizeAll(Isolate* isolate);
-};
-
-}  // namespace v8
-
-#endif  // V8_V8_TEST_H_

src/api/api.cc

@@ -14,7 +14,6 @@
 #include "src/api/api-inl.h"
 
 #include "include/v8-profiler.h"
-#include "include/v8-testing.h"
 #include "include/v8-util.h"
 #include "src/api/api-natives.h"
 #include "src/base/functional.h"
@@ -10720,45 +10719,6 @@ void HeapProfiler::RemoveBuildEmbedderGraphCallback(
       callback, data);
 }
 
-// Deprecated.
-void Testing::SetStressRunType(Testing::StressType type) {
-}
-
-// Deprecated.
-int Testing::GetStressRuns() {
-  if (internal::FLAG_stress_runs != 0) return internal::FLAG_stress_runs;
-#ifdef DEBUG
-  // In debug mode the code runs much slower so stressing will only make two
-  // runs.
-  return 2;
-#else
-  return 5;
-#endif
-}
-
-// Deprecated.
-void Testing::PrepareStressRun(int run) {
-  static const char* kLazyOptimizations =
-      "--prepare-always-opt "
-      "--max-inlined-bytecode-size=999999 "
-      "--max-inlined-bytecode-size-cumulative=999999 "
-      "--noalways-opt";
-  static const char* kForcedOptimizations = "--always-opt";
-
-  if (run == GetStressRuns() - 1) {
-    V8::SetFlagsFromString(kForcedOptimizations);
-  } else {
-    V8::SetFlagsFromString(kLazyOptimizations);
-  }
-}
-
-// Deprecated.
-void Testing::DeoptimizeAll(Isolate* isolate) {
-  i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
-  i::HandleScope scope(i_isolate);
-  i::Deoptimizer::DeoptimizeAll(i_isolate);
-}
-
 void EmbedderHeapTracer::FinalizeTracing() {
   if (isolate_) {
     i::Isolate* isolate = reinterpret_cast<i::Isolate*>(isolate_);

src/api/api.h

@@ -7,7 +7,6 @@
 
 #include <memory>
 
-#include "include/v8-testing.h"
 #include "src/execution/isolate.h"
 #include "src/heap/factory.h"
 #include "src/objects/bigint.h"