[cctest] Move most heap related tests to test/cctest/heap and clean wrt IWYU

test/cctest/heap/test-alloc.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 15 matching lines @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // TODO(jochen): Remove this after the setting is turned on globally.
 #define V8_IMMINENT_DEPRECATION_WARNINGS
 
 #include "src/v8.h"
 #include "test/cctest/cctest.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
-#include "test/cctest/heap-tester.h"
-
+#include "test/cctest/heap/heap-tester.h"
+#include "test/cctest/heap/utils-inl.h"
 
 using namespace v8::internal;
 
 
 AllocationResult v8::internal::HeapTester::AllocateAfterFailures() {
   Heap* heap = CcTest::heap();
 
   // New space.
   heap->AllocateByteArray(100).ToObjectChecked();
   heap->AllocateFixedArray(100, NOT_TENURED).ToObjectChecked();
@@ skipping 199 matching lines @@
       code_range.FreeRawMemory(blocks[index].base, blocks[index].size);
       current_allocated -= blocks[index].size;
       if (index < blocks.length() - 1) {
         blocks[index] = blocks.RemoveLast();
       } else {
         blocks.RemoveLast();
       }
     }
   }
 }