Attach snapshot data blob to the isolate.

test/cctest/test-heap.cc

Index: test/cctest/test-heap.cc
diff --git a/test/cctest/test-heap.cc b/test/cctest/test-heap.cc
index 719a6c76b73cefe306cbbd2f93681443ccedf9c7..b5e091fc42d95e4ee8cc5ef4d8dc6c293cceb1da 100644
--- a/test/cctest/test-heap.cc
+++ b/test/cctest/test-heap.cc
@@ -5073,10 +5073,10 @@ TEST(Regress442710) {
 
 
 TEST(NumberStringCacheSize) {
-  if (!Snapshot::HaveASnapshotToStartFrom()) return;
   // Test that the number-string cache has not been resized in the snapshot.
   CcTest::InitializeVM();
   Isolate* isolate = CcTest::i_isolate();
+  if (!isolate->snapshot_available()) return;
   Heap* heap = isolate->heap();
   CHECK_EQ(TestHeap::kInitialNumberStringCacheSize * 2,
            heap->number_string_cache()->length());
@@ -5093,25 +5093,3 @@ TEST(PathTracer) {
   CcTest::i_isolate()->heap()->TracePathToObject(*o);
 }
 #endif  // DEBUG
-
-
-TEST(FirstPageFitsStartup) {
-  // Test that the first page sizes provided by the default snapshot are large
-  // enough to fit everything right after startup and creating one context.
-  // If this test fails, we are allocating too much aside from deserialization.
-  if (!Snapshot::HaveASnapshotToStartFrom()) return;
-  if (Snapshot::EmbedsScript()) return;
-  CcTest::InitializeVM();
-  LocalContext env;
-  PagedSpaces spaces(CcTest::heap());
-  for (PagedSpace* s = spaces.next(); s != NULL; s = spaces.next()) {
-    uint32_t default_size = s->AreaSize();
-    uint32_t reduced_size = Snapshot::SizeOfFirstPage(s->identity());
-    if (reduced_size == default_size) continue;
-    int counter = 0;
-    Page* page = NULL;
-    for (PageIterator it(s); it.has_next(); page = it.next()) counter++;
-    CHECK_LE(counter, 1);
-    CHECK(static_cast<uint32_t>(page->area_size()) == reduced_size);
-  }
-}