[sparkplug] Batch compilation: Increase initial queue capacity

- Increase initial queue capacity from 4 to 32 to reduce growing/copying
of the queue.
- In addition remove the HandleScopes to reduce overhead.
The only caller (BytecodeBudgetInterruptFromBytecode) already
creates one.

Bug: v8:11790
Change-Id: I33cb9222706f9b349c56a7ea14142a930b8ecbf8
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2982012Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Patrick Thier <pthier@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75345}

src/baseline/baseline-batch-compiler.cc

@@ -37,7 +37,6 @@ BaselineBatchCompiler::~BaselineBatchCompiler() {
 }
 
 bool BaselineBatchCompiler::EnqueueFunction(Handle<JSFunction> function) {
-  HandleScope scope(isolate_);
   Handle<SharedFunctionInfo> shared(function->shared(), isolate_);
   // Early return if the function is compiled with baseline already or it is not
   // suitable for baseline compilation.
@@ -102,7 +101,6 @@ void BaselineBatchCompiler::EnsureQueueCapacity() {
 }
 
 void BaselineBatchCompiler::CompileBatch(Handle<JSFunction> function) {
-  HandleScope scope(isolate_);
   CodePageCollectionMemoryModificationScope batch_allocation(isolate_->heap());
   {
     IsCompiledScope is_compiled_scope(

src/baseline/baseline-batch-compiler.h

@@ -14,7 +14,7 @@ namespace baseline {
 
 class BaselineBatchCompiler {
  public:
-  static const int kInitialQueueSize = 4;
+  static const int kInitialQueueSize = 32;
 
   explicit BaselineBatchCompiler(Isolate* isolate);
   ~BaselineBatchCompiler();