Revert "[test] Move cctest/test-log to unittests/logging/log-unittest"

This reverts commit f196c878.

Reason for revert: https://crbug.com/v8/12838

Original change's description:
> [test] Move cctest/test-log to unittests/logging/log-unittest
>
> Bug: v8:12781
> Change-Id: If94de50440b15f000ff2f961f2dd77abd9c90ca4
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3607389
> Reviewed-by: Leszek Swirski <leszeks@chromium.org>
> Commit-Queue: 王澳 <wangao.james@bytedance.com>
> Cr-Commit-Position: refs/heads/main@{#80209}

Bug: v8:12781
Change-Id: I9e2d9496f16581ebbb851fb207191d6b77b51c0d
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3610448
Auto-Submit: Nico Hartmann <nicohartmann@chromium.org>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#80220}

test/cctest/BUILD.gn

@@ -232,6 +232,7 @@ v8_source_set("cctest_sources") {
     "test-liveedit.cc",
     "test-local-handles.cc",
     "test-lockers.cc",
+    "test-log.cc",
     "test-managed.cc",
     "test-mementos.cc",
     "test-orderedhashtable.cc",

test/unittests/BUILD.gn

@@ -374,7 +374,6 @@ v8_source_set("unittests_sources") {
     "libplatform/task-queue-unittest.cc",
     "libplatform/worker-thread-unittest.cc",
     "logging/counters-unittest.cc",
-    "logging/log-unittest.cc",
     "numbers/bigint-unittest.cc",
     "numbers/conversions-unittest.cc",
     "objects/array-list-unittest.cc",

test/unittests/test-utils.h

@@ -137,16 +137,6 @@ class WithIsolateScopeMixin : public TMixin {
                      .ToLocalChecked());
   }
 
-  Local<Script> CompileWithOrigin(Local<String> source,
-                                  Local<String> origin_url,
-                                  bool is_shared_cross_origin) {
-    Isolate* isolate = Isolate::GetCurrent();
-    ScriptOrigin origin(isolate, origin_url, 0, 0, is_shared_cross_origin);
-    ScriptCompiler::Source script_source(source, origin);
-    return ScriptCompiler::Compile(isolate->GetCurrentContext(), &script_source)
-        .ToLocalChecked();
-  }
-
   void CollectGarbage(i::AllocationSpace space) {
     i_isolate()->heap()->CollectGarbage(space,
                                         i::GarbageCollectionReason::kTesting);