Add alignment to TPH API.

Bug: v8:9533
Change-Id: I11ae71b552d2ba96606e99261092d99dc92e680f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1995266
Commit-Queue: Steve Blackburn <steveblackburn@google.com>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#65843}

src/heap/heap-inl.h

@@ -203,7 +203,7 @@ AllocationResult Heap::AllocateRaw(int size_in_bytes, AllocationType type,
     }
   } else if (AllocationType::kCode == type) {
     if (V8_ENABLE_THIRD_PARTY_HEAP_BOOL) {
-      allocation = tp_heap_->AllocateCode(size_in_bytes);
+      allocation = tp_heap_->AllocateCode(size_in_bytes, alignment);
     } else if (size_in_bytes <= code_space()->AreaSize() && !large_object) {
       allocation = code_space_->AllocateRawUnaligned(size_in_bytes);
     } else {
@@ -220,7 +220,7 @@ AllocationResult Heap::AllocateRaw(int size_in_bytes, AllocationType type,
     allocation =
         read_only_space_->AllocateRaw(size_in_bytes, alignment, origin);
   } else if (V8_ENABLE_THIRD_PARTY_HEAP_BOOL) {
-    allocation = tp_heap_->Allocate(size_in_bytes);
+    allocation = tp_heap_->Allocate(size_in_bytes, alignment);
   } else {
     UNREACHABLE();
   }

src/heap/third-party/heap-api.h

@@ -18,9 +18,10 @@ class Heap {
 
   static v8::Isolate* GetIsolate(Address address);
 
-  AllocationResult Allocate(size_t size_in_bytes);
+  AllocationResult Allocate(size_t size_in_bytes, AllocationAlignment align);
 
-  AllocationResult AllocateCode(size_t size_in_bytes);
+  AllocationResult AllocateCode(size_t size_in_bytes,
+                                AllocationAlignment align);
 
   Address GetObjectFromInnerPointer(Address inner_pointer);